Label number
First name
Today's Date
Date of birth of young person
At birth, you were registered as (gender as registered on your birth certificate)
How do you see yourself? I see myself as a...
I see myself differently, namely...
How often do you live in this family (= the family to which the invitation letter was sent)?
In which direction do you take lessons according to the old name?
Which direction?
In which finality do you take lessons according to the new name (in use since September 2019)?
In which field of study do you take lessons?
What other field of study?
Nationality at birth: Belgian
Nationality at birth: Dutch
Nationality at birth: French
Nationality at birth: German
Nationality at birth: Italian
Nationality at birth: Spanish
Nationality at birth: Portuguese
Nationality at birth: Polish
Nationality at birth: Turkish
Nationality at birth: Moroccan
Nationality at birth: I don't know
Nationality at birth: Other country
Which other country?
Current nationality: Belgian
Current nationality: Dutch
Current nationality: French
Current nationality: German
Current nationality: Italian
Current Nationality: Spanish
Current nationality: Portuguese
Current nationality: Polish
Current Nationality: Turkish
Current nationality: Moroccan
Current nationality: I don't know
Current nationality: Other country
Which other country?
How many times a week are you actively exercising so that it makes you sweat or out of breath?
How often do you spend your free time outside in nature or on sites with fallow land (e.g. youth movement, sports, working in the garden,...)?
Do you regularly come into contact with one of the following products? Chemical products (laboratory, pesticide,...)?
Do you regularly come into contact with one of the following products? Lubricants (working on your bike, the car, horse's saddle,...)
Do you regularly come into contact with one of the following products? Soil particles
Do you regularly come into contact with one of the following products? None of the above
How often did you use aerosols or other products in the past month to make carpets, clothing, shoes, tent or backpack water and dirt repellent?
How often did you use paint, varnish, lacquer or mordant in the past month?
How often did you use floor polish for furniture or parquet in the past month?
How often did you use polishing or lubricant as a hobby in the past month?
How often did you consume food or drinks from containers with a water and grease repellent layer in the past month?
How often did you use water-repellent clothing in the past month?
How often did you use sun milk, body lotion or hand cream in the past month?
How often did you use mascara or nail polish in the past month?
How often did you use products containing PTFE in the past month?
How often did you eat eggs in the past 12 months?
How often did you eat organ meats (kidneys, liver) in the past 12 months?
How often did you eat meat with hot meals in the past 12 months?
How often did you eat charcuterie (cold cuts as a sandwich spread – e.g. salami, luncheon meat,...) in the past 12 months?
How often did you eat canned fish in the past 12 months?
How often did you eat smoked fish (smoked salmon, halibut,...) in the past 12 months?
How often did you eat fish with a (hot) meal (cod, fish sticks, sushi,...) in the past 12 months?
How often did you eat shellfish (mussels, oysters) in the past 12 months?
How often did you eat potatoes in the past 12 months?
How often did you eat vegetables in the past 12 months?
How often did you eat dried fruit (raisins, apricots) in the past 12 months?
How often did you eat fruit in the past 12 months?
How often did you eat bread in the past 12 months?
How often did you eat cereal and muesli in the past 12 months?
How often did you eat nuts and seeds in the past 12 months?
How often did you eat cheese in the past 12 months?
How often did you eat yogurt in the past 12 months?
How often did you eat milk and milk products in the past 12 months?
How often did you eat ice cream (ice cream, water ice) in the past 12 months?
How often did you eat chocolate in the past 12 months?
How often did you eat tofu (meat substitute) in the past 12 months?
How often did you eat other meat substitutes in the past 12 months?
How often did you eat fast food or takeaway food (e.g. hamburgers, fries, pizza,...) in the past 12 months?
How often did you eat packaged store-bought ready-to-eat meals in the past 12 months?
How often did you eat meals prepared or heated in the microwave in the past 12 months?
Are there certain eating habits that you often practice?
What other eating habit?
What would you say about your height growth?
What would you say about the growth of your body hair (hair in any other place except on your head, e.g. under the arms)?
Have you noticed any changes in your skin, e.g. pimples?
Has your voice already changed (e.g. heavier, skipping/breaking of the voice)?
Is hair starting to grow on your face?
Are your breasts already starting to grow?
Are you already menstruating?
Do you know in which month and year you first menstruated?
What month did you first menstruate?
What year did you first menstruate?
What applies to your menstrual cycle?
Have you had any wheezing or whistling in your chest at any time in the last 12 months?
Were you short of breath when this wheezing sound was present?
Have you had this wheezing or whistling when you didn't have a cold?
Have you woken up at any point in the last 12 months with a feeling of tightness in the chest (wheezing)?
Have you woken up at any point in the last 12 months due to shortness of breath?
Have you woken up at any point in the last 12 months due to a coughing fit?
Have you ever had asthma diagnosed by a doctor?
Have you had an asthma attack in the last 12 months?
Have you taken medication for asthma in the last 12 months? (puffers, aerosols, tablets, ...)
If so, which ones?
Did your biological father, mother or one of your biological siblings ever have asthma?
Do you have any form of nasal allergy, including hay fever?
Have you suffered from any form of nasal allergy in the last 12 months, including hay fever?
Have you taken medication for hay fever or nasal allergy in the last 12 months? (e.g. nasal sprays, tablets, drops, ...)
If so, which ones?
Did your biological father, mother or one of your biological siblings ever have hay fever or nasal allergy?
Have you ever had a problem with sneezing, runny or stuffy nose, where it was NOT due to a cold or illness (such as the flu or COVID-19)?
Have you had a problem with sneezing, runny or stuffy in the last 12 months, where it was NOT due to a cold or illness (such as the flu or COVID-19)?
Have you ever suffered from eczema?
Have you suffered from eczema (skin rash: red skin, scabs, fluid blisters, etc.) in the last 12 months?
Have you taken any medication for eczema in the last 12 months?
If so, which ones?
Did or does your biological father, mother or one of your biological siblings suffer from eczema?
Have you ever had chest tightness or wheezing from being at school?
Have you ever gotten rid of a pet because (you thought you) were allergic to it?
Have you had any kind of allergy, itching or rash in the last 5 years after contact with foods (peanuts, chocolate, strawberries, tomatoes,...)?
Have you had any form of allergy, itching or rash after contact with metal (piercing, earring, metal jewelry,...) in the last 5 years?
Have you had any form of allergy, itching or rash in the last 5 years after contact with insect bites (strong swelling when bitten by e.g. mosquitoes, wasps)?
Have you had any form of allergy, itching or skin rash in the last 5 years after contact with (domestic) animals (cat, dog, rabbit, horse,...)?
Have you had any form of allergy, itching or rash in the last 5 years after contact with dust mites?
Have you had any form of allergy, itching or rash after contact with trees in the last 5 years (e.g. pollen from the birch, ash)?
Have you had any kind of allergy, itching or rash in the last 5 years after contact with grasses?
Have you had any form of allergy, itching or skin rash in the last 5 years after contact with medicines?
Have you had any form of allergy, itching or rash in the last 5 years after contact with care products (make-up, creams, perfume,...)?
Have you had any form of allergy, itching or skin rash in the last 5 years after contact with household and maintenance products (dishwashing liquid, washing powder, fabric softener, soap,...)?
Are you taking medication for thyroid disease?
Do you take medication for diabetes?
Do you take medication for kidney disease?
Are you taking medication for ADHD?
Do you take medication for allergies?
Are you taking medication for other chronic conditions or disorders?
What other condition/disorder?
What medicines for other condition/disorder?
Which drugs for thyroid disease?
What drugs for diabetes?
What drugs for kidney disease?
What drugs for ADHD?
Which medicines for allergy?
Before participating in this study, had you ever heard about the pollutants PFAS or PFOS?
How did you already receive information? Friends and family
How did you already receive information? Media (TV, radio, newspapers, news sites)
How did you already receive information? Social media (Twitter, TikTok, Facebook, etc.)
How did you already receive information? School
How did you already receive information? Municipality
How did you already receive information? Citizens' movements/action groups
How did you already receive information? Other
By what other way?
Do you know someone from your family or circle of friends who has already had their blood tested for the presence of PFAS or PFOS?
Are you worried about the PFAS pollution in your living environment?
What are you most worried about: my own health
What you are most worried about: the health of others
What are you most worried about: the environment and nature in my area
What are you most worried about: my own animals
What are you most worried about: the image of my municipality or neighborhood in which I live
What are you most worried about: other
What other?
How do you feel about PFAS pollution in your living environment?
Do you or members of your family have health problems that you wonder if they are related to PFAS?
