Prevalence of alcohol and drug use in injured British Columbia drivers
Abstract Objectives: Determine the prevalence of drug use in injured drivers and identify associated demographic factors and crash characteristics. Design: Prospective cross-sectional study. Setting: Seven trauma centres in British Columbia, Canada (2010–2012). Participants: Automobile drivers who had blood obtained within 6 h of a crash. Main outcome measures: We analysed blood for cannabis, alcohol and other impairing drugs using liquid chromatography/mass spectrometry (LCMS). Results: 1097 drivers met inclusion criteria. 60% were aged 20–50 years, 63.2% were male and 29.0% were
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