Document Detail


A meta-analytic investigation of the structure of posttraumatic stress disorder symptoms.
MedLine Citation:
PMID:  21090877     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Converging lines of evidence have called into question the validity of conceptualizations of posttraumatic stress disorder (PTSD) based on the Diagnostic and Statistical Manual of Mental Disorders (DSM; American Psychiatric Association, 2000) and suggested alternative structural models of PTSD symptomatology. We conducted a meta-analysis of 40 PTSD studies (N = 14,827 participants across studies) that used a DSM-based measure to assess PTSD severity. We aggregated correlation matrices across studies and then applied confirmatory factor analysis to the aggregated matrices to test the fit of competing models of PTSD symptomatology that have gained support in the literature. Results indicated that both prominent 4-factor models of PTSD symptomatology yielded good model fit across subsamples of studies; however, the model comprising Intrusions, Avoidance, Hyperarousal, and Dysphoria factors appeared to fit better across studies. Results also indicated that the best fitting models were not moderated by measure or sample type. Results are discussed in the context of structural models of PTSD and implications for the diagnostic nosology.
Authors:
Tom Yufik; Leonard J Simms
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Publication Detail:
Type:  Journal Article; Meta-Analysis    
Journal Detail:
Title:  Journal of abnormal psychology     Volume:  119     ISSN:  1939-1846     ISO Abbreviation:  J Abnorm Psychol     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-24     Completed Date:  2011-03-10     Revised Date:  2014-11-13    
Medline Journal Info:
Nlm Unique ID:  0034461     Medline TA:  J Abnorm Psychol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  764-76     Citation Subset:  IM    
Copyright Information:
PsycINFO Database Record (c) 2010 APA, all rights reserved
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MeSH Terms
Descriptor/Qualifier:
Diagnostic and Statistical Manual of Mental Disorders*
Factor Analysis, Statistical
Humans
Models, Psychological
Psychometrics
Reproducibility of Results
Severity of Illness Index
Stress Disorders, Post-Traumatic / diagnosis*,  psychology*
Grant Support
ID/Acronym/Agency:
R01 MH080086/MH/NIMH NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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