TABLE 1—

Demographic Characteristics of Participants: US Army Health-Related Behavior Survey; 2002, 2005, 2008

Characteristic	2002 (n = 3269), %	2005 (n = 3639), %	2008 (n = 5927), %
Gender
Male	83.1	85.7	86.5
Female	16.9	14.3	13.5
Age, y
18–19	6.1	9.9	6.6
20–29	54.0	57.1	54.9
30–39	30.9	22.9	27.9
≥ 40	9.0	10.1	10.6
Rank
Enlisted (E1–E9)	85.6	83.3	82.7
Officer	14.4	16.7	17.3
Race/ethnicity
White	60.6	60.7	62.7
African American	27.5	21.8	19.9
Hispanic	7.2	10.5	10.7
Asian	2.4	1.8	2.8
Other	2.3	5.3	3.9
Education
≤ high school	37.1	37.0	33.2
Some college	44.4	40.7	44.7
College degree	18.6	22.3	22.0