Korean Journal of Psychosomatic Medicine (정신신체의학)

Korean Psychosomatic Society (한국정신신체의학회)
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Meteorological Factors Associated with the Number of Emergency Room Patients with Wrist-Cutting Behavior

손목자해로 응급실에 내원한 환자수와 기후인자와의 관련성

  • Han, Jae Hyun (Department of Psychiatry, Kangdong Sacred Heart Hospital) ;
  • Suh, Seung Wan (Department of Psychiatry, Kangdong Sacred Heart Hospital) ;
  • Cho, Gyu Chong (Department of Emergency Medicine, Kangdong Sacred Heart Hospital) ;
  • Kim, Jung Mi (Department of Social Work Team, Kangdong Sacred Heart Hospital) ;
  • Seo, Hong Taek (Department of Social Work Team, Kangdong Sacred Heart Hospital) ;
  • Jung, Yu Jin (Department of Social Work Team, Kangdong Sacred Heart Hospital) ;
  • Seong, Su Jeong (Department of Psychiatry, Kangdong Sacred Heart Hospital) ;
  • Hwang, Jae Yeon (Department of Psychiatry, Kangdong Sacred Heart Hospital) ;
  • Lee, Won Joon (Department of Psychiatry, Kangdong Sacred Heart Hospital)
  • 한재현 (강동성심병원 정신건강의학과) ;
  • 서승완 (강동성심병원 정신건강의학과) ;
  • 조규종 (강동성심병원 응급의학과) ;
  • 김정미 (강동성심병원 사회사업실) ;
  • 서홍택 (강동성심병원 사회사업실) ;
  • 정유진 (강동성심병원 사회사업실) ;
  • 성수정 (강동성심병원 정신건강의학과) ;
  • 황재연 (강동성심병원 정신건강의학과) ;
  • 이원준 (강동성심병원 정신건강의학과)
  • Received : 2020.10.04
  • Accepted : 2020.10.25
  • Published : 2020.12.31
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Abstract

Objectives : Although the seasonality of suicide is a well-known phenomenon, little is reported about the seasonality of non-suicidal self-injury. The purpose of this study was to identify the seasonality of wristcutting behavior and to examine its relationship with meteorological factors. Methods : To identify the presence of seasonality, we investigated whether there was a difference in the average number of visits per month to an emergency room (ER) of an urban hospital for 226 patients with wrist-cutting behavior enrolled between December 2014 and May 2019. To ascertain significant meteorological factors, we used the multiple Poisson regression using generalized additive model with time, monthly temperature, monthly sunshine hour, and atmospheric pressure in the prior month as explanatory variables. Results : In males, the average number of monthly visits to the ER for wrist cutting behavior differed by month and was the highest in September (male : p=0.048, female : p=0.21, total : p=0.28). As a result of multiple regression analysis, the average number of patients admitted to the ER for wrist cutting behavior was related to the interaction between atmospheric pressure in the prior month and temperature in males (p=0.010), and showed a positive correlation with sunlight in females [p=0.044, β=4.70×10-3, 95% CI=(1.19×10-4, 9.27×10-3)]. Conclusions : Wrist cutting behavior shows seasonality in male, which is associated with changes in meteorological variables.

연구목적 자살행동의 계절성은 잘 알려져 있는 현상이지만, 자해행동의 계절성은 알려진 바가 적다. 본 연구는 자해행동 중 하나인 손목자해행동이 계절성을 나타내는지를 확인하고, 기후인자와의 관련성을 파악하고자 했다. 방 법 자해행동의 계절성을 확인하기 위하여 2014. 12~2019. 5까지 일 병원 응급실에 손목자해행동으로 내원한 226명의 대상자의 월별 평균 내원 숫자가 월별로 차이를 나타내는지를 보았다. 손목자해행동과 기후인자와의 관련성을 확인하기 위하여 월 단위 시간변수와 기상청 데이터를 통해 획득한 월별 기후변수(기온, 일조량, 1개월 전 대기압)를 설명변수로 하고, 월 별로 손목자해행동으로 응급실에 내원한 횟수를 결과변수로 하여 일반화 가법모형을 이용한 다중 포아송 회귀분석을 실시하였다. 결 과 손목자해행동으로 응급실에 내원한 대상자의 월 평균 숫자는 남자에서 유의한 월별 차이가 있었고, 9월에 가장 많았다(남자 : p=0.048, 여자 : p=0.21, 전체 : p=0.28). 다중 회귀분석 결과 손목자해로 응급실에 내원한 월 평균 환자의 숫자는 남자에서는 1달전 대기압과 기온의 교호작용과 관련이 있었고(p=0.010), 여자에서는 일조량과 양의 상관관계[p=0.044, β=4.70×10-3, 95% CI=(1.19×10-4, 9.27×10-3)]를 보였다. 결 론 손목자해행동은 남성에서 두드러진 계절성을 보이며, 이는 기후변수의 변화와 관련성이 있다.

Keywords

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