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. Author manuscript; available in PMC: 2007 Dec 18.
Published in final edited form as: Mil Med. 2000 Oct;165(10):762–772.

TABLE I.

UNADJUSTED ASSOCIATIONS BETWEEN THE DEMOGRAPHIC CHARACTERISTICS OF 675.626 ARMY GULF WAR-ERA VETERANS AND DEPLOYMENT TO THE PERSIAN GULF

Deployed (N = 257.699) Not Deployed (N = 417.927) χ2p Values
Gender <0.001
 Male 91.64% 87.12%
 Female 8.36% 12.88%
Agea <0.001
 <21 years 15.04% 11.07%
 21–25 years 37.15% 28.09%
 26–30 years 22.58% 21.94%
 31–35 years 13.56% 17.64%
 36–40 years 7.92% 12.50%
 >40 years 3.75% 8.73%
Race/ethnicity <0.001
 White 60.85% 62.82%
 Black 30.67% 28.63%
 Hispanic 4.15% 3.96%
 Asian/Pacific Island 1.43% 1.82%
 Indian/Alaskan 0.56% 0.50%
 Other 2.32% 2.24%
Educational level <0.001
 Less than high school 1.21% 0.89%
 High school graduate/GED 84.35% 75.29%
 Alternative education 0.03% 0.03%
 Some college 3.43% 4.94%
 Bachelor’s degree 7.75% 10.98%
 Graduate degree 2.10% 6.67%
 Unknown 1.13% 1.22%
Marital status <0.001
 Single 43.31% 34.00%
 Married, spouse not on active duty 49.93% 56.98%
 Married, spouse on active duty and deployed 1.95% 0.95%
 Married, spouse on active duty and not deployed 1.57% 3.65%
 No longer married 3.20% 4.27%
 Unknown 0.03% 0.15%
Dependents <0.001
 Member only 44.93% 36.65%
 Member plus one dependent 17.57% 17.50%
 Member plus two or more dependents 37.32% 45.56%
 Unknown 0.19% 0.29%
Rank <0.001
 E1–E4 54.39% 41.33%
 E5–E9 34.92% 41.41%
 Warrant officer 2.20% 1.95%
 O1–O3 6.53% 9.08%
 O4–O5 1.77% 5.26%
 O6–O11 0.18% 0.97%
Time in Service <0.001
 Less than 6 months 3.99% 4.50%
 6–12 months 10.94% 7.89%
 >12–24 months 16.31% 10.88%
 >24–60 months 31.71% 26.20%
 >60–120 months 18.34% 20.13%
 >120–180 months 11.10% 15.59%
 >180–240 months 6.31% 11.27%
 >240 months 1.26% 3.49%
 Unknown 0.03% 0.05%
Hazardous duty pay <0.001
 No hazardous duty pay 86.41% 87.08%
 Hazardous duty pay one type 12.81% 12.37%
 Hazardous duty pay two or more types in pay period 0.78% 0.55%
Enlisted (n = 575,942) <0.001
 Infantry/gun crews 27.58% 24.34%
 Mechanical equipment repair 18.99% 13.38%
 Communication/intelligence 14.01% 14.13%
 Support/administration 12.17% 18.26%
 Service/supply 11.76% 11.15%
 Health care 5.09% 8.24%
 Electrical equipment repair 4.60% 5.29%
 Technical/allied specialist 2.93% 2.96%
 Craftsworkers 2.61% 1.77%
 Nonoccupational 0.25.% 0.44%
 Other 0.01% 0.03%
Officer (n = 85.874) <0.001
 Tactical operations officer 40.86% 27.02%
 Nonoccupational 12.10% 19.06%
 Health care officers 12.10% 18.91%
 Supply, procurement, and allied officers 10.37% 7.11%
 Engineering and maintenance officer 10.35% 8.54%
 Intelligence officer 5.24% 4.50%
 Administrators 4.90% 7.40%
 Scientists and professionals 3.78% 6.79%
 General officer/executive 0.26% 0.52%
 Other 0.05% 0.15%
Warrant (n = 13.810) <0.001
 Tactical operations officer 49.09% 37.77%
 Engineering and maintenance officer 26.44% 25.37%
 Supply, procurement, and allied officers 7.76% 7.42%
 Nonoccupational 4.91% 6.31%
 Intelligence officer 4.38% 7.34%
 Health care officers 3.77% 3.75%
 Administrators 3.49% 11.28%
 Scientists and professionals 0.14% 0.64%
 Other 0.02% 0.12%

Values are those documented in June 1990 DMDC records.

a

χ2 test for trend analysis indicated a statistically significant trend of increasing risk for deployment with successively younger age groups, with the odds for deployment being more than three times greater among those younger than 21 years than for those older than 40 (p < 0.001).