Observed helmet use among intervention and control group; values are number (%)
| Intervention | Control | |||
|---|---|---|---|---|
| Baseline (n=230) | Follow up (n=247) | Baseline (n=71) | Follow up (n=48) | |
| Relative risk of helmet use at follow up: 1.47 (95% confidence interval (CI) 1.16 to 1.85). | ||||
| Risk difference between intervention and control group for helmet use at follow up: 28.3% (95% CI 13.9% to 42.6%). | ||||
| No of helmet wearing children | 99 (43) | 219 (89) | 30 (42) | 29 (60) |