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Structural equation modeling of associations among combat exposure, PTSD symptom factors, and Global Assessment of Functioning

Mark W. Miller, PhD, et al.

This study examined relationships between combat exposure, posttraumatic stress disorder (PTSD) symptoms, and functional impairment in veterans assessed at a Department of Veterans Affairs PTSD clinic. Results showed that combat exposure led directly to PTSD reexperiencing symptoms, whereas global functioning, measured by the Global Assessment of Functioning (GAF) score, was predicted by avoidance and numbing symptoms. The proportion of variance in global functioning accounted for by PTSD was modest, raising concern about the use of the GAF score as a benchmark for quantifying this outcome.

Volume 45 Number 3, 2008
   Pages 359 — 370


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