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Table 2 Comparing driver characteristics in youth BMVCs resulting in severe vs. non-severe injuries to cyclist

From: Child and adolescent bicycling injuries involving motor vehicle collisions

Driver Factors Collision resulting in severe injuries (%) Collision resulting in non-severe injuries (%) Unadjusted odds ratio (95% CI) Adjusted odds ratioa (95% CI)
n = 43 n = 380   
Driver Action
 Driving Properly 19 (44.2) 179 (47.1) 1.00 1.00
 Failure to Yield at Uncontrolled Intersection 7 (16.3) 67 (17.6) 0.98 (0.40–2.45) 0.87 (0.33–2.25)
 Traffic Control Device Violation 2 (4.7) 18 (4.7) 1.05 (0.23–4.86) 1.06 (0.21–5.23)
 Backed Vehicle Unsafely 4 (9.3) 11 (2.9) 3.42 (0.99–11.82) 6.61 (0.51–86.6)
 Other (Improper turn/lane change etc.) 7 (16.3) 29 (7.6) 2.27 (0.88–5.88) 1.97 (0.72–5.38)
 Unknown 4 (9.3) 76 (20.0) 0.50 (0.16–1.51) 0.51 (0.15–1.66)
Age
 16 to 24 7 (16.3) 39 (10.3) 1.71 (0.63–4.64) 1.81 (0.62–5.03)
 25 to 39 11 (25.6) 105 (27.6) 0.99 (0.42–2.35) 1.06 (0.44–2.58)
 40 to 54 12 (28.0) 114 (30.0) 1.00 1.00
 55 to 91 10 (23.2) 73 (19.2) 1.30 (0.53–3.17) 1.17 (0.46–2.99)
 Unknown 3 (7.0) 49 (12.9) 0.58 (0.16–2.15) 0.69 (0.08–6.03)
Impact Location
 Front Centre 30 (69.8) 206 (54.2) 1.00 1.00
 Back 4 (9.3) 15 (3.9) 1.83 (0.57–5.89) 0.36 (0.03–4.71)
 Left Side 2 (4.7) 48 (12.6) 0.29 (0.07–1.24) 0.22 (0.05–1.01)
 Right Side 7 (16.3) 90 (23.7) 0.53 (0.23–1.26) 0.53 (0.22–1.29)
 Unknown 0 (0.0) 21 (5.5)
Sex
 Female 13 (30.2) 160 (42.1) 1.00 1.00
 Male 28 (65.1) 192 (50.5) 1.79 (0.90–3.58) 1.82 (0.90–3.76)
 Unknown 2 (4.7) 28 (7.4) 0.88 (0.19–4.11) 2.36 (0.17–32.32)
Unsafe Speed
 No 25 (59.5) 253 (66.8) 1.00
 Yes 2 (4.8) 8 (2.1) 2.53 (0.51–12.57)
 Unknown 16 (35.7) 119 (31.1) 1.36 (0.70–2.64)
Vehicle Type
 Passenger Car 18 (41.9) 203 (53.4) 1.00
 Truck/Van/SUV 20 (46.5) 156 (41.1) 1.45 (0.74–2.83)
 Commercial Vehicle 3 (7.0) 16 (4.2) 2.11 (0.56–7.95)
 Unknown 2 (4.7) 5 (1.3) 4.51 (0.82–24.92)  
Alcohol Use
 Impaired by Alcohol 0 (0.0) 1 (0.3)
 Apparently Normal 38 (88.4) 313 (82.4)
 Unknown 5 (11.63) 66 (17.4)
  1. CI confidence interval, SUV sport utility vehicle
  2. aAdjusted for Driver Action, Age, Impact Location and Sex