Psychiatry Investig.  2016 Nov;13(6):601-608. 10.4306/pi.2016.13.6.601.

Evaluation of a Functional Model of Acquired Capability for Suicide in a Nationwide Sample of Korean Adults

Affiliations
  • 1Department of Psychology, Seoul National University, Seoul, Republic of Korea.
  • 2Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Seoul, Republic of Korea.
  • 3Department of Psychiatry, University of Ulsan College of Medicine, Ulsan University Hospital, Ulsan, Republic of Korea.
  • 4Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea. suhurhong@gmail.com

Abstract


OBJECTIVE
We examined a functional model of acquired capability for suicide, which was elaborated from the "Interpersonal-Psychological Theory of Suicide".
METHODS
A total of 6,027 Korean community subjects were recruited from The Korean Epidemiologic Catchment Area study conducted in 2011. The subjects were assessed systematically using the Korean version of the Composite International Diagnostic Interview version 2.1, the Korean version of the Barratt Impulsiveness Scale, and the Korean version of the Mood Disorder Questionnaire. We used structural equation modeling to identify potential factors contributing to a suicide attempt.
RESULTS
Most aspects of the model were supported by the data and "the short-term enhancer for the acquired capability for suicide" had direct effects on suicide attempts. However, the suicidal planning effects of "the short-term enhancer for the acquired capability for suicide" were eliminated by the rule of parsimony.
CONCLUSION
The main finding was that "the short-term enhancer for the acquired capability for suicide" is relevant to suicide attempts when it's direct, indirect, and reciprocal effects are tested within a more complete system of relationships than found in existing studies. The implications of these findings are discussed with regard to future conceptual work and empirical research.

Keyword

Suicide; Acquired capability; Suicidal ideation; Suicidal attempt; Model of suicide; Community sample

MeSH Terms

Adult*
Empirical Research
Humans
Mood Disorders
Suicidal Ideation
Suicide*
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