|  | Pre-test |  | |
---|---|---|---|---|
 |  | Control | Intervention |  |
 |  | n†= 910 | n†= 510 | p |
Age (mean (SD)) | 11.2 (0.27) | 11.2 (0.26) | 0.30 | |
Gender | Â | Â | Â | |
Boys (%) | 52.0 | 50.7 | 0.61 | |
Girls (%) | 48.0 | 49.3 | Â | |
Weight status | Â | Â | Â | |
Normal weight (%) | 84.9 | 88.5 | 0.06 | |
Overweight (%) | 15.1 | 11.5 | Â | |
Parental educational level | Â | Â | Â | |
< 12 years (%) | 32.0 | 26.3 | 0.07 | |
13-16 years (%) | 35.7 | 37.8 | Â | |
> 16 years (%) | 32.3 | 35.9 | Â |