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Author (up) Frankfurt, S.; Anders, S.L.; James, L.M.; Engdahl, B.; Winskowski, A.M. url  doi
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  Title Evaluating the dimensionality of PTSD in a sample of OIF/OEF veterans Type Journal Article
  Year 2015 Publication Psychological Trauma : Theory, Research, Practice and Policy Abbreviated Journal Psychol Trauma  
  Volume 7 Issue 5 Pages 430-436  
  Keywords  
  Abstract Both categorical and dimensional models of mental disorders, including posttraumatic stress disorder (PTSD), are useful for diagnostic and heuristic purposes; however, few empirical studies have compared categorical and dimensional models of PTSD side-by-side or compared these models to a hybrid (dimensional and categorical) model. In the present study, the dimensionality of PTSD was examined by fitting latent profile analytic, confirmatory factor analytic, and factor mixture models in 271 Operation Iraqi Freedom/Operation Enduring Freedom veterans 6 months after return from deployment. Latent profile analysis was used to identify subgroups of individuals with similar PTSD symptom profiles and predictors of subgroup membership, confirmatory factor analysis was used to identify the underlying continuous structure of PTSD in this sample, and factor mixture modeling was used to test whether a hybrid categorical and continuous model of PTSD best fit our sample. A factor mixture model consisting of a 4-factor dysphoria model of PTSD with 2 classes characterized by low and moderate symptom severity was the best-fitting model. Dissociation and deployment concerns emerged as significant predictors of membership in the moderate symptoms class. Implications for PTSD diagnostic conceptualization and treatment planning are discussed.  
  Address Brain Science Center, Minneapolis Veterans Affairs Medical Center  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1942-969X ISBN Medium  
  Area Expedition Conference  
  Notes PMID:25793318 Approved no  
  Call Number UU @ jana.mullerova @ Serial 42190  
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