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J Korean Soc Emerg Med > Volume 34(2); 2023 > Article
Journal of The Korean Society of Emergency Medicine 2023;34(2): 121-127.
전좌석 안전벨트 의무화 이후 동승자 교통사고 발생 시 중증손상발생률의 변화
이성오1 , 조진성1,2 , 우재혁1,2 , 최재연1,2 , 장재호1,2 , 최우성1
1가천대 길병원 응급의학과
2가천대학교 의과대학 응급의학교실
Changes in the incidence of severe damage in the event of a passenger traffic accident after the mandatory safety belt for all seats
Sung Oh Lee1 , Jin-Seong Cho1,2 , Jae-Hyug Woo1,2 , Jea Yeon Choi1,2 , Jae Ho Jang1,2 , Woo Sung Choi1
1Department of Emergency Medicine, Gil Medical Center, Incheon, Korea
2Department of Emergency Medicine, Gachon University College of Medicine, Incheon, Korea
Correspondence  Jin-Seong Cho ,Tel: 032-460-3901, Fax: 032-460-3019, Email: jinseongcho@gmail.com,
Received: June 29, 2022; Revised: August 24, 2022   Accepted: September 5, 2022.  Published online: April 30, 2023.
In September 2018, the traffic law revision has enforced all passengers in cars to wear seatbelts. Our study aims to investigate the effects of this law revision on fellow passengers involved in car accidents by considering their seatbelt-wearing rate and severity score.
This study is a retrospective observational study. Data were collected from the Emergency Department-based Injury in-depth Surveillance (for the years 2017 and 2019), Korea Disease Control and Prevention Agency. Candidates were patients who visited emergency rooms (ERs) of 23 hospitals from January to December in the years 2017 and 2019. Patients under the age of 15 years or without Excess Mortality Ratio-adjusted Injury Severity Score (EMR-ISS) data or having accidents on highways were excluded.
The total number of patients who visited ERs during the study periods was 91,506 and 14,806 in 2017 and 2019, respectively, and were included in our study. There were more fellow female passengers than male passengers during both the study periods: 5,559 in 2017 (67.9%) and 4,341 in 2019 (66.8%). Compared to 52.2% in 2017, the rate of wearing seatbelts increased to 54.5% in 2019. However, after adjusting for age, sex, use of ambulance, injury time, alcohol use, type of road, and counterpart, multivariate logistic regression revealed that compared to the 2017 group, the odds ratio of severe injuries in the 2019 group was 1.10 (95% confidence interval, 0.98-1.24).
Increased rate of wearing seatbelts after imposing the traffic law revision was not satisfactory. Therefore, it is necessary to tighten regulations on fellow passengers without seat belts and improve awareness through public relations.
Key words: Seat belts; Traffic accidents; Injury severity score
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