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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

From: Prescription opioids, alcohol and fatal motor vehicle crashes: a population-based case-control study

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
  1. aAdjusted for age, sex and region