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Validation of a brief measure of posttraumatic stress disorder: the Distressing Event Questionnaire (DEQ)
E S Kubany1, M B Leisen, A S Kaplan
1National Center for PTSD, Pacific Islands Division, Department of Veterans Affairs, VAM&ROC, Honolulu, Hawai'i 96813, USA. kubany@pixi.com
Abstract:
The Distressing Event Questionnaire (DEQ) is a brief instrument for assessing posttraumatic stress disorder (PTSD) according to criteria provided in Diagnostic and Statistical Manual of Mental Disorders (4th ed.). The DEQ possesses high internal consistency and exhibited satisfactory short-term temporal stability in studies with Vietnam War combat veterans and battered women. In a sample of Vietnam War veterans and 4 separate samples of abused women (with histories of incest, rape, intimate partner abuse, or prostitution and abuse), the DEQ exhibited very good discriminative validity when judged against structured interview assessment of PTSD. The DEQ exhibited strong convergent validity with other PTSD measures and other indexes of adjustment and also exhibited strong convergent validity as a measure of PTSD across ethnic groups in both the veteran sample and the combined women's sample.