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Predicting future suicide attempts among depressed suicide ideators: a 10-year longitudinal study
Alexis M May1, E David Klonsky, Daniel N Klein
1Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver BC, Canada V6T 1Z4.
Journal of Psychiatric Research
|May 12, 2012
Summary
Comorbid cluster B personality disorder uniquely predicts future suicide attempts in depressed individuals with suicidal ideation. This finding aids in identifying high-risk patients for suicide prevention.
Area of Science:
- Psychiatry
- Clinical Psychology
- Public Health
Background:
- Suicidal ideation and attempts represent a significant public health concern.
- Existing research identifies numerous risk factors for suicidality but struggles to pinpoint individuals most likely to transition from ideation to attempts.
Purpose of the Study:
- To identify predictors of future suicide attempts in psychiatric patients experiencing suicidal ideation.
- To determine which risk factors uniquely predict the progression from suicidal thoughts to suicide attempts.
Main Methods:
- A 10-year longitudinal study of 49 individuals diagnosed with major depressive disorder and/or dysthymic disorder who reported suicidal ideation at baseline.
- Assessment of demographic, psychological, personality, and psychosocial factors using validated instruments.
- Statistical analyses including correlation and logistic regression to identify prospective predictors of suicide attempts.
Main Results:
- Six significant predictors of future suicide attempts were identified: cluster A personality disorder, cluster B personality disorder, lifetime substance abuse, baseline anxiety disorder, poor maternal relationship, and poor social adjustment.
- Comorbid cluster B personality disorder emerged as the sole robust and unique predictor of future suicide attempts among the studied cohort.
Conclusions:
- Cluster B personality disorder is a critical factor in predicting suicide attempts among depressed individuals with suicidal ideation.
- Findings enhance clinical assessment of suicide risk and contribute to theoretical models of suicidality.
- Further research is needed to identify additional variables predicting the transition from suicidal thoughts to attempts.
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