What health complaints: being sick often
What health complaints: respiratory complaints, coughing
What health complaints: asthma
What health complaints: headache, migraine
What health complaints: allergy
What health complaints: fatigue
What health complaints: skin conditions
What health complaints: digestive problems, stomach complaints
What health complaints: diabetes
What health complaints: thyroid problems
What health complaints: nausea
What health complaints: cancer
What health complaints: insomnia
What health complaints: fertility problems
What health complaints: blood pressure problems
Which health complaints: concentration problems
What health complaints: kidney problems
What health complaints: high cholesterol
What health complaints: overweight
What health complaints: liver complaints
What health complaints: other
What other health complaints?
Are you worried about other environmental problems in your living environment? (Other than the PFAS pollution)
What environmental problems in your living environment are you worried about? (Other than the PFAS pollution)
To what extent do you agree/disagree with the statement: air, water and soil in Flanders are highly polluted
To what extent do you agree/disagree with the statement: most environmental problems in Flanders are exaggerated
To what extent do you agree/disagree with statement: I rarely worry about environmental pollution in Flanders
To what extent do you agree/disagree with statement: All that talk about environmental pollution in Flanders makes people more worried than necessary
To what extent do you agree/disagree with statement: We are too concerned about the future of the environment and too little about prices and employment
To what extent do you agree/disagree with statement: The state of the environment is a threat to my health
To what extent do you agree/disagree with statement: People are too worried that progress will harm the environment
To what extent do you agree/disagree with statement: As an individual you can contribute to the protection of the environment
Indicate who you trust most to inform you about environmental problems in your living environment: the municipality
Indicate who you trust most to inform you about environmental problems in your living environment: the Flemish government
Indicate who you trust most to inform you about environmental problems in your living environment: the province
Indicate who you trust most to inform you about environmental problems in your living environment: Federal government
Indicate who you trust most to inform you about environmental problems in your environment: European or international institutions
Indicate who you trust most to inform you about environmental problems in your environment: the media
Indicate who you trust most to inform you about environmental problems in your living environment: social media
Indicate who you trust most to inform you about environmental problems in your environment: scientists
Indicate who you trust most to inform you about environmental problems in your living environment: your GP
Indicate who you trust most to inform you about environmental problems in your environment: companies and industry
Indicate who you trust most to inform you about environmental problems in your living environment: environmental organizations
Indicate who you trust most to inform you about environmental problems in your living environment: citizen movements/action groups
Indicate who you trust most to inform you about environmental problems in your living environment: school/teachers
Indicate who you trust most to inform you about environmental problems in your living environment: political parties
Indicate who you trust most to inform you about environmental problems in your living environment: your parents
Indicate who you trust most to inform you about environmental problems in your environment: family, friends or acquaintances
Indicate who you trust most to inform you about environmental problems in your living environment: the internet
Indicate who you trust most to inform you about environmental problems in your environment: other
What other?
What would you like to receive more information about PFAS: How PFAS can end up in my body
What would you like to receive more information about PFAS: What the consequences are for my health
What would you like to receive more information about PFAS: What the consequences are for the environment and nature in my living environment
What would you like to receive more information about PFAS: What I can do to protect my health
What would you like to receive more information about PFAS: What the government and polluters will do to improve the situation
What would you like to receive more information about PFAS: I have enough information
What would you like to receive more information about about PFAS: Other
What other information?
How would you prefer to receive that information: government websites
How would you prefer to receive that information: websites of scientists
How would you prefer to receive that information: other websites
How would you prefer to receive that information: through the media
How would you prefer to receive that information: social media
How would you prefer to receive this information: brochures by post
How would you prefer to receive that information: via e-mail
How would you prefer to receive that information: through the school
How would you prefer to receive that information: through meetings or lectures in the church
How would you prefer to receive that information: online information sessions
How would you prefer to receive that information: through your GP
How would you prefer to receive that information: through my parents
How would you prefer to receive that information: other
In what other way?
Through which other websites?
To what extent are you satisfied with the neighborhood where you live?
To what extent do you think it is possible to solve the PFAS pollution in your living environment?
To what extent are you willing to adjust your way of life in order to reduce your personal exposure to PFAS?
Do you have a message for us?
Do you have any comments/suggestions about the questionnaire?
Label number young person
First name young person
Today's Date
Date of birth of young person
What is the current address of the young person (= the contact address within this study)? Street
What is the current address of the young person (= the contact address within this study)? House number
What is the current address of the young person (= the contact address within this study)? Postal code
What is the current address of the young person (= the contact address within this study)? Municipality
Has the young person lived at addresses other than the current address since birth?
What is the address of the previous place of residence (1)? Street
What is the address of the previous place of residence (1)? House number
What is the address of the previous place of residence (1)? Postal code
What is the address of the previous place of residence (1)? Municipality
In which period (year) did the young person live at this address (1)? Lived from (year)
In which period (year) did the young person live at this address (1)? Lived up to (years)
Did the young person live at more than 1 other address?
What is the address of the previous place of residence (2)? Street
What is the address of the previous place of residence (2)? House number
What is the address of the previous place of residence (2)? Postal code
What is the address of the previous place of residence (2)? Municipality
In which period (year) did the young person live at this address (2)? Lived from (year)
In which period (year) did the young person live at this address (2)? Lived up to (years)
Has the young person lived at more than 2 other addresses?
What is the address of the previous place of residence (3)? Street
What is the address of the previous place of residence (3)? House number
What is the address of the previous place of residence (3)? Postal code
What is the address of the previous place of residence (3)? Municipality
In which period (year) did the young person live at this address (3)? Lived from (year)
In which period (year) did the young person live at this address (3)? Lived up to (years)
Has the young person lived at more than 3 other addresses?
What is the address of the previous place of residence (4)? Street
What is the address of the previous place of residence (4)? House number
What is the address of the previous place of residence (4)? Postal code
What is the address of the previous place of residence (4)? Municipality
In which period (year) did the young person live at this address (4)? Lived from (year)
In which period (year) did the young person live at this address (4)? Lived up to (years)
Has the young person lived at more than 4 other addresses?
Add the addresses here:
Where did the biological mother live at the birth of the young person?
What other address? Street
What other address? House number
What other address? Postal code
What other address? Municipality
What other address? Since (year)
Where did the biological father live at the birth of the young person?
What other address? Street
What other address? House number
What other address? Postal code
What other address? Municipality
What other address? Since (year)
Where did the biological mother live during the young person's gestational period?
What other address? Street
What other address? House number
What other address? Postal code
What other address? Municipality
What other address? Since (year)
Where did the biological father live during the young person's pregnancy period?
What other address? Street
What other address? House number
What other address? Postal code
What other address? Municipality
What other address? Since (year)
How long has the biological mother been living within the study area (5km around 3M)? Years
How long has the biological father been living within the study area (5km around 3M)? Years
How many people does your family currently consist of? Total
How many people does your family currently consist of? Number of family members under 14 years of age
How many people does your family currently consist of? Number of family members over 14 years of age
Who are the parents in this family: parent 1 (parent who completes the questionnaire)
Which other person?
Who are the parents in this family: parent 2 (partner of the parent filling out the questionnaire)
Which other person?
What is the highest degree or degree you have earned (parent 1)?
What other diploma?
What is the highest diploma or degree that your partner has obtained (parent 2)?
What other diploma?
What was your nationality at birth? Belgian
What was your nationality at birth? English
What was your nationality at birth? French
What was your nationality at birth? German
What was your nationality at birth? Italian
What was your nationality at birth? Spanish
What was your nationality at birth? Portuguese
What was your nationality at birth? Polish
What was your nationality at birth? Turkish
What was your nationality at birth? Moroccan
What was your nationality at birth? I don't know
What was your nationality at birth? Another nationality
What other nationality?
What was your partner's nationality at birth? Belgian
What was your partner's nationality at birth? English
What was your partner's nationality at birth? French
What was your partner's nationality at birth? German
What was your partner's nationality at birth? Italian
What was your partner's nationality at birth? Spanish
What was your partner's nationality at birth? Portuguese
What was your partner's nationality at birth? Polish
What was your partner's nationality at birth? Turkish
What was your partner's nationality at birth? Moroccan
What was your partner's nationality at birth? I don't know
What was your partner's nationality at birth? Another nationality
What other nationality?
Can your family live on the monthly disposable income?
In which category does your family's total net monthly income fall? (wages, family allowances, benefits,... included)
Does a family member of the young person currently work at 3M?
Which family member (or family members)?
Since when?
Did a family member of the young person work at 3M in the past?
Which family member (or family members)?
Until when? (year)
How long in total? (years)
Do you have knowledge about the course of the pregnancy of the biological mother of the young person?
