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- Title
Contribution of Perceived Cognitive Functioning to Quality of Life in Service Members and Veterans With Posttraumatic Stress Disorder.
- Authors
Silverberg, Noah D.; Wojtowicz, Magdalena; Bui, Eric; Wershba, Rebecca; Zafonte, Ross; Laifer, Lauren M.; Simon, Naomi M.; Iverson, Grant L.
- Abstract
Perceived cognitive impairment is a core clinical feature of posttraumatic stress disorder (PTSD) and may be an important determinant of quality of life (QOL) in those who suffer from this disorder. Using a clinical data repository, we evaluated this hypothesis in a cross-sectional sample of U.S. military service members and veterans who served after September 11, 2001, and were seeking mental health treatment at a tertiary outpatient clinic. A consecutive series of 117 patients with a clinical diagnosis of PTSD completed a battery of questionnaires at intake, including the PTSD Checklist (Weathers, Litz, Herman, Huska, & Keane, 1993), a 4-item Cognitive Symptom subscale of the Neurobehavioral Symptom Inventory (Cicerone & Kalmar, 1995), the Depression Anxiety Stress Scale-21 (Lovibond & Lovibond, 1995), and the Quality of Life Enjoyment and Satisfaction Questionnaire (Endicott, Nee, Harrison, & Blumenthal, 1993). Cognitive symptom reporting was very high, even in the subgroup without a history of traumatic brain injury. In a regression analysis, cognitive symptom severity was independently associated with QOL (β = -.204). This relationship was not explained by comorbid traumatic brain injury, but was restricted to patients with comorbid depression (β = -.278 in the subgroup with an elevated Depression Anxiety Stress Scale-21 Depression subscale; n = 91). In conclusion, perceived cognitive impairment was common in this PTSD sample and helped to explain impairments in QOL, especially in patients with comorbid depression.
- Subjects
POST-traumatic stress disorder; DISEASES in veterans; COGNITIVE ability; QUALITY of life; BRAIN injuries
- Publication
Journal of Traumatic Stress, 2017, Vol 30, Issue 3, p318
- ISSN
0894-9867
- Publication type
journal article
- DOI
10.1002/jts.22184