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) | – | – |