Assessment of posttraumatic symptoms in patients with first-episode psychosis

Ingo Schäfer; Craig Morgan; Arsime Demjaha; Kevin Morgan; Paola Dazzan; Paul Fearon; Peter B Jones; Gillian A Doody; Julian Leff; Robin M Murray; Helen L Fisher

doi:10.1097/NMD.0b013e318234a037

Assessment of posttraumatic symptoms in patients with first-episode psychosis

Ingo Schäfer, Craig Morgan, Arsime Demjaha, Kevin Morgan, Paola Dazzan, Paul Fearon, Peter B Jones, Gillian A Doody, Julian Leff, Robin M Murray, Helen L Fisher

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

7 Citations (Scopus)

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.

Original language	English
Pages (from-to)	896-898
Number of pages	3
Journal	Journal of Nervous and Mental Disease
Volume	199
Issue number	11
DOIs	https://doi.org/10.1097/NMD.0b013e318234a037
Publication status	Published - Nov 2011

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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.",

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AU - Schäfer, Ingo

AU - Morgan, Craig

AU - Demjaha, Arsime

AU - Morgan, Kevin

AU - Dazzan, Paola

AU - Fearon, Paul

AU - Jones, Peter B

AU - Doody, Gillian A

AU - Leff, Julian

AU - Murray, Robin M

AU - Fisher, Helen L

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AB - 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.

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JO - Journal of Nervous and Mental Disease

JF - Journal of Nervous and Mental Disease

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Assessment of posttraumatic symptoms in patients with first-episode psychosis

Abstract

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