Do you know how much weight the biological mother has gained during the young person's pregnancy?
How many kilograms approximately?
Were there any complications during pregnancy that necessitated hospitalization or rest?
What complications were these about? Preeclampsia
What complications were these about? High blood pressure in the mother
What complications were these about? Gestational diabetes
What complications were these about? Physical overload (fatigue, persistent muscle pain,...)
What complications were these about? Stress in the mother
What complications were these about? Other
What other complication(s)?
Did the birth mother have to take antibiotics during pregnancy?
Did the birth mother smoke during pregnancy?
How many cigarettes did the biological mother smoke on average per day?
Did the biological mother drink alcoholic beverages (wine, aperitif, liqueur, beer, spirits) during pregnancy?
How often did the birth mother drink alcohol?
Do you know the age of the biological mother at the birth of the young person?
What was the age of the birth mother during childbirth?
The younger one is from the biological mother the... child
How many children?
Were there complications during childbirth that made the young person need acute care shortly after birth?
What complication(s)?
Do you know the birth weight of the young person?
What was the birth weight of the young person? Kg
Do you know the birth length of the young person?
What was the birth length of the young person? cm
Was the young person born prematurely (before 37 weeks of gestation)?
What was the duration of the pregnancy? In weeks
Was the young person breastfed as a baby?
Did the biological mother have to take antibiotics during breastfeeding?
Has the young person had a serious lung or respiratory infection during the first 2 years of life? E.g. RSV, pneumonia, not false croup
Did the young person usually receive paracetamol as a fever reducer during the first 2 years of life? E.g. Perdolan, Dafalgan, Daro
Did the young person receive antibiotics during the first 2 years of life?
Has the young person been seriously ill for a long time in the first 2 years of life? E.g. reflux, RSV, kidney problems,...
Which disease?
Was there regular smoking in the presence of the young person during the first 2 years of life?
Did the young person regularly go to childcare, crèche or childminder during the first 2 years of life?
Did the young person regularly go to an indoor swimming pool during the first 2 years of life?
How often has the young person had a fever during the last 12 months?
Has the young person had any of the following infections in the last 12 months? Throat infection
Has the young person had any of the following infections in the last 12 months? Ear infection
Has the young person had any of the following infections in the last 12 months? Respiratory infection (bronchitis)
Has the young person had any of the following infections in the last 12 months? Lung infection
Has the young person had any of the following infections in the last 12 months? Bladder infection
Has the young person had any of the following infections in the last 12 months? Stomach or intestinal infection
Has the young person had any of the following infections in the last 12 months? Laryngitis or laryngeal infection
Has the young person had any of the following infections in the last 12 months? Nasal/sinus infection
Has the young person had any of the following infections in the last 12 months? COVID-19
Has the young person had any of the following infections in the last 12 months? Other infection
What other infection?
Has the young person ever been hospitalized due to an infection? Throat infection
Has the young person ever been hospitalized due to an infection? Ear infection
Has the young person ever been hospitalized due to an infection? Respiratory infection (bronchitis)
Has the young person ever been hospitalized due to an infection? Lung infection
Has the young person ever been hospitalized due to an infection? Bladder infection
Has the young person ever been hospitalized due to an infection? Stomach or intestinal infection
Has the young person ever been hospitalized due to an infection? Laryngitis or laryngeal infection
Has the young person ever been hospitalized due to an infection? Nasal/sinus infection
Has the young person ever been hospitalized due to an infection? COVID-19
Has the young person ever been hospitalized due to an infection? Another infection
What other infection?
Did the biological father, mother or one of the biological siblings of the young person ever have asthma?
Did or does the biological father, mother or one of the biological brothers/sisters of the young person ever have hay fever or nasal allergy?
Did or does the biological father, mother or one of the biological siblings of the young person ever suffer from eczema?
Do the following chronic diseases occur in the biological family (parents, brothers or sisters)? Type 1 diabetes (diabetes)
Do the following chronic diseases occur in the biological family (parents, brothers or sisters)? Type 2 diabetes (adult-onset diabetes)
Do the following chronic diseases occur in the biological family (parents, brothers or sisters)? Thyroid problems
Do the following chronic diseases occur in the biological family (parents, brothers or sisters)? Kidney problems
Do the following chronic diseases occur in the biological family (parents, brothers or sisters)? Cardiovascular disease, high blood pressure
Do the following chronic diseases occur in the biological family (parents, brothers or sisters)? Other
What other?
Has anyone in the young person's biological family (parents, siblings) been diagnosed with ADHD?
What is the year of construction of your home?
Does the family own this property?
Is smoking allowed in your home?
Are there pets inside your home?
Which pets are present in your home? Cat(s)
Which pets are present in your home? Dog(s)
Which pets are present in your home? Others
What other pets?
Do you use a stove or fireplace in your home?
Which stove or fireplace? stove on wood pellets
Which stove or fireplace? oil stove/oil heater
Stove/fireplace: gas stove (no decorative fireplaces)
Which stove or fireplace? wood stove
Which stove or fireplace? Fireplace
Which stove or fireplace? coal stove
Which stove or fireplace? Other
What other stove?
Has there ever been a fire in your home in which extinguishing foam or extinguishing powder was used?
Have renovation or embellishment works been carried out in your home in the past 12 months? Think of painting, flooring, insulation, use of sealing products such as silicone or mastic,...
Which renovation or embellishment works?
Have new curtains, carpets, furniture with textile or leather, mattresses or wallpaper been installed in the past 12 months?
What material does the water pipe in your home consist of? Lead
What material does the water pipe in your home consist of? Copper
What material does the water pipe in your home consist of? Plastic
What material does the water pipe in your home consist of? Other
What material does the water pipe in your home consist of? I don't know
What other material?
How does the air exchange in the living room take place? Manual (opening windows and doors)
How does the air exchange in the living room take place? Grilles in windows or doors
How does the air exchange in the living room take place? Mechanical
How does the ventilation in the young person's bedroom take place?  Manual (opening windows and doors)
How does the ventilation in the young person's bedroom take place? Grilles in windows and doors
How does the ventilation in the young person's bedroom take place? Mechanical
How often is the mechanical ventilation system on in the living room? Months/year
How often is the mechanical ventilation system on in the young person's bedroom? Months/year
How often is the living room ventilated by opening windows and/or exterior doors?
How often is the young person's bedroom ventilated by opening windows and/or outside doors?
What type of floor covering is found in the living room? Vinyl or PVC floor
What type of floor covering is found in the living room? Linoleum
What type of floor covering is found in the living room? Carpets or carpets
What type of floor covering is found in the living room? Cork
What type of floor covering is found in the living room? Wooden parquet
What type of floor covering is found in the living room? Laminate parquet
What type of floor covering is found in the living room? Epoxy
What type of floor covering is found in the living room? Concrete
What type of floor covering is found in the living room? Tiles, natural stone or ceramic parquet
What type of floor covering is found in the living room? Other
What type of floor covering is found in the living room? I don't know
What other floor covering?
What type of flooring is found in the youngster's bedroom? Vinyl or PVC floor
What type of flooring is found in the youngster's bedroom? Linoleum
What type of flooring is found in the youngster's bedroom? Carpets or carpets
What type of flooring is found in the youngster's bedroom? Cork
What type of flooring is found in the youngster's bedroom? Wooden parquet
What type of flooring is found in the youngster's bedroom? Laminate parquet
What type of flooring is found in the youngster's bedroom? Epoxy
What type of flooring is found in the youngster's bedroom? Concrete
What type of flooring is found in the youngster's bedroom? Tiles, natural stone or ceramic parquet
What type of flooring is found in the youngster's bedroom? Other
What type of flooring is found in the youngster's bedroom? I don't know
What other floor coverings?
What type of wallcovering is found in the living room? Dyed
What type of wallcovering is found in the living room? Wallpaper
What type of wallcovering is found in the living room? Fibreboards (e.g. MDF, OSB)
What type of wallcovering is found in the living room? Wood panels
What type of wallcovering is found in the living room? Other
What type of wallcovering is found in the living room? I don't know
What other wall coverings?
Is the paint in the living room washable?
Is the wallpaper in the living room washable?
What type of wallcovering is found in the youngster's bedroom? Dyed
What type of wallcovering is found in the youngster's bedroom? Wallpaper
What type of wallcovering is found in the youngster's bedroom? Fibreboards (e.g. MDF, OSB)
What type of wallcovering is found in the youngster's bedroom? Wood panels
What type of wallcovering is found in the youngster's bedroom? Other
What type of wallcovering is found in the youngster's bedroom? I don't know
What other wall coverings?
Is the paint in the young person's bedroom washable?
