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Long-term Suicide Risk in No, One or More Mental Disorders: the Lundby Study 1947-1997

Overview
Specialty Psychiatry
Date 2015 Sep 25
PMID 26402416
Citations 31
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Abstract

Objective: To investigate long-term suicide risk in individuals with no, one or more mental disorders.

Method: In the Lundby Study, involving a total population of 3563 subjects, mental health and suicide risk were monitored over 54-64 years.

Results: The long-term suicide risk in subjects with no, one, or more mental disorders was 0.3%, 3.4% and 6.2% respectively. For individuals with only depression, the risk was 6.0%, only alcohol use disorder 4.7%, and only psychosis 3.1%. However, when individuals had additional disorders, the suicide risks were 6.6%, 9.4% and 10.4% respectively. Each diagnosis per se was significantly related to increased risk of suicide. Men had a higher suicide risk in depression than women. Men who had alcohol use disorder in addition to depression showed a very high risk of suicide, 16.2%.

Conclusion: Long-term suicide risk was increased for depression, alcohol use disorder, and psychosis per se. For the latter two the diagnosis alone there may be a lower risk than previously estimated when there is no additional diagnosis. In men, depression in addition to alcohol use disorder should be treated vigorously in the work to prevent suicide.

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