TABLE 2.

Demographic composition of trial participants (n = 11,449).

	Count	Percent
Gender
Male	6795	59
Female	4646	41
Missing	8	<.1
Race
White	6476	57
African American	2465	22
Multi-race	797	7
American Indian	169	1
Other	775	7
Missing or choose not to answer	767	7
Ethnicity
Non-Hispanic	9392	82
Hispanic	1966	17
Missing or choose not to answer	91	1
Age
≤17 years	729	6
18–55 years	10,321	90
>55 years	389	3
Missing	10	<.1