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Assessment of posttraumatic symptoms in patients with first-episode psychosis

Schäfer, Ingo and Morgan, Craig and Demjaha, Arsime and Morgan, Kevin D. and Dazzan, Paola and Fearon, Paul and Jones, Peter B. and Doody, Gillian A. and Leff, Julian and Murray, Robin M. and Fisher, Helen L. (2011) Assessment of posttraumatic symptoms in patients with first-episode psychosis. Journal of Nervous and Mental Disease, 199 (11). pp. 896-898. ISSN 0022-3018

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Official URL: http://dx.doi.org/10.1097/NMD.0b013e318234a037

Abstract

Posttraumatic stress disorder is common among patients with psychotic disorders. The present study examined the internal reliability and comparability of the Impact of Event Scale (IES) in a sample of 38 patients with first-episode psychosis and 47 controls exposed to severe physical and/or sexual abuse. The IES total score and both subscales showed high internal consistency in both groups (Cronbach's alpha coefficients of approximately 0.9 or higher). Given their equivalent trauma reporting, the lack of differences in IES scores between patients and controls seems to indicate that patients are likely to report accurately and neither exaggerate nor minimize their posttraumatic symptoms. Overall, the findings suggest that the IES can be used to assess symptoms of posttraumatic stress in patients with psychotic disorders as in other populations.

Item Type:Article
Research Community:University of Westminster > Social Sciences, Humanities and Languages, School of
ID Code:10099
Deposited On:10 Nov 2011 15:03
Last Modified:10 Nov 2011 15:03

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