Objective To analyze the epidemic characteristics of road traffic injuries in Haishu District of Ningbo City and to provide evidence for effective prevention strategies.
Methods Based on the "Ningbo Inpatient Injury Monitoring Report Card"， we analyzed the epidemiological characteristics and the influencing factors of hospitalization expenses using the road traffic injuries cases collected from 2015-2019 of Haishu District were analyzed.
Results The ratio of male to female was 1.46∶1 among the 8 543 cases. Most cases were between 25 to 64 years old. There were 83.09% cases had junior high school education or below. The top three occupations in the cases were preschoolers， transportation workers， and retired people. Road traffic injuries occurred more frequently in spring for preschoolers and in summer vacation for school-age children. Motor vehicle accidents caused more serious injuries than non-motor vehicle accidents （χ 2=59.069， P<0.001）. The economic burden caused by the traffic injuries was heavy. The main influencing factors of hospitalization expenses for road traffic injuries were age， gender， severity of injury and the attribute of injury. The median hospitalization cost was 12 400 Yuan， and the interquartile distance was 23 400 Yuan.
Conclusion Road traffic injury not only causes serious bodily injury， but also increases the economic burden of family and society directly or indirectly. Traffic safety education should be carried out for key groups to prevent the occurrence of road traffic injuries.
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