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논문 기본 정보

자료유형
학술저널
저자정보
Nam Hee Jung (Department of Psychiatry Seoul Medical Center) Sim Hyun-Bo (Department of Psychiatry Seoul Medical Center) Lee Ju-Yeon (Department of Psychiatry Chonnam National University Medical School) Kim Sung-Wan (Department of Psychiatry Chonnam National University Medical School) Kim Jae-Min (Department of Psychiatry Chonnam National University Medical School) Ryu Seunghyong (Department of Psychiatry Chonnam National University Medical School Gwangju Korea.)
저널정보
대한신경정신의학회 PSYCHIATRY INVESTIGATION PSYCHIATRY INVESTIGATION 제19권 제4호
발행연도
2022.4
수록면
320 - 325 (6page)
DOI
10.30773/pi.2021.0387

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초록· 키워드

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Objective This study aimed to investigate the changing seasonal pattern of suicides in Korea between 2000 and 2019.Methods We calculated a seasonal pattern of suicides between 2000 and 2019 using a non-stationary cosinor model. In addition, we estimated the effect of each month on the suicide incidence compared to a reference month, using a generalized linear model with a categorical variable of the month. Then, we visualized the rate ratio curves of suicides by gender, age group, and subperiod.Results We observed a seasonal pattern of suicides in Korea with a spring peak and a winter trough. The seasonal ups and downs were most pronounced in suicides among the elderly ≥65 years. However, the seasonal pattern has not been consistent over the past two decades, with lowering seasonal peaks since 2012. The amplitude of seasonality was also lower in 2010?2019 than in 2000?2009.Conclusion The seasonal pattern of suicides seems to have diminished in Korea in recent years. Thus, we need further studies to investigate climatic and non-climatic factors influencing the seasonality of suicides and the consequence of the change.

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