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Suicides and serious suicide attempts: two populations or one?
1Canterbury Suicide Project, Christchurch School of Medicine, New Zealand.
Psychological Medicine
|July 19, 2001
Summary
Suicides and serious suicide attempts share common risk factors like mood disorders and past psychiatric treatment. However, suicides are more often male and older, while attempts are linked to anxiety disorders and social isolation.
Area of Science:
- Psychiatry
- Epidemiology
- Public Health
Background:
- Limited research exists on the similarities and differences between suicide and suicide attempt populations.
- Understanding these distinctions is crucial for targeted prevention strategies.
Purpose of the Study:
- To compare individuals who died by suicide with those who made medically serious suicide attempts.
- To identify shared and distinct risk factors for suicidal behavior in these two groups.
Main Methods:
- A case-control study was conducted involving individuals who died by suicide, those with serious suicide attempts, and randomly selected control subjects.
- Data on sociodemographic factors, childhood experiences, psychiatric history, stressful life events, and social interaction were collected from significant others.
Main Results:
- Common risk factors for both suicide and serious attempts include current mood disorder, previous suicide attempts, prior psychiatric treatment, recent psychiatric hospitalization, low income, lack of education, and stressful life events.
- Suicides were more likely to be male, older, and have a current diagnosis of non-affective psychosis.
- Suicide attempts were more likely to involve a current diagnosis of anxiety disorder and social isolation.
Conclusions:
- Suicide and medically serious suicide attempts represent overlapping populations with shared psychiatric features.
- Key differentiating factors include gender, age, and specific psychiatric diagnoses such as non-affective psychosis versus anxiety disorder.