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01.12.2014 | Research | Ausgabe 1/2014 Open Access

International Journal of Mental Health Systems 1/2014

Factors associated with choice of high lethality methods in suicide attempters: a cross-sectional study

Zeitschrift:
International Journal of Mental Health Systems > Ausgabe 1/2014
Autoren:
Sang Hoon Oh, Kyoung Uk Lee, Soo Hyun Kim, Kyu Nam Park, Young Min Kim, Han Joon Kim
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1752-4458-8-43) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

SHO and HJK conceived the study. SHK, KNP, and YMK collected the data. KUL provided statistical advice and analyzed the data. SHO drafted the manuscript, and all authors read and approved the final manuscript.

Abstract

Background

Most attempted suicides have a low lethality, but hanging, drowning, and jumping from a great height have a high risk of completed suicide. The aim of this study was to assess the sociodemographic profiles of patients who attempted suicide using high lethality methods relative to all other methods of attempted suicide.

Methods

We retrospectively investigated all attempted suicides treated at a tertiary university hospital in Seoul between January 2008 and February 2012. The following variables were considered: the patients’ attempted suicide methods, age, sex, history of attempted suicides, previous psychiatric history, occupation, and living conditions. The suicide methods were categorized into two groups: high lethality (e.g., hanging, falling, and drowning) and low lethality methods (e.g., self-poisoning and cutting). We investigated risk factors related to the choice of high lethality methods.

Results

A total of 560 patients were enrolled in this study. Deliberate self-poisoning was the most common method of attempted suicide (61.6%), followed by cutting (22.5%), hanging (10.4%), falling (4.1%), and drowning (1.4%). In logistic regression analyses, odds ratios for the choice of high lethality methods were 1.02 (95% CI = 1.01 to 1.03, p < .01), 7.22 (95% CI = 3.06 to 17.04, P < .01), and 0.59 (95% CI = 0.35 to 0.99, p = .04) for age, previous attempted suicide with a high lethality method, and alcohol co-ingestion, respectively.

Conclusions

Our findings indicated that age and past attempted suicide using a high lethality method are associated with the use of high lethality methods for attempting suicide.
Zusatzmaterial
Authors’ original file for figure 1
13033_2014_224_MOESM1_ESM.tif
Authors’ original file for figure 2
13033_2014_224_MOESM2_ESM.tif
Literatur
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