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Table 1 Characteristics of the two study samples, reported as a percentage (%) of the sample

From: Changes in affect after completing a mailed survey about trauma: two pre- and post-test studies in former disability applicants for posttraumatic stress disorder

Characteristic Sample
GWESt IMPROVe
Men Men Women
N = 191 N = 639 N = 921
Sociodemographics
 Served during Vietnam Conflict NA 89.3 24.1
 Served after Vietnam but before Gulf War I NA 4.2 35.3
 Served during Gulf War I 100 5.8 30.6
 Served after Gulf War I NA 0.6 10.0
 Age ≥ 50 years 44.3 92.5 62.5
 White race 52.1 70.4 74.0
 College education 74.5 59.2 88.1
 Currently employed 50.8 7.8 27.0
PTSD screen positive 64.6 70.5 61.3
Military exposures
 Sexual assault 4.7 5.3 73.6
 Combat 53.1 93.0 28.0
  1. GWESt Gulf War I Era Veterans study, IMPROVe Interviews to Measure PTSD Recovery of Veterans study, NA not assessed, PTSD posttraumatic stress disorder