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Table 3 Crude and adjusted odds ratio of accident risk (n = 5401)

From: Alcohol, psychoactive substances and non-fatal road traffic accidents - a case-control study

Alcohol Crude OR (95% CI) Adjusted OR (95% CI) 1
No alcohol (referent)   
Alcohol alone 29.0 (11.5- 73.0)** 36.1 (13.2- 98.6)**
Alcohol combined 124.4 (22.5- 688.5)** 231.9 (33.3- 1615.4)**
Positive samples with no alcohol Crude OR (95% CI) Adjusted OR (95% CI) 2
No non-alcohol psychoactive substances (referent)
One psychoactive substance 1.6 (0.5- 5.0)(ns) 1.4 (0.4- 4.4)(ns)
Two psychoactive substances 17.1 (5.6- 52.4)** 13.3 (4.2- 41.3)**
Three or more psychoactive substances 51.4 (11.3- 233.5)** 38.9 (8.2- 185.0)**
  1. Chi-square test: (ns) = Not statistically significant, , ** = P < 0.001.
  2. 1Adjusted for age group and day and time.
  3. 2Adjusted for age group.