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The Impact of Social Support on the Relationship between Trauma History and PTSD Symptoms in Motor Vehicle Accident
Crystal A Gabert-Quillen1, Leah A Irish, Eve Sledjeski
1Department of Psychology, Kent State University, Kent, OH, USA.
Abstract:
The present study examined how different types of social support differentially moderated the relationship between trauma history characteristics and the development of posttraumatic stress disorder symptoms (PTSS) following a motor vehicle accident (MVA). Two hundred thirty-five MVA victims self-reported levels of social support and trauma history, and were evaluated for PTSS 6- and 12-months post-MVA. Results indicated that after controlling for gender, injury severity and income, number of prior trauma types and subjective responses to prior traumatization predicted subsequent PTSS (ps < .05). Appraisal social support was a significant moderator of the total number of types of trauma (appraisal: 6-months β = -.16, p < .05; 12-months β = -.17, p < .05) and subjective physical injury during the prior trauma (appraisal: 6-months β = -.14, p < .05; 12-months β = -.19, p < .05) in predicting PTSS. Results underscore the importance of examining both trauma history and social support as multi-dimensional constructs and suggest merit to addressing social support in trauma victims with a prior trauma history.
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