Table 1.

Demographic Characteristics of Participants, Third National Health and Nutrition Examination Survey, Phase 2 (1991–1994), DNA Bank

Demographic Characteristics	All Participants			Non-Hispanic White			Non-Hispanic Black			Mexican American			Other
	No. of Subjects	Unweighted, %	Weighted, %	No. of Subjects	Unweighted, %	Weighted, %	No. of Subjects	Unweighted, %	Weighted, %	No. of Subjects	Unweighted, %	Weighted, %	No. of Subjects	Unweighted, %	Weighted, %
Total	7,159	100	100	2,630	36.7	73.5	2,108	29.5	11.7	2,073	29.0	5.7	348	4.9	9.2
Sex
Male	3,102	43.3	48.1	1,052	40.0	48.6	897	42.6	45.2	1,024	49.4	51.2	129	37.1	46.2
Female	4,057	56.7	51.9	1,578	60.0	51.4	1,211	57.4	54.8	1,049	50.6	48.8	219	62.9	53.8
Age, years
12–19	1,211	16.9	13.6	266	10.1	12.0	483	22.9	18.2	393	19.0	20.1	69	19.8	16.4
20–39	2,597	36.3	39.3	709	27.0	37.1	861	40.8	42.9	892	43.0	50.1	135	38.8	45.5
40–59	1,552	21.7	27.7	600	22.8	29.0	469	22.2	24.8	403	19.4	21.6	80	23.0	24.6
≥60	1,799	25.1	19.4	1,055	40.1	21.9	295	14.0	14.0	385	18.6	8.2	64	18.4	13.5