Table 2

Univariate predictors of severe injury in bicycle crashes (n=3390 cyclists)*

% ISS>8 (n=232; 6.8%)%ISS≤8 (n=3158; 93.2%)OR95% CI
Age (in years)
 ≤58.67.41.270.7 to 2.2
 6–1236.635.81.170.8 to 1.7
 13–1913.816.20.990.7 to 1.6
 20–3927.030.61.0Reference
 ≥4014.210.01.631.0 to 2.6
Crash characterstics
 Motor vehicle involvement*36.113.73.62.7 to 4.7
 Paved surface†79.777.81.10.8 to 1.6
 Speed >15 mph‡28.122.31.41.0 to 1.9
Gender
 Male75.471.71.20.9 to 1.7
 Female24.628.41.0Reference
Helmet use52.649.10.90.7 to 1.2
  • *Reference group: all other crashes not involving moving motor vehicle.

  • †Reference group: all unpaved surfaces.

  • ‡Reference group: self reported speed <15 mph.