| Posttraumatic stress disorder's frequency and intensity ratings are associated with factor structure differences in military veterans. | |
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MedLine Citation:
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PMID: 21038970 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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We examined possible differences in the factor structure of posttraumatic stress disorder (PTSD) on the basis of whether frequency or intensity symptom response formats were used to assess PTSD. Participants included 669 veterans recruited from an epidemiological study of four Veterans Affairs Medical Centers' primary care clinics in the southeastern United States. Confirmatory factor analysis using measurement invariance testing found that the frequency and intensity symptom formats were significantly different from each other on PTSD's factor structure parameters, including factor loadings, observed variable intercepts, and measurement errors. The only exception was for PTSD's effortful avoidance symptoms, which were associated with equivalent parameter estimates for both the frequency and intensity formats. Implications for the clinical assessment of PTSD and interpretation of the extant literature base on PTSD's factor structure are considered. |
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Authors:
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Jon D Elhai; Patrick A Palmieri; Tracey L Biehn; B Christopher Frueh; Kathryn M Magruder |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Psychological assessment Volume: 22 ISSN: 1939-134X ISO Abbreviation: Psychol Assess Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-12-07 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8915253 Medline TA: Psychol Assess Country: United States |
Other Details:
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Languages: eng Pagination: 723-8 Citation Subset: IM |
Affiliation:
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Department of Psychology, University of Toledo, Toledo, OH 43606-3390, USA. |
Export Citation:
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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