TABLE 1.

Characteristics of Total Sample According to Child Age Groups (Unweighted n = 17 980)

Weighted % (No.)P Value
0–3 y (Unweighted n = 4081)4–8 y (Unweighted n = 5601)9–12 y (Unweighted n = 4631)13–15 y (Unweighted n = 3662)
Injured1.0 (365)1.6 (746)1.7 (694)2.5 (702)<.001
Restraint<.001
    Appropriate89.7 (3524)23.7 (871)83.3 (3713)84.6 (2930)
    Inappropriate9.5 (507)74.1 (4479)12.9 (626)9.1 (339)
    Unrestrained0.8 (50)2.2 (251)3.8 (292)6.3 (393)
Seat row<.001
    Front2.2 (138)12.3 (1042)33.1 (1797)58.4 (2198)
    Rear97.8 (3943)87.7 (4559)66.9 (2834)41.6 (1464)
Seat row/restraint group<.001
    Front/unrestrained0.2 (15)0.3 (65)0.5 (69)2.4 (173)
    Front/inappropriate0.7 (45)11.5 (955)1.0 (63)1.7 (96)
    Front/appropriate1.3 (78)0.5 (22)31.6 (1665)54.4 (1929)
    Rear/unrestrained0.7 (35)2.0 (186)3.3 (223)4.0 (220)
    Rear/inappropriate8.8 (462)62.6 (3524)12.0 (563)7.4 (243)
    Rear/appropriate88.4 (3446)23.1 (849)51.6 (2048)30.2 (1001)
Vehicle type<.001
    Passenger car53.9 (2376)49.8 (3141)49.3 (2638)54.2 (2344)
    Minivan22.3 (861)27.3 (1350)27.8 (1158)22.5 (704)
    Sport utility vehicle21.2 (739)19.0 (911)19.1 (710)17.6 (495)
    Pickup truck2.6 (105)4.0 (199)3.8 (125)5.7 (119)