From: Prescription opioids, alcohol and fatal motor vehicle crashes: a population-based case-control study
Driver Characteristicsa | Cases, % | Controls, % | Crude OR | 95% CI |
---|---|---|---|---|
(n = 3606) | (n = 15,600) | |||
Age, years | ||||
 16–24 | 27.7 | 28.6 | 1.04 | 0.95, 1.14 |
 25–39 | 32.0 | 32.6 | 1.05 | 1.00, 1.15 |
 40–64 | 31.3 | 33.4 | 1.00 | reference |
 ≥ 65 | 9.0 | 5.4 | 1.80 | 1.56, 2.07 |
Sex | ||||
 Female | 19.2 | 40.8 | 1.00 | reference |
 Male | 80.8 | 59.2 | 2.90 | 2.65, 3.17 |
Region | ||||
 West | 22.2 | 22.5 | 1.00 | reference |
 Midwest | 22.6 | 27.9 | 0.82 | 0.73, 0.91 |
 Southern | 38.4 | 33.9 | 1.14 | 1.04, 1.26 |
 Northeast | 16.8 | 15.7 | 1.08 | 0.99, 1.21 |
Blood alcohol concentration (BAC, g/dl) | ||||
 <0.01 | 43.8 | 92.9 | 1.00 | reference |
 0.01–0.07 | 7.0 | 5.7 | 2.63 | 2.27, 3.06 |
 ≥ 0.08 | 49.2 | 1.4 | 74.72 | 64.31, 86.81 |
Prescription opioids | ||||
 Negative | 95.0 | 96.3 | 1.00 | reference |
 Positive | 5.0 | 3.7 | 1.36 | 1.14, 1.61 |