ORs for responsible road traffic crashes by number of level 2 and/or level 3 medicines used.

aORs adjusted for age, gender, socioeconomic category, year, month, day of week, time of day, location, vehicle type, alcohol level, and injury severity.*p0.001 (still significant after Bonferroni correction).**p0.0001.

调整后优势比（adjusted Odds Ratios，aORs）经年龄、性别、社会经济类别、年份、月份、星期、当日时刻、事发地点、车辆类型、酒精含量及损伤严重程度校正。*p<0.001（经邦费罗尼校正后仍具有统计学显著性）；**p<0.0001。