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Alcohol and drug use in suicidal behaviour
Guilherme Borges1, Claudia Rafful Loera
1National Institute of Psychiatry, Mexico City, Mexico. guibor@imp.edu.mx
Current Opinion in Psychiatry
|March 24, 2010
Summary
Individuals with substance use disorders have a significantly higher risk of suicidal behavior. Alcohol and drug use disorders are linked to increased odds of suicidal ideation and attempts, with alcohol intoxication prior to an attempt posing the highest risk.
Area of Science:
- Psychiatry
- Public Health
- Epidemiology
Background:
- Substance use disorders are prevalent globally.
- Suicidal behavior poses a significant public health challenge.
- Understanding the interplay between substance use and suicidality is crucial.
Purpose of the Study:
- To synthesize existing research on the risk of suicidal behavior (ideation, plan, attempt) in individuals with substance use disorders.
- To examine the immediate risk associated with acute alcohol and drug consumption preceding a suicide attempt.
Main Methods:
- Systematic review and meta-analysis of epidemiological studies.
- Analysis of risk estimates from general population samples.
- Inclusion of studies controlling for treatment selection bias and psychiatric comorbidity.
Main Results:
- Alcohol use disorders were associated with increased odds of suicidal ideation (OR 2.0-2.5) and attempts (OR 2.6-3.7).
- Drug use disorders showed increased odds for ideation (OR 2.3-3.0) and attempts (OR 2.0-4.0).
- Alcohol consumption immediately prior to a suicide attempt significantly elevated risk (OR 6.2-9.6).
Conclusions:
- Substance use disorders play a causal role in the development of suicidal behavior.
- The immediate impact of alcohol and drug use as triggers for suicidal behavior requires further investigation.
- Limited data exists on the role of specific substances other than alcohol in proximal triggering of suicidal behavior.
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