Forensic analysis of suicide deaths: Comparing forensic information with public information and investigating factors contributing to psychiatric consultations

Author:

Murakami Ryu12ORCID,Kamikubo Atsushi13,Morioka Daigo1ORCID,Kuroki Hisanaga23

Affiliation:

1. Faculty of Emergency Medical Science Meiji University of Integrative Medicine Nantan Kyoto Japan

2. Graduate School of Risk and Crisis Management Chiba Institute of Science Chiba Japan

3. Osaka Prefectural Medical Examiner's Office Osaka Japan

Abstract

AbstractAimThis study aimed to examine the usefulness of forensic information on suicide deaths in Japan for epidemiological studies on suicide and determine the factors that lead people with suicidal ideation to seek psychiatric care prior to attempting suicide.MethodsWe focused on forensic information of 514 suicide deaths that occurred in Osaka City in 2019. First, to examine whether the data used in this study can be generalized to these cases, we compared the information on suicide deaths officially published by Osaka City with that used in this study, utilizing Pearson's χ2 test. Next, the forensic data were analyzed using multivariate logistic regression analysis to confirm the relationship between demographic factors and the likelihood of having a history of psychiatric consultation before suicide.ResultsBoth the official information and the data used in this study showed a higher number of males than females who died by suicide, with no significant differences in values between the data sets. Multivariate logistic regression analysis showed significant correlations. More females were associated with seeking a psychiatric consultation. However, those with regular jobs or students were more likely to avoid a psychiatric consultation.ConclusionThe findings of this study provide insights into the phenomenon of suicide deaths by using a forensic perspective. The results of this study suggest that psychiatric consultation may be effective in reducing deaths by suicide. Forensic data should be incorporated into the formulation of suicide‐prevention policies in Japan to conduct a more multifaceted analysis and improve suicide‐prevention measures.

Funder

Japan Society for the Promotion of Science

Publisher

Wiley

Reference47 articles.

1. Ministry of Health Labour and Welfare. White Paper on Suicide Prevention. Ministry of Health Labor and Welfare.2022[cited 2023 Sept 15]. Available from: [https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/hukushi_kaigo/seikatsuhogo/jisatsu/jisatsuhakusyo2022.html

2. Issues with suicide databases in forensic research

3. Accidents and undetermined deaths: re-evaluation of nationwide samples from the Scandinavian countries

4. [Suicide due to mental diseases based on the Vital Statistics Survey Death Form];Takizawa T;[Nihon koshu eisei zasshi] JPN J Public Health,2012

5. Psychosocial and psychiatric characteristics of suicide completers with psychiatric treatment before death: A psychological autopsy study of 76 cases

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