Is the wallpaper in the young person's bedroom washable?
Is the following decoration present in the living room? Curtains in textile or leather
Is the following decoration present in the living room? Sofa/sofa in textile or leather
Is the following decoration present in the living room? Chairs with textile or leather
Is the following decoration present in the young person's bedroom? Curtains in textile or leather
Is the following decoration present in the young person's bedroom? Sofa/sofa in textile or leather
Is the following decoration present in the young person's bedroom? Chairs with textile or leather
How often are the following products used indoors: aroma diffusers
How often are the following products used indoors: insect killers
How often are the following products used indoors: Flea anti-flea medicine for pets
How often are the following products used indoors: anti-fungal products
How often are the following products used indoors: cleaning products with bleach or ammonia
How often are the following products used indoors: aerosols or sprays for the treatment of carpets, seats, clothing or shoes?
How often are the following products used indoors: paint
How often are the following products used indoors: varnish, lacquer or stain
How often are the following products used indoors: polishing agent
How often are the following products used indoors: sealants
Do you use nonstick cookware (cooking pots, pans, bakeware, bread machine,...)?
Does the non-stick coating have a label 'PFAS-free' or 'without PFAS'?
How often do you use non-stick cookware (pots, pans, baking pans, bread machine,...) to prepare food?
How often do you use plastic cookware in the microwave to prepare food?
Do you have a vegetable garden with fruit or vegetables?
Do you have a compost heap in the garden?
If you had a compost heap now or in the past, do you use the compost in the vegetable garden?
Do you have a groundwater well?
How deep is this groundwater well?
Do you use the water from the groundwater well for: drinking
Do you use the water from the groundwater well for: Preparing (hot) meals (tea, coffee, soup,...)
Do you use the water from the groundwater well for: Food preparation (cooking, washing vegetables,...)
Do you use the water from the groundwater well for: dishwasher
Do you use the water from the groundwater well for: Personal hygiene (bathing, use at the sink, brushing teeth,...)
Do you use the water from the groundwater well for: Watering the vegetable garden
Do you use the water from the groundwater well for: Other
What other?
Do you know the website www.gezonduiteigengrond.be?
To which account number can the reward be deposited? Account number
To which account number can the reward be deposited? In the name of
Do you have any comments or suggestions about this questionnaire?
Label number young person
First name young person
Today's Date
Date of birth of young person
Does the younger eat eggs from their own chickens?
Do the young people eat eggs that you get or buy from neighbours, friends, family or local growers who live in the demarcated zone?
If you get/received or buy/bought eggs from others in the demarcated zone, what mainly applies?
How often did the eggs that the young person ate during the past 3 months come from your own chickens or were received/bought from neighbours, friends, family or local growers who live in the demarcated zone?
How many eggs from chickens in the demarcated zone does the young person eat on average per week (including preparations such as cake and mayonnaise)? Eggs/week
How often did the young person eat from their own garden during the past 3 months: small fruit (strawberries, berries)
How often did the young person eat fruit from their own garden during the past 3 months: orchard fruit (apples, presses, cherries)?
How often did the young person eat from their own garden during the past 3 months: vegetables (total)
How often did the young person eat potatoes from their own garden during the past 3 months?
How often did the young person eat from their own garden during the past 3 months: lettuce
How often did the young person eat from their own garden during the past 3 months: spinach
How often did the young person eat from their own garden during the past 3 months: other leafy vegetables (endive, parsley,...)
How often did the young person eat cabbages (cauliflower, red cabbage, white cabbage, savoy cabbage, Brussels sprouts,...) during the past 3 months?
How often did the young person eat from their own garden during the past 3 months: tomatoes
How often did the young person eat from their own garden during the past 3 months: cucumbers
How often did the young person eat from their own garden during the past 3 months: other fruit crops (zucchini, pumpkins,...)
How often did the young person eat from their own garden during the past 3 months: bulbous plants (leeks, onions,...)
How often did the young person eat from their own garden during the past 3 months: stem crops (celery)
How often did the young person eat from their own garden during the past 3 months: root vegetables (carrots, radishes)?
How often did the young person eat from their own garden during the past 3 months: legumes (peas, princess beans,...)
How often did the young person eat from their own garden during the past 3 months: other vegetables
What other vegetables?
Which foods from their own (home/home) cultivation/manufacture has the young person eaten in the past 12 months and how often? Potatoes
Which foods from their own (home/home) cultivation/manufacture has the young person eaten in the past 12 months and how often? Vegetables
Which foods from their own (home/home) cultivation/manufacture has the young person eaten in the past 12 months and how often? Fruit
Which foods from their own (home/home) cultivation/manufacture has the young person eaten in the past 12 months and how often? Meat, game, poultry
Which foods from their own (home/home) cultivation/manufacture has the young person eaten in the past 12 months and how often? Eggs
Which foods from their own (home/home) cultivation/manufacture has the young person eaten in the past 12 months and how often? Dairy products such as milk, cheese, yogurt
Which foods from their own (home/home) cultivation has the young person eaten in the past 12 months and how often? Nuts
Does the young person sometimes eat fruit and/or vegetables grown by others in the demarcated zone?
Has the young person ever eaten fruit and/or vegetables in the past 3 months that you received or bought from friends, neighbours, family or local growers and that were grown in the defined sin?
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Small fruits (strawberries, berries)
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Orchard fruit (apples, pears, cherries)
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Vegetables (total)
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Potatoes
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Lettuce
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Spinach
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Other leafy greens (endive, parsley,...)
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Cabbages (cauliflower, red cabbage, white cabbage, savoy cabbage, Brussels sprouts,...)
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Tomatoes
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Cucumbers
During the past 3 months, how often did the young person eat fruit and vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Other fruit crops (zucchini, pumpkins,...)
During the past 3 months, how often did the young person eat fruit and vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Bulbous vegetables (leeks, onions,...)
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Stem crops (celery)
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Root vegetables (carrots, radishes)
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Legumes (peas, princess beans, string beans, broad beans,...)
During the past 3 months, how often did the young person eat fruit and/or vegetables that you received or bought from friends, neighbours, family or local growers and that were grown in the demarcated zone? Other vegetables
What other vegetables?
Which foods from friends, neighbours, family or local growers from the demarcated zone has the young person eaten in the past 12 months and how often? Potatoes
Which foods from friends, neighbours, family or local growers from the demarcated zone has the young person eaten in the past 12 months and how often? Vegetables
Which foods from friends, neighbours, family or local growers from the demarcated zone has the young person eaten in the past 12 months and how often? Fruit
Which foods from friends, neighbours, family or local growers from the demarcated zone has the young person eaten in the past 12 months and how often? Meat, game and poultry
Which foods from friends, neighbours, family or local growers from the demarcated zone has the young person eaten in the past 12 months and how often? Eggs
Which foods from friends, neighbours, family or local growers from the demarcated zone has the young person eaten in the past 12 months and how often? Dairy products such as milk, cheese, yogurt
Which foods from friends, neighbours, family or local growers from the demarcated zone has the young person eaten in the past 12 months and how often? Nuts
How often has the young person eaten self-caught fish from the demarcated zone in the past 3 months, i.e. fish caught by you or by neighbours, friends or family?
What kind of fish is it usually about? Sea fish
What kind of fish is it usually about? Freshwater fish from river
What kind of fish is it usually about? Freshwater fish from pond
How often does the young person use honey that comes from a beekeeper (beekeeper) within the demarcated zone? E.g. on sandwiches, in tea, desserts,...
Do you have any comments or suggestions about this questionnaire?
Label number young person
First name young person
Today's Date
Date of birth of young person
At birth, you were registered as (gender as registered on your birth certificate):
Do you smoke tobacco?
How much do you smoke on average (cigarettes/week)?
Have you smoked tobacco in the last 3 days?
How often do you come to a room where tobacco is smoked (at home)?
How often do you come to a room where tobacco is smoked (other places than at home)?
Have you been in a room where tobacco was smoked in the past 3 days?
Do you smoke electronic cigarettes?
Have you smoked electronic cigarettes in the last 3 days?
How often do you come to a room where electronic cigarettes are smoked (at home)?
How often do you come into a room where electronic cigarettes are smoked (places other than at home)?
Have you been in a room where electronic cigarettes were smoked in the past 3 days?
Do you smoke a hookah?
Have you smoked a hookah in the last 3 days?
How often do you come into a room where a hookah is smoked (at home)?
How often do you come into a room where a hookah is smoked (places other than at home)?
Have you been in a room where a hookah was smoked in the past few days?
Do you sometimes drink alcoholic beverages?
Have you drunk alcohol in the past 3 days?
