TABLE 1

Age Group (Years) Characteristics for Patients Injured While ATV Was in Use

0–5 (n = 120)a6–11 (n = 409)a12–15 (n = 910)a16–17 (n = 473)aAll (n = 1902)bPc
Boys81 (67.5)279 (68.2)688 (75.6)376 (79.5)1424 (74.5)<.001
Girls39 (32.5)130 (31.8)222 (24.4)97 (20.5)488 (25.5)
Passenger or being pulled
 Yes83 (69.2)128 (31.3)172 (18.9)69 (14.6)452 (23.6)<.001
 No37 (30.8)281 (68.7)738 (81.1)404 (85.4)1460 (76.4)
Helmet used
 Yes46 (38.3)213 (52.1)475 (52.2)198 (41.9)932 (48.7)<.001
 No74 (61.7)196 (47.9)435 (47.8)275 (58.1)980 (51.3)
Admitted to ICU
 Yes32 (26.7)95 (23.2)256 (28.1)165 (34.9)548 (28.7).002
 No88 (73.3)314 (76.8)654 (71.9)308 (65.1)1364 (71.3)
Fracture
 Yes50 (41.7)202 (49.4)533 (58.6)275 (58.1)1060 (55.4)<.001
 No70 (58.3)207 (50.6)377 (41.4)198 (41.9)852 (44.6)
Fatality
 Yes4 (3.3)5 (1.2)16 (1.8)3 (0.6)28 (1.5).12
 No116 (96.7)404 (98.8)894 (98.2)470 (99.4)1884 (98.5)
  • a Count and (%) within age group.

  • b Count and (%) of population.

  • c χ2 test of association between age groups. Percent between age groups may not add to 100% because of rounding.