Effects of urbanisation and seasons on the relationship between frozen road conditions and road traffic injury: a longitudinal study of national emergency medical service data in South Korea.

IF 2.5 3区 医学 Q2 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Injury Prevention Pub Date : 2024-12-04 DOI:10.1136/ip-2024-045327
Jun Hee Won, Jaehong Yoon, Joo Jeong, Younshik Chung, Sangjin Han, Young Sun Ro, Ja-Ho Leigh
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Abstract

Background: Frozen road conditions could be a factor in road traffic injuries, and seasonality and urbanisation level are potential influencing factors. However, few studies have considered this relationship. Therefore, we examined the effect of frozen road conditions on road traffic injury rates and the differences across seasons and urbanisation levels.

Methods: We used nationwide data on road traffic injuries and weather from the National Emergency Medical Service Run Sheet and the Korea Meteorological Administration, respectively, from 2018 to 2021. We analysed the relationship between frozen road conditions and road traffic injuries by administrative district and day using a generalised estimating equation with log link function and Poisson distribution, stratified by season and urbanisation level.

Results: After excluding summer, the analysis of 605 254 road traffic injury cases revealed a higher road crash incidence under frozen road conditions, with injuries increasing by 30% (rate ratio (RR): 1.33, 95% CI: 1.30 to 1.37). The relationship between road traffic injury rate and frozen road conditions varied significantly by season and urbanisation level. The stratification analysis showed that the relationship between these two variables was significant in the fall (RR: 2.07, 95% CI: 1.74 to 2.46) and winter (RR: 1.37, 95% CI: 1.34 to 1.40). Furthermore, the road traffic injury rate was higher on frozen road conditions in urban (RR: 1.24, 95% CI: 1.19 to 1.29) and rural areas (RR: 1.47, 95% CI: 1.42 to 1.51), not in metropolitan areas.

Conclusion: The road traffic injury rate increased under frozen road conditions and varied by season and urbanisation level. These findings indicate the need for road safety strategies tailored according to season and urbanisation level.

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城市化和季节对冰冻道路状况与道路交通伤害关系的影响:韩国国家紧急医疗服务数据的纵向研究
背景:冰冻路况可能是道路交通伤害的一个因素,季节性和城市化水平是潜在的影响因素。然而,很少有研究考虑到这种关系。因此,我们研究了冰冻道路状况对道路交通伤害率的影响,以及不同季节和城市化水平的差异。方法:我们分别使用了2018年至2021年国家紧急医疗服务运行表和韩国气象局的全国道路交通伤害和天气数据。本文采用具有对数联系函数和泊松分布的广义估计方程,按季节和城市化水平分层,分析了道路冰冻状况与道路交通伤害之间的关系。结果:排除夏季因素后,605254例道路交通伤害病例分析显示,冰冻路面下道路交通事故发生率较高,伤害发生率增加30% (RR: 1.33, 95% CI: 1.30 ~ 1.37)。道路交通伤害率与道路冰冻状况的关系因季节和城市化程度的不同而有显著差异。分层分析显示,这两个变量之间的关系在秋季(RR: 2.07, 95% CI: 1.74 ~ 2.46)和冬季(RR: 1.37, 95% CI: 1.34 ~ 1.40)具有显著性。此外,道路交通伤害率在城市(RR: 1.24, 95% CI: 1.19至1.29)和农村(RR: 1.47, 95% CI: 1.42至1.51)的冰冻道路条件下更高,而在大都市地区则不然。结论:冰冻路面下道路交通伤害率呈上升趋势,且随季节和城市化程度的不同而不同。这些发现表明,需要根据季节和城市化水平制定适合的道路安全战略。
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来源期刊
Injury Prevention
Injury Prevention 医学-公共卫生、环境卫生与职业卫生
CiteScore
5.30
自引率
2.70%
发文量
68
审稿时长
6-12 weeks
期刊介绍: Since its inception in 1995, Injury Prevention has been the pre-eminent repository of original research and compelling commentary relevant to this increasingly important field. An international peer reviewed journal, it offers the best in science, policy, and public health practice to reduce the burden of injury in all age groups around the world. The journal publishes original research, opinion, debate and special features on the prevention of unintentional, occupational and intentional (violence-related) injuries. Injury Prevention is online only.
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