Have you used drugs in the past 3 days? Think of both soft drugs and hard drugs, so cannabis, speed, LSD, cocaine, heroin,...
Are you currently on a growth hormone treatment?
Have you been taking medication in the past 14 days?
Which medicines?
Have you used vitamin or mineral supplements in the past 14 days?
Which brand of vitamin or mineral supplements?
Have you been taking omega-3 fatty acid supplements in the past 14 days? For example, capsules, tablets, syrup, drops,...
What brand of omega-3 fatty acid supplements?
Have you had a fever in the past 14 days?
Have you had a respiratory infection in the past 14 days? (e.g. nose, throat, ears, lungs, Covid-19)
Have you had another infection in the past 14 days?
What other infection?
Are you currently using a contraceptive? For example, pill, IUD, ring,...
Since when?
If so, do you use a contraceptive with hormones? (e.g. pill, hormonal IUD, ring,...)
Are you currently pregnant?
Do you have any comments or suggestions about this questionnaire?
Label number
Date of investigation
Age of the participant
Gender of the participant
Was the young person's questionnaire completed and returned?
Was the parents' questionnaire completed and returned?
Has the feeding questionnaire been completed and returned?
Has the recent exposure questionnaire been completed and returned?
Height of participant (cm) on examination
Participant weight in research
Participant's abdominal circumference
Participant's hip circumference
Systolic blood pressure 1
Diastolic Blood Pressure 1
Heart rate 1
Systolic Blood Pressure 2
Diastolic Blood Pressure 2
Heart rate 2
Systolic blood pressure 3
Diastolic Blood Pressure 3
Heart rate 3
Systolic Blood Pressure 4
Diastolic Blood Pressure 4
Heart rate 4
Systolic blood pressure 5
Diastolic Blood Pressure 5
Heart rate 5
Time of blood sampling
Time of blood sampling
Blood sample present and complete?
Biobank blood sample present and complete?
Time of urine sample (hours)
Time of urine sample (minutes)
Time of last pee (hours)
Time of last pee (minutes)
Urine sample present and complete?
Biobank urine sample present and complete?
Is participant fasting at the time of the study?
Time of last meal before the study (hour)
Time of the last meal before the study (min)
Nature of the meal? Drink: .......
Nature of the meal? Snack: .......
Nature of the meal? Meal: .......
Comments on the investigation
Participant Gender
Participant Gender
Participant's age at time of study
Participant's age at time of study
Participant's age at time of study - classes
Participant's age at time of study - classes
Education Child
Education Child
Nationality participant at birth
Current nationality participant
Active sports so that one is sweaty or out of breath
How often in free time outside in nature or terrain with fallow greenery
Regular contact with chemical products by participant
Regular contact with lubricants by participant
Regular contact with soil particles by participant
Regular contact with chemical products, lubricants or soil particles by participant
Last month use of aerosol cans water and dirt repellent by participant
use of paint, varnish, varnish or mordant by participant in the past month
Last month use of polishing agent for furniture or parquet by participant
last month use of polishing or lubricant for hobby (bicycle, saddle horse) by participant
use of packaging with a water and grease repellent layer by participant in the past month
Last month use of water-repellent clothing by participant
Last month use of water-repellent clothing by participant
past month use of sun milk, body lotion or hand cream by participant
past month use of mascara or nail polish by participant
past month use of products with PTFE by participant
Consumption of eggs over the past 12 months
Consumption of organ meat in the past 12 months
Consumption of meat with a hot meal over the past 12 months
Consumption of charcuterie over the past 12 months
Fish consumption in the past 12 months
Consumption of smoked fish in the past 12 months
Consumption of fish with a hot meal over the past 12 months
Shellfish consumption over the past 12 months
Consumption of potatoes over the past 12 months
Consumption of vegetables in the past 12 months
Consumption of dried fruit in the past 12 months
Fruit consumption over the past 12 months
Consumption of bread in the past 12 months
Consumption of breakfast cereals and meusli over the past 12 months
Consumption of nuts and seeds over the past 12 months
Consumption of cheese over the past 12 months
Yoghurt consumption in the past 12 months
Consumption of milk and milk products over the past 12 months
Ice cream consumption in the past 12 months
Chocolate consumption over the past 12 months
Tofu consumption in the past 12 months
Consumption of other meat substitutes in the past 12 months
Fast food consumption over the past 12 months
Consumption of packaged ready meals in the past 12 months
Consumption of meals prepared or heated in the microwave over the past 12 months
Participant often applies a certain eating pattern
Length growth participant - growth spurt
Height growth participant - growth spurt, boys
Height growth participant - growth spurt, girls
Participant's body hair growth (except on head)
Growth body hair participant (except on head), boys
Growth of body hair participant (except on head), girls
Skin change participant
Skin change participant, boys
Skin change participant, girls
Participant's voice change
Facial hair participant (boys)
Breast development participant (girls)
Pubertal development scale- for boys
Pubertal development scale- 5 categories- for boys
Pubertal development scale- 3 categories- for boys
Pubertal development scale- 2 categories- for boys (level 4 or 5 reached)
Pubertal development scale in relation to age - 2 categories - for boys
Pubertal development scale- 5 categories-for girls
Pubertal development scale- for girls
Pubertal development scale- 3 categories- for girls
Pubertal development scale- 2 categories- for girls (level 4 or 5 reached)
Pubertal development scale in relation to age - 2 categories - for girls
Girl already has menstruation
Does girl have regular periods?
Age of first period (for girls with periods)
Late first periods (after 13.5 years) - for girls with periods and girls who do not menstruate at 13.5 years
Age of first menarche - for girls with periods and girls who are not menstruating at 13.5 years (cannot be calculated for girls under 13.5 who are menstruating but do not know age)
Asthma - last 12 months
Asthma - once diagnosed by a doctor
Asthma - ever
Hay fever - last 12 months
Hay fever - once
Eczema - last 12 months
Eczema - ever
Use of medication for eczema
Use of medication for asthma
Use of medication for hay fever
Allergy to foods, medicines or insect bites
Allergy to foods
Allergy ever to drugs
Allergy ever to insect bites
Allergy to metal, personal care products, household and maintenance products
Allergy to metal
Allergy to personal care products
Allergy to household and maintenance products
Allergy to care, household or maintenance products
Allergy to food, medicines, insect bites, metal, care products, household and maintenance products
Allergy to animals
Prevention of familial asthma (info via parents)
Prevention of family hay fever (info via parents)
Prevention of family eczema (info via parents)
Prevention of family allergy (info via parents)
Medicine for chronic condition: thyroid disease
Medicine for chronic condition: diabetes
Medicine for chronic disease: kidney disease
Medicine for chronic condition: adhd
Medicine for chronic disease: allergy
Participant is taking medication for a chronic condition (growth hormone, thyroid disease, diabetes, kidney disease)
Participant is taking corticosteroid
Family number
Number of addresses since birth
Number of years participant lives in study area
Number of years the participant did not live in the study area
Number of years the participant did not live in the study area
Time participant lives in study area, percentage relative to age of participant
Lives biological mother at birth participant in study area
Does biological father live at birth participant in study area
Does biological mother live in study area during pregnancy
Does biological father live in study area during pregnancy
Number of years that biological mother has lived in the study area
Number of years that biological father has lived in the study area
Number of family members, calculated for everyone (but: The number of family members is often incorrect.  The sum of the number of members under 14 years and over 14 years does not correspond to the total number of family members for 43 participants.)
Number of family members, calculated only for the participants where the sum of the number of members younger and older than 14 years corresponds to the total number of family members. For 43 participants where this is incorrect, the code has been set to missing.
Number of family members - class, calculated for everyone (but: The number of family members is often incorrect.  The sum of the number of members under 14 years and over 14 years does not correspond to the total number of family members for 43 participants.)
Number of family members - class, calculated only for the participants where the sum of the number of members younger and older than 14 years corresponds to the total number of family members. For 43 participants where this is incorrect, the code has been set to missing.
Highest education parent1 participant (ISCED classification)
Highest education older 2 participants (ISCED classification)
Highest education HH - parent 1 and parent 2 (these are not necessarily the biological parents)
nationality at birth of parent 1 participant
nationality at birth of parent 2 participant
Nationality at birth of biological mother participant
Nationality at birth of biological father participant
Origin based on i) nationality of participant at birth, ii) current nationality of participant, iii) birth nationality parent 1, iv) birth nationality parent 2
If 1 of these 4 is non-Belgian, then foreign origin (see Origin Monitor 2015 and VRIND (uniform survey in Flanders)
Origin based on i) nationality of participant at birth, ii) current nationality of participant, iii) birth nationality parent 1, iv) birth nationality parent 2
If 1 of these 4 is non-Belgian, then foreign origin (see Origin Monitor 2015 and VRIND (uniform survey in Flanders)
Getting by on the income
Getting by on the income
Number of family members on which the equivalent income is calculated, calculated for everyone (but: The number of family members is often incorrect.  The sum of the number of members under 14 years and over 14 years does not correspond to the total number of family members for 43 participants.)
