자살예방정책 시행 후 자살률 추세 변화: 제5차 자살예방 기본계획에 대한 단절적 시계열 연구

• 영문명: Changes in Suicide Rate Trend After Implementation of Suicide Prevention Policy: An Interrupted Time Series Study on the Fifth Master Plan for Suicide Prevention
• 발행기관: 대한신경정신의학회
• 저자명: 유승형 백선화 전 민 김하늬 이주연 김재민 김성완
• 간행물 정보: 『신경정신의학』제63권 제4호, 237~245쪽, 전체 9쪽
• 주제분류: 의약학 > 정신과학
• 파일형태: PDF
• 발행일자: 2024.11.30

국문 초록

Objectives: This study examined the shifts in the suicide trends in Korea during the initial phase of the Fifth Master Plan for Suicide Prevention, using interrupted time series analyses. Methods: Interrupted time series analyses were performed using the monthly suicide data from January 2011 to April 2024. Quasi-Poisson regression models were applied to evaluate the changes in the level and slope of the suicide trend before and after policy implementation. The Autoregressive Integrated Moving Average (ARIMA) and Prophet models were used to compare the actual and predicted counterfactual numbers of suicides during the policy period. Results: The quasi-Poisson regression model revealed a significant change in the trend of suicides among men, with an increasing slope during the policy period. For total suicides, the ARIMA and Prophet models suggested that the actual number of suicides was significantly higher than the counterfactual number during the policy period, with excess suicides averaging between 113 and 150 per month. The actual number of suicides among men was significantly higher than the counterfactual number during the policy period, with excess suicides averaging between 86 and 92 per month. No significant changes in the suicide trends among women were observed. Conclusion: These findings suggest that the initial effects of the Fifth Master Plan for Suicide Prevention were inadequate to curb the rising suicide trends, particularly among men. This study underscores the need for timely policy responses to reverse the current increasing trend in suicides, with particular focus on the male population.

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키워드

Suicide Policy Interrupted time series analysis 자살 정책 단절적 시계열 분석