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J Trauma Stress. 2023 Nov 20. doi: 10.1002/jts.22991. Online ahead of print.
ABSTRACT
One of the central symptoms of posttraumatic stress disorder (PTSD) is a heightened reactivity to trauma cues. The current study used experience sampling to investigate the associations between exposure to combat-related cues and PTSD symptoms in 93 U.S. veterans who served in support of recent military operations in Afghanistan and Iraq. We also examined the effects of peri- and postdeployment factors, including exposure to combat, unit support during deployment, and postdeployment social support on PTSD. Participants completed eight brief random surveys daily for 2 weeks using palmtop computers. The results indicated that more daytime exposure to trauma cues was associated with experiencing more PTSD symptoms at the within-person level, B = 3.18. At the between-person level, combat exposure, B = 4.20, was associated with more PTSD symptoms, whereas unit support, B = -0.89, was associated with experiencing fewer symptoms. At the cross-level interaction, unit support, B = -0.80, moderated the association between trauma cue exposure and PTSD symptom count. Contrary to our hypothesis, postdeployment social support, B = -0.59, was not associated with PTSD symptoms. These findings suggest a functional association between exposure to trauma cues and PTSD symptoms among recent-era U.S. veterans and underscore the importance of unit support during deployment.
PMID:37985123 | DOI:10.1002/jts.22991
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Daily exposure to combat-related cues and posttraumatic stress symptoms among veterans: Moderating effects of peri- and postdeployment experiences
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Daily exposure to combat-related cues and posttraumatic stress symptoms among veterans: Moderating effects of peri- and postdeployment experiences
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Daily exposure to combat-related cues and posttraumatic stress symptoms among veterans: Moderating effects of peri- and postdeployment experiences
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