Number of family members on which the equivalent income is calculated, calculated only for the participants where the sum of the number of members younger and older than 14 years corresponds to the total number of family members. For 43 participants where this is incorrect, the code has been set to missing.
Equivalent household income
Calculated for everyone (but: The number of family members is often incorrect.  The sum of the number of members under 14 years and over 14 years does not correspond to the total number of family members for 43 participants.)
Equivalent household income
Only calculated for participants where the sum of the number of members younger and older than 14 years corresponds to the total number of family members. For 43 participants where this is incorrect, the code has been set to missing.
Equivalised household income - categories
Calculated for everyone (but: The number of family members is often incorrect.  The sum of the number of members under 14 years and over 14 years does not correspond to the total number of family members for 43 participants.)
Equivalised household income - categories
Only calculated for participants where the sum of the number of members younger and older than 14 years corresponds to the total number of family members. For 43 participants where this is incorrect, the code has been set to missing.
A family member of the young person is currently working at 3M
Did a family member of the young person work at 3M in the past?
Weight change biological mother during pregnancy
Complications during pregnancy that necessitated hospitalization or rest
Preeclampsia
High blood pressure of the mother during pregnancy
Gestational diabetes
Physical overload during pregnancy
Stress in mother during pregnancy
Mother should take antibiotics during pregnancy
Smoked mother during pregnancy
Did mother drink alcohol during pregnancy
Mother's age at childbirth
How many children are participants?
Complications during childbirth that required acute care
Child birth weight
Child birth weight
Preterm birth (< 37 weeks)
Was the child breastfed?
How many weeks was child breastfed in classes
Mother antibiotics taken during breastfeeding
Severe lung or respiratory infections during the first two years of life
Usually paracetamol as a heart inhibitor during the first two years of life
Took child antibiotics during first two years of life
Child was seriously ill during the first two years of life
Was regularly smoked in the child's presence during the first two years of life
Child regularly went to daycare during the first two years of life
Child regularly went to indoor swimming pool during the first two years of life
Last year fever
Last year of respiratory infection (including COVID-19)
infections (all) ged. last 12 months
Last year throat inflammation
Last year ear infection
last year of bronchitis
Last year of pneumonia
Last year of cystitis
Last year stomach flu
Last year of laryngitis
Last year nasal infection
Last year of COVID-19
Occurrence of type 1 diabetes in the biological family of the young person
Occurrence of type 2 diabetes (adult-onset diabetes) in the biological family of the young person
Occurrence of diabetes (type 1 or type 2) in the biological family of the young person
Occurrence of thyroid problems in the biological family of the young person
Occurrence of kidney problems in the biological family of the young person
Prevention of cardiovascular disease, high blood pressure in the biological family of the young person
Occurrence of ADHD in the young person's biological family
Year of construction of the house
Family owner of the house
Smoking indoors
Pet present in the house
Cat present in the house
Dog present in the house
Allergy-prone pet present in the house
Heating via stove (wood, gas, oil,...)  or fireplace ?
Type of stove used as heating
Ever a fire in a home in which fire-fighting foam or extinguishing powder was used
Have renovation or embellishment works been carried out in the house in the past 12 months?
Past 12 months of painting to renovate or beautify the house
Plastering to renovate or beautify the house in the past 12 months
Past 12 months of demolition work to renovate or beautify a house
Insulation work in the past 12 months to renovate or beautify a home
Used silicone to renovate or beautify a home in the past 12 months
Have new curtains, carpets, furniture with textiles, mattresses or wallpaper been installed in the past 12 months?
Metal water pipes in the house
Plastic water pipes in the house
Type of water pipe in the home
Ventilation in living room or bedroom manual
Ventilation in living room or bedroom via grilles
Ventilation in living room or bedroom mechanical
Ventilation of the living room by opening windows and/or exterior doors
Ventilation of the bedroom by opening windows and/or external doors
Vinyl in the living room or bedroom
linoleum in the living room or bedroom
carpet in the living room or bedroom
Cork in the living room or bedroom
Parquet in the living room or bedroom
Laminate in the living room or bedroom
epoxy in the living room or bedroom
concrete in the living room or bedroom
Tiles in the living room or bedroom
Wallpapering walls in the living room or bedroom
Wallpapering walls in the living room or bedroom
Painted walls in the living room or bedroom
Painted walls in the living room or bedroom
Walls with wood panels in the living room or bedroom
Walls with fiber panels in the living room or bedroom
Curtains in textiles in the living room or bedroom
Textile armchairs in the living room or bedroom
Textile chairs in the living room or bedroom
Use scent diffusers indoors ?
Use insecticides indoors ?
Use anti-flea medicine indoors ?
Use antifungal products indoors ?
Use cleaning agent with bleach indoors ?
Use aerosols or sprays indoors ?
Use paint indoors ?
Use varnish, lacquer or stain indoors ?
Use of polishing agent indoors ?
Use sealants indoors ?
Having cookware with a nonstick coating
Having cookware with a non-stick coating - labeled 'PFAS free'
Having cookware with a non-stick coating - frequency of use
Use microwave (prepare food cookware from plastic)
Vegetable garden with fruit or vegetables ?
Vegetable garden with fruit or vegetables ?
Having a compost heap in garden
Use of compost heap in vegetable garden (past or present)
Groundwater well present in the garden
Depth of groundwater well
Depth of groundwater well
Ever used water from well for feeding, spraying, hygiene, dishwasher,..
Now use of water from well for feeding, spraying, hygiene, dishwasher,..
Ever use water from well for drinking, tea, coffee and preparation food
Now use water from well for drinking, tea, coffee and preparation food
Ever contact with well water through dishes, personal hygiene or spraying vegetable garden
Now contact with well water through dishes, personal hygiene or spraying vegetable garden
Eat younger eggs from your own chickens
Eat young people's eggs from neighbours, friends, family, or local growers from demarcated zone
Do young people still eat eggs from their own chickens or from neighbours, friends,... from demarcated zone
How often did you eat from your own garden in the past 3 months: small fruit
How often did you eat from your own garden in the past 3 months: small fruit
How often did you eat from your own garden in the past 3 months: orchard fruit
How often did you eat from your own garden in the past 3 months: vegetables (total)
How often did you eat from your own garden in the past 3 months: vegetables (total)
How often did you eat from your own garden in the past 3 months: potatoes
How often did you eat from your own garden in the past 3 months: lettuce
How often did you eat from your own garden in the past 3 months: spinach
How often did you eat from your own garden in the past 3 months: other leafy greens
How often did you eat from your own garden in the past 3 months: cabbage
How often did you eat from your own garden in the past 3 months: tomatoes
How often did you eat from your own garden in the past 3 months: cucumbers
How often did you eat from your own garden in the past 3 months: other fruiting crops
How often did you eat from your own garden in the past 3 months: bulbous plants
How often did you eat from your own garden in the past 3 months: stem crops
How often did you eat from your own garden in the past 3 months: root vegetables
How often did you eat from your own garden in the past 3 months: legumes
Ate potatoes from our own cultivation in the past 12 months
Ate vegetables from our own cultivation in the past 12 months
Eaten fruit from our own cultivation in the past 12 months
Meat, game and poultry from own cultivation in the past 12 months
Ate eggs from our own cultivation in the past 12 months
Eaten dairy products from our own cultivation in the past 12 months
Ate nuts from our own cultivation in the past 12 months
Does the young person sometimes eat fruit/vegetables grown by others in the demarcated zone
Does the young person sometimes eat fruit/vegetables grown by others in the demarcated zone
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbors, family or local growers and that were counted in the demarcated sin?
