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Cited by 157Suicide and Self-Harm StudiesHomicide, Infanticide, and Child AbuseMental Health Treatment and Access

The impact of psychiatric illness on suicide: Differences by diagnosis of disorders and by sex and age of subjects

Qin, Ping·2011·Journal of Psychiatric Research
DOI 10.1016/j.jpsychires.2011.06.002
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Abstract

People with a psychiatric illness are at high risk for suicide; however, variation of the risk by patients' sex and age and by specific diagnosis needs to be explored in a more detail. This large population study systematically assesses suicide incidence rate ratio (IRR) and population attributable risk (PAR) associated with various psychiatric disorders by comparing 21,169 suicides in Denmark over a 17-year period with sex-age-time-matched population controls. The study shows that suicide risk is significantly increased for persons with a hospitalized psychiatric disorder and the associated risk varies significantly by diagnosis and by sex and age of subjects. Further adjustment for personal socioeconomic differences eliminates the IRRs associated with various disorders only to a limited extend. Recurrent depression and borderline personality disorder increase suicide risk the strongest while dementia increases the risk the least for both males and females. The influence of various disorders generally weakens with increasing age; however, there are important exceptions. Schizophrenia affects people aged ≤35 years the strongest in terms of both IRR and PAR. Recurrent depression increases suicide risk particularly strong in all age groups and the associated PAR increases steadily with age. Borderline personality disorder has a strong effect in young people, especially those ≤35 years. Alcohol use disorder accounts the highest PAR of suicides in males of 36-60 years old. For the elderly above 60 years old, reaction to stress and adjustment disorder increases the risk for suicide the most in both sexes. These findings suggest that approaches to psychiatric suicide prevention should be varied according to diagnosis and sex and age of subjects.

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Authors
Qin, P.
Affiliations
Aarhus University (DK)
Corresponding author
Qin, Ping
ORCID
Qin, Ping
Venue
Journal of Psychiatric Research
Publisher
Elsevier BV
Published
2011-11
Volume
45
Issue
11
Pages
1445-1452
ISSN
0022-3956 (ISSN-L)
DOI
10.1016/j.jpsychires.2011.06.002
OpenAlex
W2112970068
Cited by
157
References
45
Citations by year
2026: 10 · 2025: 11 · 2024: 17 · 2023: 10 · 2022: 7 · 2021: 14 · 2020: 13 · 2019: 6 · 2018: 9 · 2017: 8 · 2016: 8 · 2015: 10 · 2014: 8 · 2013: 21 · 2012: 3
FWCI
11.71
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Journal of Psychiatric Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Sundhedsstyrelsen
Topics
  • Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
  • Social Sciences › Sociology and Political Science › Homicide, Infanticide, and Child Abuse
  • Social Sciences › Psychology › Social Psychology › Mental Health Treatment and Access
Keywords
suicide, mental illness, suicide risk, incidence rate ratio, population attributable risk, sex differences, age differences, recurrent depression, borderline personality disorder, schizophrenia, alcoholism, adjustment disorder, dementia, suicide prevention, socioeconomic adjustment
MeSH terms
Adult, Aged, Aging, Mental Disorders, Denmark, Diagnosis, Differential, Female, Follow-Up Studies, Humans, Male, Middle Aged, Risk Factors, Sex Factors, Suicide, Prevalence, Case-Control Studies

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