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Clinically significant personality disorders (PD) are common in residential patients. Assessing PD and related traits is crucial for predicting and preventing aggressive and violent behavior.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Forensic Psychology

Background:

  • Personality disorders (PD) and traits are prevalent in residential patient populations.
  • Understanding these traits is vital for managing aggression and violence risk.

Purpose of the Study:

  • To identify clinically significant personality traits and PDs in patients in residential facilities.
  • To examine associations between personality traits/PDs and aggression, impulsivity, hostility, and violent behavior over one year.

Main Methods:

  • Cross-sectional and longitudinal study design.
  • Inclusion of patients with and without a history of violence.
  • Structured Clinical Interview for DSM-IV Axis II diagnosis of PD.

Main Results:

  • Patients with a history of violence showed more antisocial and alcohol dependence features and fewer depressive PD symptoms.
  • Hostility, antisocial symptoms, and drug dependence predicted aggressive and violent behavior.
  • A diagnosis of PD was a significant predictor of future aggression and violence.

Conclusions:

  • Personality disorders are relevant for assessing violent behavior risk in residential patients.
  • Assessment of PDs is essential for planning effective preventive and treatment interventions.
  • Targeting specific traits like hostility and substance dependence may mitigate violent behavior.