Table 2.
Intervention group | Control group | ||||
---|---|---|---|---|---|
(n 485) | (n 398) | ||||
n | % | n | % | P value* | |
Age (years) | 482 | 398 | 0·376 | ||
Mean | 12·7 | 12·6 | |||
sd | 0·7 | 0·6 | |||
Gender | |||||
Boys (%) | 284 | 58·9 | 198 | 49·7 | 0·038 |
Girls (%) | 198 | 41·1 | 200 | 50·3 | |
Education | |||||
Vocational (%) | 282 | 62·3 | 192 | 50·5 | <0·001 |
Academic preparatory (%) | 171 | 37·3 | 188 | 49·5 | |
Ethnicity | |||||
Western (%) | 320 | 66·0 | 314 | 78·9 | 0·183 |
Non-Western (%) | 165 | 34·0 | 84 | 21·1 | |
Weight status† | |||||
Underweight (%) | 40 | 9·1 | 34 | 9·0 | 0·465 |
Normal weight (%) | 331 | 75·2 | 293 | 77·9 | 0·995 |
Overweight (%) | 53 | 12·0 | 44 | 11·7 | 0·957 |
Obese (%) | 16 | 3·6 | 5 | 1·3 | 0·577 |
*P value from the test for a significant difference between the intervention and control groups by multilevel multivariate logistic regression analysis.
†Based on the cut-off points of the International Obesity Taskforce( 26 ).