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Prevalence of overweight at 12 months and 3 years after baseline
| Control (%) | Intervention (%) | Odds ratio (95% CI) | P value | Risk difference* (95% CI) | |
|---|---|---|---|---|---|
| Baseline (n=486) | 20.6 | 17.4 | 0.79 (0.50 to 1.26) | P=0.33 | 3.2% (−4.23% to 10.6%) |
| After 12 months (n=474) | 28.5 | 18.7 | 0.58 (0.37 to 0.89) | P=0.01 | 9.8% (1.83% to 17.8%) |
| After 3 years† (n=434) | 30.2 | 25.6 | 0.79 (0.52 to 1.21) | P=0.28 | 4.6% (−4.3% to 13.5%) |
*Calculated assuming an intracluster correlation of 0.
†Primary outcome.
