Figure 2
![Figure 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2458-10-49/MediaObjects/12889_2009_Article_1960_Fig2_HTML.jpg)
Evaluation design accounting for seasonal differences and using a waiting list control. CONT = gym lessons (existing state-sponsored programme). INT = participatory parent-focused intervention plus simultaneous gym lessons. X1 and X2: randomization time points, X1 = autumn, X2 = spring. ---- children enrolled and measured, but no intervention/gym lessons.