Mood Emot 2014 Jun; 12(2): 128-136  
Depressive Symptoms among a Group of Medical Students : Prevalence, Related Factorsand Moderating Effect by the Positive Psychology
Sang Hoon Kim, MD, PhD1,2, Jung Ho Kim, MA1, Hyung Shik Jung, PhD3, Jong Chul Park, PhD3 and Young Shim Kim, PhD3
1Department of Psychiatry, Chosun University Hospital, Gwangju, Korea
2Department of Psychiatry, School of Medicine, Chosun University, Gwangju, Korea
3Department of Business Administration, College of Business, Chosun University, Gwangju, Korea
Correspondence to: 김상훈, 501-717 광주광역시 동구 필문대로 365 조선대학교병원 정신건강의학과 전화 : (062) 220-3105·전송 : (062) 225-3659 E-mail :
Received: June 19, 2014; Revised: June 23, 2014; Accepted: June 25, 2014; Published online: June 30, 2014.
© Korean Society for Affective Disorders. All rights reserved.

Objectives : This study was undertaken to investigate the prevalence of depressive symptoms and their related factors among a group of medical students.
Method : A total of 874 (529 male and 345 female) medical students were randomly selected to participate in a survey. Depressive symptoms, satisfaction with life, health behavior including alcohol use, stress, sleep disturbance and happiness were collected using self-reported questionnaires.
Results : The prevalence of depressive symptoms was 10.8%. In stepwise multiple regression analysis, lower satisfaction of life, daytime dysfunction due to sleepiness, history of suicidal attempt, stress, sleep disturbance were found to be significant relating factors of depressive symptoms. In moderated regression analysis, the result showed that the impact of life stress were moderated by satisfaction of life on depressive symptoms, but the moderating effect of happiness was not significant.
Conclusion : This study showed considerably high prevalence of depressive symptoms and BDI score in medical students. The findings suggest that early detection of depressive symptoms and intensive mental health promotion program is needed in order to improve medical student’s mental health status.
Keywords: Medical students ㆍDepressive symptoms ㆍPrevalence ㆍRelated factors ㆍModerating effect.

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