Univariate predictrs of fatal injury in bicycle crashes
| % Fatal (n=14; 0.4%) | % Non-fatal (n=3376; 99.6%) | OR | 95% CI | |
|---|---|---|---|---|
| Age (in years) | ||||
| ≤5 | 0 | 7.5 | – | – |
| 6–12 | 42.9 | 35.8 | 1.0 | Reference |
| 13–19 | 21.4 | 16.1 | 1.1 | 0.2 to 5.0 |
| 20–39 | 35.7 | 30.3 | 0.98 | 0.3 to 3.6 |
| ≥40 | 0 | 10.3 | – | |
| Gender | ||||
| Female | 14.3 | 28.1 | 1.0 | Reference |
| Male | 85.7 | 71.9 | 2.4 | 0.5 to 10.1 |
| Crash characteristics | ||||
| Motor vehicle involvement* | 71.4 | 15.1 | 14.1 | 4.1 to 53.5 |
| Paved surface† | 78.6 | 77.5 | 1.1 | 0.3 to 4.8 |
| Speed >15 mph‡ | 42.9 | 22.4 | 2.6 | 0.8 to 8.3 |
| Helmet use | 7.1 | 50.9 | 0.07 | 0.02 to 0.35 |
*Reference group: all other crashes not involving moving motor vehicle.
†Reference group: all unpaved surfaces.
‡Reference group: self reported speed <156 mph.