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Web intervention for OEF/OIF veterans with problem drinking and PTSD symptoms: a randomized clinical trial.

Recieved:01-Oct-2013 00:00:00

Behavioral Science Division, National Center for PTSD.
Brief, DJ; Rubin, A; Keane, TM; Enggasser, JL; Roy, M; Helmuth, E; Hermos, J; Lachowicz, M; Rybin, D; Rosenbloom, D

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Veterans who served in Operation Enduring Freedom (OEF) and Operation Iraqi Freedom (OIF) commonly experience alcohol misuse and symptoms of posttraumatic stress disorder (PTSD) following their return from deployment to a war zone. We conducted a randomized clinical trial to evaluate the efficacy of a newly developed, 8-module, self-management web intervention (VetChange) based on motivational and cognitive-behavioral principles to reduce alcohol consumption, alcohol-related problems, and PTSD symptoms in returning combat veterans. Six hundred participants, recruited through targeted Facebook ads, were randomized to either an Initial Intervention Group (IIG; n = 404) or a Delayed Intervention Group (DIG; n = 196) that waited 8 weeks for access to VetChange. Primary outcome measures were Drinks per Drinking Day, Average Weekly Drinks, Percent Heavy Drinking Days, and PTSD symptoms. Intent-to-treat analyses compared changes in outcome measures over time between IIG and DIG as well as within-group changes. IIG participants demonstrated greater reductions in drinking (p