An Investigation of Depression, Trauma History, and Symptom Severity in Individuals Enrolled in a Treatment Trial for Chronic PTSD
Corresponding Author
Michele Bedard-Gilligan
University of Washington
Please address correspondence to: Michele Bedard-Gilligan, University of Washington Department of Psychiatry, Box 354944, Seattle WA 98195. E-mail: [email protected]Search for more papers by this authorCorresponding Author
Michele Bedard-Gilligan
University of Washington
Please address correspondence to: Michele Bedard-Gilligan, University of Washington Department of Psychiatry, Box 354944, Seattle WA 98195. E-mail: [email protected]Search for more papers by this authorMichele Bedard-Gilligan is now at the University of Washington, Department of Psychiatry, Jeanne M. Duax is now at the VA Ann Arbor Healthcare System and University of Michigan Medical School, Lisa Stines Doane is now at Cleveland State University, Jeff Jaeger is now at The Kansas City Center for Anxiety Treatment, and Afsoon Eftekhari is now at the Palo Alto VA Healthcare System.
This research was funded in part by grants from the National Institute of Mental Health R01 MH066347 (PI: Zoellner) and F31 MH74225 (PI: Bedard). NIMH had no role in the study design, collection, analysis, or interpretation of the data, writing the manuscript, or the decision to submit the paper for publication.
Abstract
Objective
To explore how factors such as major depressive disorder (MDD) and trauma history, including the presence of childhood abuse, influence diverse clinical outcomes such as severity and functioning in a sample with posttraumatic stress disorder (PTSD).
Method
In this study, 200 men and women seeking treatment for chronic PTSD in a clinical trial were assessed for trauma history and MDD and compared on symptom severity, psychosocial functioning, dissociation, treatment history, and extent of diagnostic co-occurrence.
Results
Overall, childhood abuse did not consistently predict clinical severity. However, co-occurring MDD, and to a lesser extent a high level of trauma exposure, did predict greater severity, worse functioning, greater dissociation, more extensive treatment history, and additional co-occurring disorders.
Conclusion
These findings suggest that presence of co-occurring depression may be a more critical marker of severity and impairment than history of childhood abuse or repeated trauma exposure. Furthermore, they emphasize the importance of assessing MDD and its effect on treatment seeking and treatment response for those with PTSD.
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