Impact of co-morbid personality disorder on violence in psychosis: report from UK700 trial

P Moran; E Walsh; P Tyrer; T Burns; F Creed; T Fahy

doi:10.1192/bjp.182.2.129

Impact of co-morbid personality disorder on violence in psychosis: report from UK700 trial

P Moran, E Walsh, P Tyrer, T Burns, F Creed, T Fahy

Research output: Contribution to journal › Article › peer-review

128 Citations (Scopus)

Abstract

Background: The impact of comorbid personality disorder on the occurrence of violence in psychosis has not been fully explored. Aims: To examine the association between comorbid personality disorder and violence in community-dwelling patients with psychosis. Method: A total of 670 patients with established psychotic illness were screened for comorbid personality disorder. Physical assault was measured from multiple data sources over the subsequent 2 years. Logistic regression was used to assess whether the presence of comorbid personality disorder predicted violence in the sample. Results: A total of 186 patients (28%) were rated as having a comorbid personality disorder. Patients with comorbid personality disorder were significantly more likely to behave violently over the 2-year period of the trial (adjusted odds ratio=1.71,95% CI 1.05-2.79). Conclusions: Comorbid personality disorder is independently associated with an increased risk of violent behaviour in psychosis.

Original language	English
Pages (from-to)	129 - 134
Number of pages	6
Journal	British Journal of Psychiatry
Volume	182
Issue number	2
DOIs	https://doi.org/10.1192/bjp.182.2.129
Publication status	Published - 1 Feb 2003

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title = "Impact of co-morbid personality disorder on violence in psychosis: report from UK700 trial",

abstract = "Background: The impact of comorbid personality disorder on the occurrence of violence in psychosis has not been fully explored. Aims: To examine the association between comorbid personality disorder and violence in community-dwelling patients with psychosis. Method: A total of 670 patients with established psychotic illness were screened for comorbid personality disorder. Physical assault was measured from multiple data sources over the subsequent 2 years. Logistic regression was used to assess whether the presence of comorbid personality disorder predicted violence in the sample. Results: A total of 186 patients (28%) were rated as having a comorbid personality disorder. Patients with comorbid personality disorder were significantly more likely to behave violently over the 2-year period of the trial (adjusted odds ratio=1.71,95% CI 1.05-2.79). Conclusions: Comorbid personality disorder is independently associated with an increased risk of violent behaviour in psychosis.",

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AU - Moran, P

AU - Walsh, E

AU - Tyrer, P

AU - Burns, T

AU - Creed, F

AU - Fahy, T

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N2 - Background: The impact of comorbid personality disorder on the occurrence of violence in psychosis has not been fully explored. Aims: To examine the association between comorbid personality disorder and violence in community-dwelling patients with psychosis. Method: A total of 670 patients with established psychotic illness were screened for comorbid personality disorder. Physical assault was measured from multiple data sources over the subsequent 2 years. Logistic regression was used to assess whether the presence of comorbid personality disorder predicted violence in the sample. Results: A total of 186 patients (28%) were rated as having a comorbid personality disorder. Patients with comorbid personality disorder were significantly more likely to behave violently over the 2-year period of the trial (adjusted odds ratio=1.71,95% CI 1.05-2.79). Conclusions: Comorbid personality disorder is independently associated with an increased risk of violent behaviour in psychosis.

AB - Background: The impact of comorbid personality disorder on the occurrence of violence in psychosis has not been fully explored. Aims: To examine the association between comorbid personality disorder and violence in community-dwelling patients with psychosis. Method: A total of 670 patients with established psychotic illness were screened for comorbid personality disorder. Physical assault was measured from multiple data sources over the subsequent 2 years. Logistic regression was used to assess whether the presence of comorbid personality disorder predicted violence in the sample. Results: A total of 186 patients (28%) were rated as having a comorbid personality disorder. Patients with comorbid personality disorder were significantly more likely to behave violently over the 2-year period of the trial (adjusted odds ratio=1.71,95% CI 1.05-2.79). Conclusions: Comorbid personality disorder is independently associated with an increased risk of violent behaviour in psychosis.

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Impact of co-morbid personality disorder on violence in psychosis: report from UK700 trial

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