Objective: Recovery from mild-moderate traumatic brain injury (TBI) can be influenced by numerous factors. The purpose of this study was to examine predictors of outcome at 1-year following military-related mild-moderate TBI. Method: Participants were 209 U.S. military service members (Mean Age = 33.3 [SD = 9.5]; 86.6% male) who had sustained a mild-moderate TBI (n = 110) or who had sustained an orthopedic injury without TBI (i.e., Trauma Control [TC]; n = 99). Participants completed the TBI Quality of Life (TBI-QOL) scale, Neurobehavioral Symptom Inventory, Posttraumatic Stress Disorder Checklist, and Combat Experiences Scale at 1-year post-injury (M = 12.8 months, SD = 2.3). Using regression analyses, PTSD, depression, resilience, combat exposure, TBI severity, age, and gender were examined to determine whether these variables were influential at predicting postconcussion symptoms and 12 TBI-QOL scales (e.g., anger, headaches, fatigue). Results: Posttraumatic Stress Disorder (beta = .616), depression (beta = .197), TBI severity...

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