Baseline and six month post intervention compliance with the MVPA guideline and unstandardized regression coefficients of the effects of YouRAction vs GI stratified for adolescents with a Western or non-Western ethnic background.

GI = general information; CI = confidence intervals; N = number of adolescents; k = number of classes; †multilevel linear or logistic regression analyses with class and individual as levels, adjusted for level of education; * = p<0.05.