ORs for responsible road traffic crashes in users of prescribed medicines.

Reference group, drivers not exposed to medicines of the risk level considered.aCrude ORs.bModel computed for the 62,766 drivers with no missing values for the adjustment variables.cORs adjusted for age, gender, socioeconomic category, year, month, day of week, time of day, location, vehicle type, alcohol level, injury severity and other level medicines.dORs adjusted for age, gender, socioeconomic category, year, month, day of week, time of day, location, vehicle type, alcohol level, injury severity, long-term chronic diseases, and other level medicines.*p0.01.**p0.001.***p0.0001.