Assessment of posttraumatic symptoms in patients with first-episode psychosis.
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Authors
Schäfer, Ingo
Morgan, Craig
Demjaha, Arsime
Morgan, Kevin
Dazzan, Paola
Fearon, Paul
Jones, Peter B
Doody, Gillian A
Leff, Julian
Murray, Robin M
Issue Date
2011-Nov
Type
Journal Article
Research Support, Non-U.S. Gov't
Research Support, Non-U.S. Gov't
Language
en
Keywords
Alternative Title
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.
Description
Citation
Schäfer, I., Morgan, C., Demjaha, A., Morgan, K., Dazzan, P., Fearon, P., Jones, P. B., Doody, G. A., Leff, J., Murray, R. M., & Fisher, H. L. (2011). Assessment of posttraumatic symptoms in patients with first-episode psychosis. The Journal of nervous and mental disease, 199(11), 896–898. https://doi.org/10.1097/NMD.0b013e318234a037
Publisher
License
Journal
The Journal of nervous and mental disease
Volume
199
Issue
11
PubMed ID
ISSN
1539-736X