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Table 1 Demographic characteristics of cross-sectional clinical veteran sample

From: A retrospective cohort study of U.S. service members returning from Afghanistan and Iraq: is physical health worsening over time?

  Cross-sectional clinical sample Military community sample
  1 Yr (n = 253) 2 Yr (n = 162) 3 Yr (n = 106) 4 Yr+ (n = 157) n = 768
Gender (%)      
F = Female F: 13.0% F: 12.9% F: 12.3% F: 16.6% F: 10.8%
M = Male M: 87.0% M: 87.1% M: 87.7% M: 83.4% M: 89.2%
Age (mean ± SD) 32.5±9.8 32.0±9.6 32.0±10.3 34.8±9.7 28.0±8.3
Military Component (%)      
Active Duty 25.3% 42.9% 54.4% 48.4% -
Reserve/National Guard 74.7% 57.1% 45.6% 51.6% 100%
Military Branch (%)      
Navy 6.3% 5.5% 8.5% 13.4% -
Air Force 1.6% 4.3% 5.7% 10.8% -
Marine Corps 15.8% 24.5% 29.2% 17.8% -
Army 75.9% 65.6% 55.7% 56.7% 100%
Coast Guard - - - 1.3% -
Probable PTSD (%) 29.8% 31.3% 45.8% 46.6% -
Physical Component Summary score 46.5±9.6 45.9±10.9 44.5±9.1 42.3±11.8 Pre: 55.5±5.2
      0 Post: 53.2±7.3
      1yr Post: 52.2±8.6
Physical Function subscale 46.5±10.1 45.6±10.7 43.9±10.2 41.8±11.8 Pre: 52.4±7.4
      0 Post: 49.4±8.3
      1 yr Post: 48.5±9.8
Role Physical subscale 45.8±10.8 45.3±12.2 41.1±12.9 40.2±13.1 Pre: 54.6±7.3
      0 Post: 50.3±9.1
      1 yr Post: 49.6±9.8
Bodily Pain subscale 42.4±10.8 42.5±11.5 41.1±11.2 38.8±11.1 Pre: 55.3±3.9
      0 Post: 53.3±6.7
      1 yr Post: 51.8±8.9
General Health subscale 43.2±10.7 41.9±11.1 39.7±10.4 38.7±11.9 Pre: 53.2±5.9
      0 Post: 52.4±6.8
      1 yr Post: 50.5±9.2