Table 1

Demographic characteristics of study participants, Marines deployed to combat (N = 1113), 2007−2010
Demographic characteristic n %
Gender
 Men 1069 96.0
 Women 44 4.0
Race/ethnicity
 White, non-Hispanic 656 58.9
 Black, non-Hispanic 137 12.3
 Hispanic 210 18.9
 Other 110 9.9
Education
 High school or less 593 53.3
 Some college or college degree 520 46.7
Age, years
 18–21 337 30.3
 22–26 436 39.2
 ≥27 340 30.5
Marital status
 Never married 518 46.5
 Married 528 47.4
 Divorced 67 6.0
Paygrade/rank
 Enlisted*
 E1–E3 274 24.6
  E4–E6 615 55.3
  E7–E9 121 10.9
 Warrant Officer (W1–W5) 34 3.1
 Officer (O1–O5) 69 6.2
Deployment status
 Member of deployed unit 947 85.1
 Individual augmentee 166 14.9
Total career combat deployments
 1 633 56.9
 ≥2 480 43.1

*E1–E3, Private through lance corporal, E4–E6, Corporal through staff sergeant, E7–E9, Gunnery sergeant through sergeant major.

Booth-Kewley et al.

Booth-Kewley et al. BMC Psychiatry 2013 13:130   doi:10.1186/1471-244X-13-130

Open Data