From: Interaction of marijuana and alcohol on fatal motor vehicle crash risk: a case–control study
Characteristic | % of casesa (n = 1944) | % of controlsb (n = 7719) | Crude OR | 95% CI |
---|---|---|---|---|
Age (years) | ||||
16–24 | 29.7 | 28.7 | 1.20 | 1.05, 1.36 |
25–39 | 33.2 | 32.0 | 1.20 | 1.06, 1.36 |
40–64 | 29.5 | 34.2 | 1.00 | |
≥ 65 | 7.6 | 5.1 | 1.70 | 1.38, 2.10 |
Sex | ||||
Female | 17.3 | 39.8 | 1.00 | |
Male | 82.7 | 60.2 | 3.16 | 2.79, 3.58 |
Blood alcohol concentration (g/dL) | ||||
0.00 | 42.2 | 92.3 | 1.00 | |
0.01–0.07 | 7.2 | 5.9 | 2.65 | 2.16, 3.25 |
≥ 0.08 | 50.6 | 1.8 | 63.14 | 52.01, 76.65 |
Marijuana | ||||
Negative | 87.8 | 94.1 | 1.00 | |
Positive | 12.2 | 5.9 | 2.21 | 1.87, 2.60 |