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Delusions and suicidality.

M F Grunebaum1, M A Oquendo, J M Harkavy-Friedman

  • 1Mental Health Clinical Research Center for the Study of Suicidal Behavior, Department of Neuroscience, New York State Psychiatric Institute, NY 10032, USA. mgrunebaum@neuron.cpmc.columbia.edu

The American Journal of Psychiatry
|May 1, 2001
PubMed
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This study found no link between delusions and suicide attempts in patients with major depression, schizophrenia, or bipolar disorder. Delusions did not differentiate individuals with or without a history of suicide attempts.

Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Mental Health Research

Background:

  • Delusions are a potential risk factor for suicidal behavior.
  • Previous research has not clearly defined the relationship between specific delusion types and suicidal behaviors.

Purpose of the Study:

  • To investigate the association between specific delusion types and suicidal behaviors.
  • To compare clinical characteristics of patients with mood disorders and schizophrenia with and without a history of suicide attempts.

Main Methods:

  • A cohort of 429 psychiatric patients (ages 14-72) underwent structured clinical interviews.
  • Axis I and II diagnoses, psychiatric symptoms, suicide attempt history, and overall functioning were assessed.
  • Data were analyzed for subgroups: major depression (223), schizophrenia (150), and bipolar disorder (56).

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Main Results:

  • Multivariate analyses revealed no significant relationship between delusions and suicidal ideation or attempts across diagnostic groups.
  • No evidence was found linking the presence of delusions to a history of suicide attempts in any subgroup.

Conclusions:

  • The study did not establish delusions as a distinguishing factor for individuals with or without a history of suicide attempts.
  • Further research may be needed to explore other potential predictors of suicidal behavior in these patient populations.