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논문 기본 정보

자료유형
학술저널
저자정보
Ryu Seunghyong (Department of Psychiatry, Chonnam National University Medical School, Gwangju, Korea.Gwangju Metropolitan Mental Health Welfare Center, Gwangju, Korea.) Nam Hee Jung (Department of Psychiatry, Seoul Medical Center, Seoul, Korea.) Lee Ju-Yeon (Department of Psychiatry, Chonnam National University Medical School, Gwangju, Korea.) Kim Jae-Min (Department of Psychiatry, Chonnam National University Medical School, Gwangju, Korea.) Kim Sung-Wan (Department of Psychiatry, Chonnam National University Medical School, Gwangju, Korea.Mindlink, Gwangju Bukgu Mental Health Center, Gwangju, Korea.)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.39 No.13
발행연도
2024.4
수록면
1 - 13 (13page)
DOI
10.3346/jkms.2024.39.e125

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초록· 키워드

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Background: Korea has witnessed significant fluctuations in its suicide rates in recent decades, which may be related to modifications in its death registration system. This study aimed to explore the structural shifts in suicide trends, as well as accidental and ill-defined deaths in Korea, and to analyze the patterns of these changes. Methods: We analyzed age-adjusted death rates for suicides, deaths due to transport accidents, falls, drowning, fire-related incidents, poisonings, other external causes, and ill-defined deaths in Korea from 1997 to 2021. We identified change-points using the ‘breakpoints’ function from the ‘strucchange’ package and conducted interrupted time series analyses to assess trends before and after these change-points. Results: Korea’s suicide rates had three change-points in February 2003, September 2008, and June 2012, characterized by stair-step changes, with level jumps at the 2003 and 2008 change-points and a sharp decline at the 2012 change-point. Notably, the 2003 and 2008 spikes roughly coincided with modifications to the death ascertainment process. The trend in suicide rates showed a downward slope within the 2003–2008 and 2008–2012 periods. Furthermore, ill-defined deaths and most accidental deaths decreased rapidly through several change-points in the early and mid-2000s. Conclusion: The marked fluctuations in Korea’s suicide rate during the 2000s may be largely attributed to improvements in suicide classification, with potential implications beyond socio-economic factors. These findings suggest that the actual prevalence of suicides in Korea in the 2000s might have been considerably higher than officially reported.

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