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Psychiatry Res. 2013 Dec 30;210(3):945-50. doi: 10.1016/j.psychres.2013.08.037. Epub 2013 Sep 20.

Factors associated with suicide method among psychiatric patients in a general hospital in Korea.

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Division of Child and Adolescent Psychiatry, Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea.


This study aims to highlight the factors associated with suicide method among psychiatric patients in a general hospital in Korea. In a sample of 467 suicides by patients who had received mental health care in a general hospital in Korea, the relationship between suicide method and time of death as well as clinical characteristics, including psychiatric adiagnosis, was examined using multinomial logistic regression analysis. Compared with the general population, psychiatric patients, regardless of disorder, committed suicide by jumping from heights more often than by hanging (OR=2.35-8.64). In particular, patients with psychotic disorders and female patients were more likely to use jumping from a height than hanging to kill themselves (OR=2.98 and 1.83, respectively). Patients were more likely to use suicide methods other than hanging (e.g., OR=6.7 for jumping, 5.3 for drowning, and 2.7 for self-poisoning) between midnight and dawn. Possible suicide-prevention strategies suggested by this study include limiting access to or fencing off tall structures in close proximity to psychiatric institutions and residential care homes. At night, limiting access to or instituting heightened supervision of tall structures is specifically indicated.


Diagnosis; Mental disorder; Method; Suicide

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