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Predictive Factors Associated With Methods of Suicide

The Korean National Investigations of Suicide Victims (The KNIGHTS Study)

Bibliographic Data

ID15525164
AuthorsHyewon Kim (0000-0002-9692-6283, Hanyang University Medical Center), Yuwon Kim, Gusang Lee, Jin Hwa Choi, Vidal Yook (0000-0003-2410-1706, Sungkyunkwan University), Myung‐Hee Shin (0000-0002-0509-286X, Sungkyunkwan University), Hong Jin Jeon (0000-0002-6126-542X, Samsung Medical Center, corresponding author)
Year2021
Volume12
Pages651327-651327
Publication date2021-05-12
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueFrontiers in Psychiatry (JOURNAL)
Journal identifiersISSN: 1664-0640 • E-ISSN: 1664-0640
PublisherFrontiers Media (PUBLISHER • CH)
DOI10.3389/fpsyt.2021.651327
PMID34054610
OpenAlexW3162267348
LanguageEN
References cited8

Background: Because the suicide mortality depends on the lethality of suicide methods, the identification and prediction of suicide methods are important for suicide prevention. Methods: Examination data of suicide decedents were collected based on police reports. Suicide decedents were divided into groups according to the suicide methods (hanging, gas poisoning, pesticide poisoning, jumping, drug poisoning, and drowning) they used. Predictive factors for each suicide method in comparison to other suicide methods were identified. Results: Among 23,647 subjects, hanging was the most common method of suicide. Regarding gas poisoning, the history of previous suicide attempt was a risk factor and being age of 65 or older was a protective factor. Being age of 65 or older showed a highly strong association with suicide by pesticide poisoning. Being age of 18 or younger and the presence of schizophrenia were associated with jumping. A history of psychiatric outpatient treatment was a risk factor for drug poisoning. Regarding suicide by drowning, schizophrenia was a risk factor, while being age of 65 or older was a protective factor. Limitations: Only eight out of a total of 17 regions in South Korea were examined and included in the data of this study. Also, the methods of suicide were defined as one method that directly caused the death, which could undermine other less fatal methods used. Conclusions: There were differences in predictive factors according to the method of suicide. Predicting the method of suicide in people at high risk for suicide stands to be an important strategy for suicide prevention in clinical settings

Injury prevention · Medical emergency · Poison control · Psychiatry · Risk factor · Suicide attempt · Suicide methods · Suicide prevention · Suicide rates · Homicide, Infanticide, and Child Abuse · Medicine · Restraint-Related Deaths · Suicide and Self-Harm Studies · Internal Medicine

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Highly citedNo

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