Changes in cycle helmet ownership and wearing from baseline by treatment group
| Mean % in schools at baseline (SE) | Mean % in schools at follow up (SE) | Difference between means (95% CI) | p value | |
|---|---|---|---|---|
| Denominators for: | ||||
| Helmet ownership at baseline: helmet + educational pack = 556, helmet + multifaceted intervention = 399 | ||||
| Helmet ownership at follow up: helmet + educational pack = 435, helmet + multifaceted intervention = 374 | ||||
| Helmet wearing at baseline: helmet + educational pack = 304, helmet + multifaceted intervention = 183 | ||||
| Helmet wearing at follow up: helmet + educational pack = 352, helmet + multifaceted intervention = 310 | ||||
| Helmet + educational pack | ||||
| Owns a helmet | 56.2 (5.6) | 80.9 (3.8) | 24.7 (15.9 to 33.5) | <0.001 |
| Always wears helmet | 26.8 (5.0) | 33.8 (5.8) | 6.9 (0.1 to 13.8) | 0.048 |
| Sometimes wears helmet | 52.0 (4.4) | 53.9 (3.5) | 1.9 (−6.0 to 9.9) | 0.61 |
| Never wears helmet | 21.2 (3.7) | 12.3 (3.1) | −8.9 (−16.3 to −1.4) | 0.024 |
| Helmet + multifaceted intervention | ||||
| Owns a helmet | 46.4 (3.6) | 84.0 (4.3) | 37.5 (22.8 to 52.2) | <0.001 |
| Always wears helmet | 30.4 (3.6) | 33.1 (3.0) | 2.7 (−7.3 to 12.7) | 0.57 |
| Sometimes wears helmet | 43.8 (3.9) | 54.2 (2.8) | 10.4 (−0.4 to 21.2) | 0.057 |
| Never wears helmet | 25.7 (6.4) | 12.6 (2.1) | −13.1 (−26.7 to 0.7) | 0.061 |