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Table 2 Demographics of Service Member Population, 1997–2015

From: Clinically-diagnosed vitamin deficiencies and disorders in the entire United States military population, 1997–2015

Demographic Variable Strata N (mean ± SD) Proportion of Demographic Variable (%)
Total Population 1,382,266 ± 30,987 100.0
 Sex Men 1,181,011 ± 29,728 85.4
Women 201,255 ± 5378 14.6
 Age Group < 20 yr 102,003 ± 16,856 7.4
20–24 yr 447,211 ± 23,715 32.4
25–29 yr 305,918 ± 27,547 22.1
30–34 yr 210,145 ± 13,502 15.2
35–40 yr 174,833 ± 18,642 12.6
> 40 yr 142,156 ± 7758 10.3
 Race White 945,680 ± 28,412 68.4
Black 250,526 ± 19,488 18.1
Other 186,060 ± 8247 13.5
 Military Service Army 506,209 ± 31,422 36.6
Navy 348,099 ± 25,871 25.2
Air Force 344,083 ± 19,850 24.9
Marine Corps 183,875 ± 11,663 13.3