Random-Effects Model (k = 3; tau^2 estimator: REML)

tau^2 (estimated amount of total heterogeneity): 60.1852 (SE = 112.8410)
tau (square root of estimated tau^2 value):      7.7579
I^2 (total heterogeneity / total variability):   54.53%
H^2 (total variability / sampling variability):  2.20

Test for Heterogeneity: 
Q(df = 2) = 4.3337, p-val = 0.1145

Model Results:

estimate       se     zval     pval    ci.lb    ci.ub          
-78.3276   6.0966 -12.8478   <.0001 -90.2767 -66.3786      *** 

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Signif. codes:  0 *** 0.001 ** 0.01 * 0.05 . 0.1   1 