Skip to main content

Table 1 Crude 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 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
  1. aThere were 52 cases with missing data on blood alcohol concentrations
  2. There were 126 controls with missing data on sex, 297 on age, 7 on blood alcohol concentrations