Table 2 Characteristics of drivers involved in fatal 2-vehicle crashes by crash initiation status, Fatality Analysis Reporting System, 2011–2016
From: Direct and indirect effects of marijuana use on the risk of fatal 2-vehicle crash initiation
Driver characteristic | Initiatorsa n = 5856 N (%) | Noninitiatorsb n = 5856 N (%) | P value |
|---|---|---|---|
Age, years | |||
 16–24 | 1517 (25.9) | 899 (15.4) | < 0.0001 |
 25–34 | 1457 (24.9) | 1078 (18.4) |  |
 35–44 | 843 (14.4) | 981 (16.8) |  |
 45–54 | 713 (12.2) | 1085 (18.6) |  |
 55–64 | 549 (9.4) | 985 (16.8) |  |
  ≥ 65 | 775 (13.2) | 822 (14.1) |  |
Sex | |||
 Female | 1679 (28.7) | 1723 (29.4) | 0.4268 |
 Male | 4175 (71.3) | 4133 (70.6) |  |
Crash in the past 3 years | |||
 Yes | 1309 (23.0) | 1098 (19.2) | < 0.0001 |
 No | 4385 (77.0) | 4606 (80.8) |  |
DWI conviction in the past 3 years | |||
 Yes | 338 (5.8) | 163 (2.8) | 0.0009 |
 No | 5494 (94.2) | 5677 (97.2) |  |
Speeding conviction in the past 3 years | |||
 Yes | 1250 (21.4) | 1000 (17.1) | < 0.0001 |
 No | 4582 (78.6) | 4840 (82.9) |  |
License suspension in the past 3 years | |||
 Yes | 1090 (18.7) | 582 (10.0) | < 0.0001 |
 No | 4742 (81.3) | 5258 (90.0) |  |
Tested positive for marijuana | |||
 Yes | 942 (16.1) | 541 (9.2) | < 0.0001 |
 No | 4914 (83.9) | 5315 (90.8) |  |
Tested positive for alcohol | |||
  ≥ 0.01 | 1673 (28.6) | 569 (9.7) | < 0.0001 |
 0.00 | 4183 (71.4) | 5287 (90.3) |  |
Survival status | |||
 Dead | 3253 (55.5) | 2456 (41.9) | < 0.0001 |
 Alive | 2603 (44.5) | 3400 (58.1) |  |