Table 3.
Estimated Odds Ratios (ORs) and 95% Confidence Intervals (CIs) of Fatal Crash Involvement According to Driver Prescription Opioid and Alcohol Testing Results in the Continental United States, Selected Time Periods on Fridays and Saturdays, July 20 through December 1, 2006, 2007, 2008, June 7, 2012 through March 30, 2013 and June 7, 2013 through March 30, 2014
| Testing Result | Crude OR | 95% CI | Adjusted ORa | 95% CI | |
|---|---|---|---|---|---|
| Opioids | Alcohol | ||||
| Negative | Negative | 1.00 | Reference | 1.00 | Reference |
| Positive | Negative | 1.66 | 1.33, 2.08 | 1.72 | 1.37, 2.17 |
| Negative | Positive | 17.12 | 15.62, 18.77 | 17.92 | 16.19, 19.84 |
| Positive | Positive | 22.31 | 1.99, 7.68 | 21.89 | 14.38, 33.32 |
aAdjusted for age, sex and region