. Author manuscript; available in PMC: 2014 Dec 12.

Published in final edited form as: Arch Pediatr Adolesc Med. 2009 Apr;163(4):328–335. doi: 10.1001/archpediatrics.2009.21

Table 1.

Characteristics of US Adolescents Aged 12 to 19 Years: NHANES 1999-2004 Cohorts

	NHANES
Characteristic	1999-2000	2001-2002	2003-2004	1999-2004
Participants, No.	2308	2417	2242	6967
Mean age, y	15.4	15.5	15.4	15.5
Sex, %
Male	51.5	50.6	51.1	51.1
Female	48.5	49.4	48.9	48.9
Race or ethnicity, %
White	56.8	63.8	64.9	62.1
Black	14.9	13.9	15.7	14.8
Mexican American	13.0	9.0	11.1	10.9
Other, including multiracial	7.3	5.3	3.6	5.3
Other Hispanic	8.0	8.0	4.7	6.9

Abbreviation: NHANES: National Health and Nutrition Examination Survey.