Intervention group (N = 195) | School-based control group (N = 166) | p-valuea | |
---|---|---|---|
Mean (SD) difference or N (%) | Mean (SD) difference or N (%) | ||
Change in BMI (kg/m2) | 0.10 (0.88) | 0.69 (1.40) | < 0.01 |
Change in BMI SDS | − 0.13 (0.22) | − 0.06 (0.26) | 0.02 |
BMI SDS reduction | 0.08 | ||
None Δ BMI-SDS > 0 | 60 (31) | 72 (43) | |
Minimal Δ BMI-SDS ≤ 0 ≤ − 0.25 | 84 (43) | 63 (38) | |
Successful Δ BMI-SDS ≤ − 0.25 ≤ − 0.5 | 38 (19) | 22 (13) | |
Highly successful Δ BMI-SDS ≤ − 0.50 | 13 (7) | 9 (5) |