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone? Small fruits
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone? orchard fruit
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Vegetables (total)
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Vegetables (total)
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Potatoes
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Potatoes
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Lettuce
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Spinach
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Leafy greens
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Coal
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Tomatoes
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Cucumbers
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Fruit crops
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Bulbous plants
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Stem crops
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Root vegetables
In the past 3 months, have you ever eaten fruit and/or vegetables that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Legumes
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone? Small fruits
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone? Small fruits
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone? orchard fruit
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone? orchard fruit
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Vegetables (total)
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Potatoes
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Potatoes
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Lettuce
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Spinach
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Leafy greens
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Coal
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Tomatoes
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Tomatoes
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Cucumbers
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Cucumbers
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Fruit crops
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Bulbous plants
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Stem crops
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Root vegetables
Have you ever eaten fruit and/or vegetables from your own garden in the past 3 months or that you received or bought from friends, neighbours, family, local growers and that were grown in the demarcated zone?  Legumes
Eaten potatoes from farmers/growers in your region in the past 12 months
Eaten vegetables from farmers/growers in your region in the past 12 months
Eaten fruit from farmers/growers in your region in the past 12 months
Eaten meat, game and poultry from farmers/breeders in your region in the past 12 months
Eaten eggs from farmers/breeders in your region in the past 12 months
Eaten dairy products from farmers/growers in your region in the past 12 months
Eaten nuts from farmers/growers in your region in the past 12 months
Eaten self-caught fish in the past three months
Use honey from beekeeper within defined zone
Smoker
Smoker
Smoked in the past three days
Smoked tobacco, electronic cigarette, or hookah in the past three days
Last 3 days in smoking room
Last three in room where tobacco, electronic cigarette or hookah was smoked
Passive smoking : how often is TOBACCO smoked at home ?
Passive smoking: how often is tobacco smoked elsewhere?
Passive smoking: how often is an electronic cigarette smoked at home?
Passive smoking: how often is an electronic cigarette smoked elsewhere?
Passive smoking : how often is tobacco smoked at home or elsewhere ?
Passive smoking: how often is tobacco or electronic cigarette smoked at home or elsewhere?
Passive smoking at home or elsewhere (tobacco) or smoking yourself?
Passive smoking at home or elsewhere (tobacco or electronic cigarette) or smoking yourself?
Alcoholic beverages
Drank alcohol in the past 3 days
Used drugs in the past 3 days
Currently receiving growth hormone treatment
Used medicine in the past 14 days
Used vitamin or mineral supplement in the past 14 days
Used omega-3 fatty acids supplement in the past 14 days
Fever in the past 14 days
Past 14 days respiratory infection
Infection in the past 14 days
Is girl currently using contraception ?
Participant Gender
Participant Gender
Participant's age at time of study
Participant's age at time of study
Participant's age at time of study - classes
Participant's age at time of study - classes
Period of sampling
Participant Height
Participant weight
BMI participant at time of study
BMI participant at time of study - 5 classes according to growth curves
BMI participant at time of study - 3 classes according to growth curves
BMI participant at time of study, boys only
BMI participant at time of study - 3 classes according to growth curves-single boys
BMI participant at time of study- girls only
BMI participant at time of study - 3 classes according to growth curves - girls only
Z score for BMI
Belly circumference (cm)
Waist circumference and length ratio
Risk of abdominal obesity
Ratio of belly circumference and hip circumference
Ratio of abdominal circumference and hip circumference - 3 classes
Diastole blood pressure (average of 5 measurements)
Systole blood pressure (average of 5 measurements)
Diastole blood pressure (mean of 5 measurements) - 4 classes
Systole blood pressure (mean of 5 measurements)- 4 classes
Heart rate (average of 5 measurements)
Participant fasting at time of study
Time of urine collection
Duration of urine collection
Duration of urine collection - categories
Time of blood collection
Participant Z-Score Height Standardized for Age and Gender
distance (m) participant's address to 3M in meters calculated in ArcGISpro using PLANAR method
orientation of the participant's address in relation to 3M
distance address participant to nearest fire station in meters calculated in ArcGISpro with PLANAR method
Orientation of the participant's address in relation to the nearest fire brigade location
distance address participant to nearest no-regret zone in meters calculated in ArcGISpro using PLANAR method
orientation of participant's address in relation to the nearest no-regret zone
distance address participant to nearest possible PFAS source in meter calculated in ArcGISpro using PLANAR method
orientation of participant's address in relation to the nearest possible PFAS source
Distance to 3M
Distance to 3M
Distance to nearest fire station
Distance to nearest no-regret zone
Distance to nearest possible PFAS source
Interaction variable distance (4 categorieS) * position 3M --> exclude 2 obs with POSITION_3M_N=1
RECODED interaction variable distance (4 categories) * position 3M --> cat 5 recoded as -1 (in order to have this as ref category in models)
Interaction variable distance (3 categories) * position 3M --> exclude 2 obs with POSITION_3M_N=1
RECODED interaction variable distance (3 categories) * position 3M --> cat 5 recoded as -1 (in order to have this as ref category in models)
Interaction variable distance*position NEAR --> exclude 1 obs with DIST_POST_NEAR=5
RECODED interaction variable distance*position NEAR --> cat 2 recoded as -1 (in order to have this as ref category in models)
Geographic clusters according to the address of the participants, numerically
Geographic clusters according to the address of the participants, text
What water do you use to water the vegetable garden?
What do you use to water the vegetable garden?
On the compost heap : pruning waste
On compost heap : grass clippings
On compost heap : weeds
On compost heap : bread
On the compost heap : vegetable or fruit waste from your own garden
On the compost heap: vegetable or fruit waste not from your own garden
On compost heap : food scraps/table scraps
On compost heap : meat
On the compost heap : frying fat, pan fat, sauces
On the compost heap : waste fish, shellfish
On compost heap : eggshells
On compost heap : other
How many years have you had these chickens?
How many years have you had these chickens? In categories
How old are the chickens approximately? (year)
How old are the chickens approximately? (year) in categories
Where do chickens come from
Do the chickens have access to the compost heap?
Where are the chickens fed?
What do you use as drinking water for the chickens?
What is the surface area of the free-range area (outdoor space)? m²
What is the surface area of the free-range area (outdoor space)? M², in categories - for participants with an environmental sample
Form free-range tumble
How much area of this free-range area is covered (with grass or other planting)?- for participants with chickens and an environmental sample
Age of the chicken coop
Do you use purchased food as food for the chickens?
What other food do the chickens get: grass in the run
What other food do the chickens get: weeds
What other food do the chickens get: bread
What other food do the chickens get: fruit and vegetable waste from their own garden
What other food do the chickens get: other whole vegetables/fruit not from their own garden
What other food do the chickens get: food scraps/table scraps
What other food do the chickens get: meat
What other food do the chickens get: frying fat, pan fat and sauces
What other food do the chickens get: waste from fish, shellfish
What other food do the chickens get: eggshells
What other food do the chickens get?
Was there smoking in the living room during the sampling period?
Was there smoking in the young person's bedroom during the sampling period?
Were renovation or embellishment works carried out in the house during the sampling period?
Were new curtains, carpets, furniture with textiles, mattresses or wallpaper installed in the living room during the sampling period?
Were new curtains, carpets, furniture with textiles, mattresses or wallpaper installed in the young person's bedroom during the sampling period?
Were new curtains, carpets, furniture with textiles, mattresses or wallpaper installed in the living room or in the bedroom of the young person during the sampling period?
Was the living room manually ventilated during the sampling period?
Was the living room ventilated with grilles in windows or doors during the sampling period?
Was the living room mechanically ventilated during the sampling period?
How was the living room ventilated during the sampling period?
Was the bedroom manually ventilated during the sampling period?
Was the bedroom ventilated with grilles in windows or doors during the sampling period?
Was the bedroom mechanically ventilated during the sampling period?
How was the bedroom ventilated during the sampling period?
Manual ventilation in living room or bedroom during sampling period
Manual ventilation in living room or bedroom during sampling period
Grids in living room or bedroom during sampling period
Grids in living room or bedroom during sampling period
Mechanical ventilation in living room or bedroom during sampling period
Mechanical ventilation in living room or bedroom during sampling period
How often did you ventilate the living room during the sampling period by opening the windows and/or outside doors?
How often did you ventilate the youngster's bedroom during the sampling period by opening the windows and/or outside doors?
How often was the living room cleaned during the sampling period and how? Vacuuming
How often was the living room cleaned during the sampling period and how? Vacuuming
How often was the living room cleaned during the sampling period and how? Sweeping with brush
How often was the living room cleaned during the sampling period and how? Wipe with a dry cloth (e.g. swiffer)
How often was the living room cleaned during the sampling period and how? Brushing with water
How often was the living room cleaned during the sampling period and how? Brushing with water
How often was the young person's bedroom cleaned during the sampling period and how? Vacuuming
How often was the young person's bedroom cleaned during the sampling period and how? Sweeping with brush
How often was the young person's bedroom cleaned during the sampling period and how? Sweeping with a dry do (e.g. swiffer)
How often was the young person's bedroom cleaned during the sampling period and how? Brushing with water
Number of days that dust bowl has been in the living room
Number of days that dust bowl has been in the living room
In which room(s) did you collect house dust with the scraper?
