Objective To understand the prevalence and related influence factors of unsafe driving behaviors among residents in Guangzhou City, and provide information for establishing road traffic safety prevention and control policy. Methods Multi-stage random sampling method was used for selecting the sample, and 6987 residents aged 15-69 years old from 12 counties or districts in Guangzhou were enrolled. A questionnaire was used to collect unsafe driving behaviors and related influence factors in last 30 days. Results In last 30 days, the rates of driving without seatbelt, drinking driving, fatigue driving and driving without license were 15. 0% , 13.6%, 16.3% and 11.0%, respectively. Multiple logistic regression results showed that rural areas ( OR = 2. 4) , low education level ( OR = 2. 4 ) were risk factors of driving without seatbelt. Frequency of driving without seatbelt in Group aged 35 ( OR = 0. 4) was lower than that in Group aged55-69. Male (OR =5. 2) , drinkers (OR = 13. 6) , rural areas ( OR = 2.0), smokers ( OR = 1. 8) were risk factors of drunk driving, and life and work pressure was ( OR = 0. 1 ) protect factor of drunk driving. Male ( OR = 7. 0) , smokers ( OR = 1.6) were risk factors of fatigue driving. Frequencies of fatigue driving in drivers with junior high school ( OR = 2. 6 ) or high school / technical secondary school ( OR = 1.8) were higher than that of drivers with college or above. Rural area ( OR — 0. 4) was protect factors of fatigue driving. Low education level ( OR — 8. 8 ) was risk factor of driving without license, male was protect factor ( OR = 0. 4 ). Frequencies of driving without license in Group aged 25 ( OR = 0. 2 ) and Group aged 35 (OR=0. 4) was slower than those in Group aged 55 -69. Conclusion Unsafe driving behaviors are common in Guangzhou City, the supervision of fatigue driving and drunk driving should be strengthened and the unsafe driving behaviors among aged people should not be ignored.%目的 了解广州市居民不安全驾驶行为流行情况及影响因素,为制定道路交通安全防控政策提供依据.方法 采用多阶段随机抽样,对广州市12个区/县级市6987名15～69岁常住人口进行入户面访.调查过去30天里曾驾驶机动车的人是否有不安全驾驶行为及相关因素.结果 调查对象在过去30天里,不戴安全带、酒后驾驶、疲劳驾驶、无证驾驶的分别为15.0％、13.6％、16.3％和11.0％.多因素非条件Logistic回归分析发现,农村(OR=2.4)、文化程度低(OR=2.4)是不戴安全带的危险因素,35 ～44岁组(OR=0.4)不戴安全带发生率低于55 ～ 69岁组；男性(OR=5.2)、饮酒(OR=13.6)、农村(OR=2.0)、吸烟者(OR=1.8)是酒后驾驶的危险因素,生活和工作压力小(OR=0.1)是保护因素；男性(OR =7.0)、吸烟者(OR=1.6)是疲劳驾驶的危险因素,农村(OR=0.4)是保护因素,初中(OR =2.6)和高中/中专(OR=1.8)的疲劳驾驶率高于大专以上学历；文化程度低(OR=8.8)是无证驾驶的危险因素,男性(OR =0.4)是保护因素,25～34岁组(OR=0.2)和35～44岁组(OR=0.4)无证驾驶率低于55 ～ 69岁组.结论 广州市不安全驾驶行为较普遍；应加大力度监管疲劳驾驶和酒后驾驶；中老年人不安全驾驶行为不容忽视.
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