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Fig. 2 | Military Medical Research

Fig. 2

From: Trends in the incidence of physician-diagnosed posttraumatic stress disorder among active-duty U.S. military personnel between 1999 and 2008

Fig. 2

Annual incidence rates of posttraumatic stress disorder by sex among all active-duty US service members between 1999 and 2008. *. Annual incidence rate ratios (RRs) for PTSD between females and males using males as the referent category. All rates and rate ratios are adjusted for age, race, marital status, military rank and branch of military service. All annual rate ratios by sex are statistically significant (p < 0.001) except for the year 2008 where there was no gender difference in the incidence rate of PTSD

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