Selected descriptive characteristics of riders under age 16, by helmet use category
| Wears helmet always or almost always | |||
|---|---|---|---|
| Variable | Yes | No | Crude OR (95% CI) |
| *Highest level attained by any household member. | |||
| Age group (years) (n=309) | |||
| ≤12 | 79.1 | 60.9 | 2.43 (1.35 to 4.36) |
| 12–15 | 20.9 | 39.1 | 1.0 |
| Gender (n=309) | |||
| Male | 55.4 | 50.9 | 1.20 (0.72 to 2.02) |
| Female | 44.6 | 49.1 | 1.0 |
| State helmet law (n=309) | |||
| Yes | 51.3 | 26.2 | 2.99 (1.73 to 5.18) |
| No | 48.7 | 73.9 | 1.0 |
| Region (n=309) | |||
| Northeast | 27.3 | 14.9 | 0.88 (0.34 to 2.30) |
| Midwest | 22.7 | 27.8 | 0.39 (0.16 to 0.96) |
| South | 22.9 | 44.4 | 0.25 (0.11 to 0.57) |
| West | 27.1 | 13.0 | 1.0 |
| Education* (n=305) | |||
| High school or less | 16.8 | 47.4 | 1.0 |
| Some college | 30.2 | 20.4 | 4.17 (2.05 to 8.49) |
| College graduate | 52.9 | 32.3 | 4.61 (2.48 to 8.57) |
| Household income ($) (n=264) | |||
| <15000 | 2.7 | 10.5 | 1.0 |
| 15000 to <30000 | 16.5 | 30.0 | 2.13 (0.71 to 6.35) |
| 30000 to <45000 | 21.2 | 21.9 | 3.75 (1.25 to 11.25) |
| ≥45000 | 59.6 | 37.7 | 6.12 (2.20 to 17.09) |