Table 2 Adjusted Odds Ratios (ORs) and 95% Confidence Intervals (CIs) of Fatal Crash Involvement according to Driver Characteristics in the Continental United States, Selected Time Periods on Fridays and Saturdays, July 20 through December 1, 2006, 2007, 2008, and June 7, 2012 through March 30, 2013 and June 7, 2013 through March 30, 2014
From: Prescription opioids, alcohol and fatal motor vehicle crashes: a population-based case-control study
Driver characteristic | Adjusted OR | 95% CI |
|---|---|---|
Age, years | ||
 16–24 | 0.85 | 0.74, 0.96 |
 25–39 | 0.68 | 0.60, 0.78 |
 40–64 | 1.00 | reference |
 ≥ 65 | 2.81 | 2.37, 3.33 |
Sex | ||
 Female | 1.00 | reference |
 Male | 2.06 | 1.84, 2.31 |
Region | ||
 West | 1.00 | reference |
 Midwest | 0.81 | 0.70, 0.94 |
 Southern | 1.06 | 0.93, 1.21 |
 Northeast | 0.70 | 0.59, 0.83 |
Blood alcohol concentration (BAC, g/dl) | ||
<0.01 | 1.00 | reference |
 0.01–0.07 | 2.59 | 2.20, 3.06 |
 ≥ 0.08 | 80.09 | 68.21, 94.04 |
Prescription opioids | ||
 Negative | 1.00 | reference |
 Positive | 1.71 | 1.37, 2.14 |