TABLE 2

Crash Characteristics of the Study Group

CharacteristicOverall, Weighted % (Unweighted n) (N = 7151)BPB Seat, Weighted % (Unweighted n) (N = 1604)Seat Belt, Weighted % (Unweighted n) (N = 5547)Pa
Vehicle type.090
    Passenger car41.8 (3333)41.3 (674)42.1 (2659)
    Large van2.0 (161)1.1 (27)2.4 (134)
    Pickup truck4.4 (296)4.7 (73)4.2 (223)
    SUV25.0 (1568)26.2 (404)24.5 (1164)
    Minivan26.7 (1793)26.7 (426)26.7 (1367)
Model year<.001
    1990–199737.3 (3275)23.0 (438)43.5 (2837)
    1998–200138.5 (2547)38.2 (597)38.6 (1950)
    2002–200824.2 (1329)38.8 (569)17.8 (760)
Crash severity.032
    Any intrusion7.7 (1454)6.3 (300)8.2 (1154)
    Towaway, no intrusion27.4 (3001)26.1 (639)28.0 (2362)
    None65.0 (2696)67.6 (665)63.8 (2031)
Direction of initial impact.018
    Front46.6 (3312)43.8 (695)47.9 (2617)
    Near side9.4 (744)11.9 (228)8.3 (516)
    Far side11.6 (943)12.0 (217)11.4 (726)
    Rear30.2 (1952)30.6 (425)30.0 (1527)
    Other/miscellaneous/unknown2.2 (200)1.8 (39)2.4 (161)
  • a P values between BPB seat and seat belt groups where applicable. For categorical (nondichotomous) variables, the P values refer to the differences in the distribution of the variables between the BPB seat and seat belt groups.