PLASTICITY study background information questionnaire for children on 9 year follow-up visit

PLASTICITY study background information questionnaire for children on 9 year follow-up visit. The purpose of this supplementary file is to give additional data on the data structure of the PLASTICITY study. This data is also available as a supplement of:

Launes J, Hokkanen L, Laasonen M, Tuulio-Henriksson A, Virta M, Lipsanen J, Tienari PJ, Michelsson K. 2014. Attrition in a 30-year follow-up of a perinatal birth risk cohort: factors change with age. PeerJ 2:e480 https://doi.org/10.7717/peerj.480