Table 7. Increase in lateral jumping between the different BMI-classification at T1 (BMI-T1) in both schooltypes (IS = intervention schools; CS = control schools). BMI-T1 N Means (±SD) obesity IS 30 15.7 (11.1) CS 17 11.7 (9.7) overweight IS 38 17.7 (10.2) CS 20 11.1 (9.3) normal weight IS 350 19.6 (9.1)*** CS 132 12.6 (9.1) underweight IS 33 18.7 (10.4) CS 19 15.2 (10.2) *** p < 0.001 compared with CS by ANCOVA (adjusted for gender and age).