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Psychological Injury and Law

, Volume 6, Issue 4, pp 290–298 | Cite as

Underlying Dimensions of DSM-5 Posttraumatic Stress Disorder and Major Depressive Disorder Symptoms

  • Tracey L. Biehn
  • Jon D. Elhai
  • Laura D. Seligman
  • Marijo Tamburrino
  • Cherie Armour
  • David Forbes
Article

Abstract

This study examined the relationship between the underlying latent factors of major depression symptoms and DSM-5 posttraumatic stress disorder (PTSD) symptoms (American Psychiatric Association, 2013). A nonclinical sample of 266 participants with a trauma history participated in the study. Confirmatory factor analyses were conducted to evaluate the fit of the DSM-5 PTSD model and dysphoria model, as well as a depression model comprised of somatic and nonsomatic factors. The DSM-5 PTSD model demonstrated somewhat better fit over the dysphoria model. Wald tests indicated that PTSD’s negative alterations in cognitions and mood factor was more strongly related to depression’s nonsomatic factor than its somatic factor. This study furthers a nascent line of research examining the relationship between PTSD and depression factors in order to better understand the nature of the high comorbidity rates between the two disorders. Moreover, this study provides an initial analysis of the new DSM-5 diagnostic criteria for PTSD.

Keywords

Confirmatory factor analysis Posttraumatic stress disorder Depression DSM-5 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Tracey L. Biehn
    • 1
  • Jon D. Elhai
    • 1
    • 2
  • Laura D. Seligman
    • 1
  • Marijo Tamburrino
    • 2
  • Cherie Armour
    • 3
  • David Forbes
    • 4
    • 5
  1. 1.Department of PsychologyUniversity of ToledoToledoUSA
  2. 2.Department of PsychiatryUniversity of ToledoToledoUSA
  3. 3.Department of PsychologyUniversity of UlsterUlsterIreland
  4. 4.Australian Centre for Posttraumatic Mental HealthMelbourneAustralia
  5. 5.Department of PsychiatryUniversity of MelbourneMelbourneAustralia

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