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  • Title: The role of perceived threat in the emergence of PTSD and depression symptoms during warzone deployment.
    Author: Lancaster CL, Cobb AR, Lee HJ, Telch MJ.
    Journal: Psychol Trauma; 2016 Jul; 8(4):528-34. PubMed ID: 27348069.
    Abstract:
    OBJECTIVE: Numerous studies have shown that level of exposure to combat-related stressors is a robust risk factor for posttraumatic stress disorder (PTSD) and depression among military personnel deployed to a warzone. Threat perception of warzone experiences assessed retrospectively has been consistently linked to increased risk for PTSD and depression months or even years after returning from deployment. However, little is known about concurrent relations between perceived threat, deployment stress, and stress-related symptoms during deployment. Using a novel in-theater web-based assessment system, we investigated the unique and joint contribution of threat perception and deployment stressors in predicting the emergence of PTSD and depression symptoms during deployment. METHOD: Soldiers (N = 150) completed assessments of deployment stressors, perceived threat, PTSD symptoms, and depression symptoms throughout deployment to Iraq. RESULTS: Results revealed that perceived threat potentiated the increase in PTSD symptoms as a result of increases in deployment stressors. In contrast, perceived threat, but not warzone stressors, uniquely predicted depression symptoms. CONCLUSIONS: Results highlight the important role of threat perception as a risk marker for the acute experience of depression and PTSD symptoms during deployment. (PsycINFO Database Record
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