Was house dust scraped on top of the cupboard?
Material on top of the cabinet
When was the last time they cleaned on top of the cupboard?
Was house dust scraped in the closet?
Material in the case
When was the last time the closet was cleaned?
Was house dust scraped on the windowsill?
Material on the windowsill
When was the last time they cleaned on the windowsill?
Was house dust scraped on the curtain box?
Material on the curtain box
When was the last time the curtain cupboard was cleaned?
Was house dust scraped in another place?
Material in the other place
When was the last time cleaning was done in the other place?
Number of places where house dust was scraped
Places where house dust was scraped
First name young person
Today's Date
Date of birth of young person
Do you have a vegetable garden with fruit and vegetables?
How big is/was your vegetable garden (m²)?
What water do you use/used to water the vegetable garden?
What other water?
What do you use/used to water the vegetable garden?
What other?
Do you use/used compost in the vegetable garden?
What do you do/did on the compost heap/in the compost bin and how often? PRUNING WASTE
What do you do/did on the compost heap/in the compost bin and how often? GRASS CLIPPINGS
What do you do/did on the compost heap/in the compost bin and how often? WEEDS
What do you do/did on the compost heap/in the compost bin and how often? BREAD
What do you do/did on the compost heap/in the compost bin and how often? FRUIT OR VEGETABLE WASTE FROM YOUR OWN GARDEN
What do you do/did on the compost heap/in the compost bin and how often? FRUIT OR VEGETABLE WASTE NOT FROM YOUR OWN GARDEN
What do you do/did on the compost heap/in the compost bin and how often? FOOD SCRAPS/TABLE SCRAPS
What do you do/did on the compost heap/in the compost bin and how often? MEAT
What do you do/did on the compost heap/in the compost bin and how often? FRYING FAT, PAN FAT, SAUCES
What do you do/did on the compost heap/in the compost bin and how often? WASTE OF FISH, CRUSTACEANS
What do you do/did on the compost heap/in the compost bin and how often? EGGSHELLS
What do you do/did on the compost heap/in the compost bin and how often? OTHER
What other?
If you use/used compost from your own compost bin/manure heap, is/was it first sieved before it is/was used in the vegetable garden?
Do you have chickens that you have eggs from?
How many chickens do you currently have?
How many years have you had these chickens on average? (year)
Approximately how old are the chickens? (year)
Where do these chickens come from?
What other origins?
Do the chickens have access to the compost heap?
What food do the chickens get and how often? PURCHASED POWER SUPPLY
What food do the chickens get and how often? GRASS IN THE RUN/GRASS CLIPPINGS
What food do the chickens get and how often? WEEDS
What food do the chickens get and how often? BREAD
What food do the chickens get and how often? FRUIT OR VEGETABLE WASTE FROM YOUR OWN GARDEN
What food do the chickens get and how often? FRUIT OR VEGETABLE WASTE NOT FROM YOUR OWN GARDEN
What food do the chickens get and how often? FOOD SCRAPS/TABLE SCRAPS
What food do the chickens get and how often? MEAT
What food do the chickens get and how often? FRYING FAT, PAN FAT, SAUCES
What food do the chickens get and how often? WASTE OF FISH, CRUSTACEANS
What food do the chickens get and how often? EGGSHELLS
What food do the chickens get and how often? OTHER
What other?
Where are the chickens fed?
What do you use as drinking water for the chickens?
What other drinking water?
What is the surface area of the free-range area (outdoor space)? (m²)
What is the shape of the free-range space?
What other form?
How much area of this free-range area is covered with vegetation?
How old is the chicken coop approximately?
Do you have any comments or suggestions about this questionnaire?
version of the questionnaire in LimeSurvey
Label number young person
First name young person
Today's Date
Date of birth of young person
Was there smoking in the living room during the sampling period?
Was there smoking in the young person's bedroom during the sampling period?
Were renovation or embellishment works carried out in your home during the sampling period? (painting, flooring, insulation, sealants,...)
Which renovation or embellishment works?
Were new curtains, carpets, furniture with textiles, mattresses or wallpaper installed in the living room during the sampling period?
Were new curtains, carpets, furniture with textiles, mattresses or wallpaper installed in the young person's bedroom during the sampling period?
How was the living room ventilated during the sampling period? Manual
How was the living room ventilated during the sampling period? Grilles in windows or doors
How was the living room ventilated during the sampling period? Mechanical
How was the living room ventilated during the sampling period? Not
How was the young person's bedroom ventilated during the sampling period? Manual
How was the young person's bedroom ventilated during the sampling period? Grilles in windows or doors
How was the young person's bedroom ventilated during the sampling period? Machanic
How was the young person's bedroom ventilated during the sampling period? Not
How often did you ventilate the living room during the sampling period by opening the windows and/or outside doors?
How often did you ventilate the youngster's bedroom during the sampling period by opening the windows and/or outside doors?
How often was the living room cleaned during the sampling period and how? Vacuuming
How often was the living room cleaned during the sampling period and how? Sweeping with brush
How often was the living room cleaned during the sampling period and how? Wipe with a dry cloth (v swiffer)
How often was the living room cleaned during the sampling period and how? Brushing with water
How often was the young person's bedroom cleaned during the sampling period and how? Vacuuming
How often was the young person's bedroom cleaned during the sampling period and how? Sweeping with brush
How often was the young person's bedroom cleaned during the sampling period and how? Sweeping with a dry do (e.g. swiffer)
How often was the young person's bedroom cleaned during the sampling period and how? Brushing with water
Do you have any comments or suggestions about this questionnaire?
Label number
Label number
First name of the young person
Today's Date
Date of birth of the young person
In which room(s) did you collect house dust with the scraper?
What other room
Was house dust scraped on top of the cupboard?
[Untreated wood] What material is this place made of?
[Wood with wax, varnish, lacquer or paint] What material is this place made of?
[Wood with laminate layer] What material is this place made of?
[Metal with lacquer/paint] What material is this place made of?
[Plastic] What material is this place made of?
[Other] What material is this place made of?
[I don't know] What material is this place made of?
What other material is made of
When was the last time this place was cleaned?
Was house dust scraped in the closet?
[Untreated wood] What material is this place made of?
[Wood with wax, varnish, lacquer or paint] What material is this place made of?
[Wood with a laminate layer] What material is this place made of?
[Metal with lacquer/paint] What material is this place made of?
[Plastic] What material is this place made of?
[Other] What material is this place made of?
[I don't know] What material is this place made of?
What other material?
When was the last time this place was cleaned?
Was house dust scraped on the windowsill?
[Untreated wood] What material is this place made of?
[Wood with wax, varnish, lacquer or paint] What material is this place made of?
[Wood with a laminate layer] What material is this place made of?
[Metal with lacquer/paint] What material is this place made of?
[Plastic] What material is this place made of?
[Other] What material is this place made of?
[I don't know] What material is this place made of?
What other material is made of
When was the last time this place was cleaned?
Was house dust scraped on the curtain box?
[Untreated wood] What material is this place made of?
[Wood with wax, varnish, lacquer or paint] What material is this place made of?
[Wood with a laminate layer] What material is this place made of?
[Metal with lacquer/paint] What material is this place made of?
[Plastic] What material is this place made of?
[Other] What material is this place made of?
[I don't know] What material is this place made of?
What other material?
When was the last time this place was cleaned?
Was house dust scraped in other places?
What other place
[Untreated wood] What material is this place made of?
[Wood with wax, varnish, lacquer or paint] What material is this place made of?
[Wood with laminate layer] What material is this place made of?
[Metal with lacquer/paint] What material is this place made of?
[Plastic] What material is this place made of?
[Other] What material is this place made of?
[I don't know] What material is this place made of?
What other material
When was the last time this place was cleaned?
Do you have any comments or suggestions about this questionnaire?
Label number
Label number
First name young person
Date of birth of the young person
At birth, the participating juvenile was registered as (gender as recorded on the birth certificate)
On what date were the bowl + lid placed in the living room?
At what height was the bowl placed in the living room?
Was the bowl in a corner?
On what date was the living room bowl wrapped? (after the sampling period)
On what date were the bowl + lid placed in the bedroom?
At what height was the bowl placed in the bedroom?
Was the bowl in a corner?
On what date was the bedroom bowl wrapped? (after the sampling period)
It is best to keep the bowls in the same place for the entire period. If they are moved, polished, knocked over, etc., write down the date here and explain briefly.
Questionnaire Vegetable Garden and Chickens
Fruit and vegetable sample available
egg sample available
Water steel presence
Bottom sample available
Fabric Bowl Questionnaire
Questionnaire house dust scraper sample
House dust questionnaire
fabric sample present