Table 1

Demographic Characteristics in Three Groups of Marines Corps Personnel, 2001-2007

Characteristic

Non-war deployed

War deployed

Excluded from study sample


N (%) n = 13 944

N (%) n = 77 881

N (%) n = 72 939


Accession age

<19 years

6795 (48.7)

37 698 (48.4)

32 719 (44.9)**

≥19 years

7149 (51.3)

40 183 (51.6)

40 219 (55.1)**

Sex

Male

12 296 (88.2)

74 962 (96.3)**

65 780 (90.2)**

Female

1648 (11.8)

2919 (3.7)**

7159 (9.8)**

Race/ethnicity

Caucasian

9050 (64.9)

55 942 (71.8)**

54 191 (74.3)**

African American

1653 (11.9)

5504 (7.1)**

5554 (7.6)**

Hispanic

2171 (15.6)

11 150 (14.3)**

7524 (10.3)**

Other/mixed/missing

1070 (7.7)

5285 (6.8)**

5670 (7.8)

AFQT score

Low (0-50)

4047 (29.0)

26 409 (33.9)**

21 276 (29.2)**

Medium (51-70)

5006 (35.9)

26 860 (34.5)**

26 291 (36.0)**

High (71-99)

4891 (35.1)

24 612 (31.6)**

24 992 (34.3)**


AFQT, Armed Forces Qualification Test.

Individuals who served <6 months of service, were an officer or a warrant officer, did not deploy before the end of the study period, changed military branches during the study time frame (such as from the Marines to the Army), or received hazardous duty pay but did not deploy to Iraq, Afghanistan, or Kuwait, were not eligible for the study.

*Statistically different from the non-war-deployed reference group (p < 0.05).

**Statistically different from the non-war-deployed reference group (p < 0.01).

Highfill-McRoy et al. BMC Psychiatry 2010 10:88   doi:10.1186/1471-244X-10-88

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