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Repeated OEF and OIF deployments may adversely affect the military readiness of New Jersey National Guard combat soldiers.

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This study examines gender differences in post-traumatic stress symptoms (PTSS) and PTSS risk/protective factors among soldiers deployed to Iraq. We pay special attention to two potentially modifiable military factors, military preparedness and unit cohesion, which may buffer the deleterious psychological effects of combat. Longitudinal data were collected on 922 New Jersey National Guard soldiers (91 women) deployed to Iraq in 2008. Anonymous surveys administered at pre- and post-deployment included the PTSD Checklist (PCL), the Unit Support Scale, and a preparedness scale adapted from the Iowa Gulf War Study. Bivariate analyses and hierarchical multiple regression were used to identify predictors of PTSS and their explanatory effects on the relationship between gender and PTSS. Women had a higher prevalence of probable post-deployment PTSD than men (18.7% vs. 8.7%; OR = 2.45; CI [1.37, 4.37]) and significantly higher post-deployment PTSS (33.73 vs. 27.37; p = .001). While there were no gender differences in combat exposure, women scored higher on pre-deployment PTSS (26.9 vs. 23.1; p ≤ .001) and lower on military preparedness (1.65 vs. 2.41; p ≤ .001) and unit cohesion (32.5 vs. 38.1; p ≤ .001). In a multivariate model, controlling for all PTSS risk/resilience factors reduced the gender difference as measured by the unstandardized Beta (B) by 45%, with 18% uniquely attributable to low cohesion and low preparedness. In the fully controlled model, gender remained a significant predictor of PTSS but the effect size was small (d = .26). Modifiable military institutional factors may account for much of the increased vulnerability of women soldiers to PTSD.

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Readjustment stressors are common among soldiers returning from duty with PTSD and may be more predictive than PTSD symptom levels in treatment seeking. These effects appeared to be at least partially accounted for by demographic variables and the role of greater familial and occupational responsibilities among older veterans. Treatment seeking may be motivated by social encouragement or social interference and less by symptom severity.