Table 3

Driver and vehicle-level characteristics

n% (95% CI)
Vehicle body type
 Automobile109/23746.0 (41.0 to 51.1)
 Light truck54/23722.8 (18.8 to 27.4)
 SUV39/23716.5 (13.0 to 20.6)
 Medium/heavy vehicle18/2377.6 (5.3 to 10.8)
 Van/minivan12/2375.1 (3.2 to 7.8)
 Bus3/2371.3 (0.5 to 3.1)
 Motorcycle2/2370.8 (0.3 to 2.5)
Driver's age
 Under 3071/23430.3 (25.8 to 35.3)
 30–4977/23432.9 (28.3 to 37.9)
 50–6454/23423.1 (19.0 to 27.7)
 65 and over32/23413.7 (10.5 to 17.6)
Driver's sex
 Female59/23425.2 (21.0 to 30.0)
 Male174/23474.8 (70.0 to 79.0)
Police reported substance involvement
 Alcohol20/2527.9 (5.7 to 11.0)
 Drugs7/2522.8 (1.6 to 4.9)
 Either alcohol or drugs23/2529.1 (6.7 to 12.3)
Driving behaviours
 Failure to yield right-of-way54/25221.4 (17.7 to 25.7)
 Speed-related17/2526.7 (4.7 to 9.6)
 Inattentive driving16/2526.4 (4.4 to 9.2)
 Hit and run41/25216.3 (13.0 to 20.2)
Criminal violations
 Homicide charge10/2524.0 (2.5 to 6.4)
 One or more moving violations42/25216.7 (13.4 to 20.6)
Crash avoidance manoeuvers
 None146/19176.4 (71.0 to 81.2)
 Braking31/19116.2 (12.3 to 21.2)
 Steering7/1913.7 (2.0 to 6.7)
 Braking and steering6/1913.1 (1.6 to 6.1)
 Other1/1910.5 (0.1 to 2.7)
  • SUV, sport utility vehicle.