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Background  Individuals with posttraumatic stress disorder (PTSD) are more likely to undertake harmful health behaviors like substance use. Less is known about the association of PTSD with healthful behaviors such as healthy diet and exercise. The purpose of this study was to examine differences across physical health indicators and health behaviors in individuals with and without PTSD.    Methods  A cross-sectional, case–control study of health indicators and self-reported health behaviors in a community and military veteran sample was used.    Results  Based on a structured psychiatric interview, 25 participants had PTSD, and the remaining 55 without PTSD served as the comparison group. Participants were 40 years old on average and 45% were female. Multivariate analysis of variance analyses revealed that participants with PTSD had significantly higher body mass index ( p  = 0.004), had more alcohol use ( p  = 0.007), and reported fewer minutes of vigorous exercise ( p  = 0.020) than those without PTSD. Chi-square analysis of diet content and eating behavior constructs found that individuals with PTSD ate fewer fruits ( p  = 0.035) and had more guilt after overeating ( p  = 0.006).    Conclusions  These findings replicate prior research on the link between PTSD and negative health outcomes and engagement in harmful health behaviors and highlight the need for further examination of the association between PTSD and other health behaviors like diet content, eating behaviors, and exercise.

Posttraumatic stress disorder and health: a preliminary study of group differences in health and health behaviors