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Table 1 Discrepancies in missing data for drug and alcohol use indicators by selected groups, 2004–2016

From: Challenges in studying statewide pedestrian injuries and drug involvement

  Drug Use Alcohol Use
Variable Odds Ratioa 95% CI p Odds Ratioa 95% CI p
Race (ref: White)b
 Black 0.926 0.83, 1.04 0.182 0.871 0.84, 0.91 < 0.001
 Hispanic 0.608 0.56, 0.67 < 0.001 1.037 1.01, 1.07 0.014
 Asian 0.384 0.30, 0.48 < 0.001 1.133 1.07, 1.20 < 0.001
 “Other” 0.548 0.48, 0.69 < 0.001 1.080 1.01, 1.15 0.017
Sex (ref: Women)b
 Men 1.945 1.78, 2.12 < 0.001 0.896 0.87, 0.92 < 0.001
Age (ref: 19–64)b
 0–18 years 0.170 0.15, 0.20 < 0.001 1.164 1.13, 1.20 < 0.001
 65+ 0.640 0.56, 0.73 < 0.001 1.075 1.03, 1.12 < 0.001
  1. aMeasures the odds of an explicit response: 1 indicates an explicit response (e.g., “had been drinking” or “had not been drinking”); 0 indicates missing data (e.g., “not applicable,” “impairment unknown,” blank)
  2. bControlling for year