Table 3

Univariate predictors of hospital admission for treatment of bicycle related injury (n=3385)

% Admitted (n=342; 10.2%)% Not admitted (n=3043; 89.8%)OR95% CI
Age (in years)
 ≤56.77.51.30.7 to 2.2
 6–1236.335.81.20.8 to 1.7
 13–1917.015.91.00.6 to 1.6
 20–3923.431.21.0Reference
 ≥4016.79.61.61.0 to 2.6
Gender
 Male77.071.31.31.04 to 1.8
 Female23.128.71.0Reference
Crash characterstics
 Motor vehicle involvement†36.012.83.83.0 to 4.9
 Paved surface‡83.076.81.51.1 to 2.0
 Speed >15 mph§29.021.81.51.2 to 1.9
ISS
 ≤852.097.91.0
 >848.02.143.631.0 to 61.3
Helmet use43.951.50.70.6 to 0.9
  • *Five subjects who were dead at the scene of the crash were omitted.

  • †Reference group: all other crashes not involving moving motor vehicle.

  • ‡Reference group: all unpaved surfaces.

  • §Reference group: speed <15 mph.