Objective To explore the risk factors of road traffic crashes (RTCs) involving motorized bicycles and provide scientific evidence for developing RTCs control and prevention programs.
Methods A case-control design was applied in this survey. We collected data via face-to-face interview with motorized bicycle drivers of reported RTCs, near-miss RTCs, and control groups on general information; knowledge, attitude, and behaviors related to road safety; and experience of RTCs or near-miss RTCs in past one year.
Results The study subjects consisted of a RTCs group (n=127), a near-miss RTCs group (n=149), and a control group (n=406). With age controlled, the risk factors for RTCs were lower education level (OR=1.874, 95% CI: 1.110-3.164) and using an inappropriate lane (1.829, 1.071-3.124); and protective factor was Shanghai local residence (0.454, 0.285-0.725). For near-miss RTCs, the risk factors were driving on the wrong-side (1.870, 1.136-3.077) and using an inappropriate lane (1.870, 1.136-3.077); and protective factors were Shanghai local residence (0.468, 0.294-0.743) and sufficient sleeping (0.574, 0.357-0.921).
Conclusion The prevalence of RTCs involving motorized bicycles is modified by lower education level, non-Shanghai local residence, and traffic violation. We should prioritize allocation of safety education/intervention resources in migrant populations with low er education level to promote behavior changes in motorized bicycle riding.
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