Table 3.
Progression of weight status
| Control (n=236) | Intervention (n=272) | |||
| 2006 | 2008 | 2006 | 2008 | |
| BMI* | 16.5 (16.7 to 17.5) | 18.3 (17.9 to 18.7) | 17.1 (16.7 to 17.5) | 17.9 (17.4 to 18.4) |
| Weight status | ||||
| Normal weight | 176 (75.2%) | 150 (64.4%) | 190 (70.1%) | 179 (66.0%) |
| Overweight | 39 (16.7%) | 58 (24.9%) | 55 (20.3%) | 68 (25.1%) |
| Obesity | 19 (8.1%) | 25 (10.7%) | 26 (9.6%) | 24 (8.9%) |
| Overweight | 58 (24.8%) | 83 (35.6%) | 81 (29.9%) | 92 (34.0%) |
*
Estimated marginal means and 95% CI obtained by multivariate analysis of variance for repeated measures (adjusted for school): p<0.001. (Outcome effect: interaction between the body mass index (BMI) progression over 2 years and type of intervention.)