Table 1.

Sociodemographic characteristics of U.S. children aged 2–18 years, 1994–2010, %

	CSFII	NHANES	NHANES	NHANES	NHANES
	1994–1998	2003–2004	2005–2006	2007–2008	2009–2010
	N=8797	N=3535	N=3741	N=2953	N=3077
Age group, yearsa
2–5	24.7	22.5	22.7	23.6	23.4
6–11	35.4	34.9	34.4	34.4	34.9
12–18	39.9	42.6	42.9	42.0	41.7
Female	48.9	48.4	49.1	50.1	49.8
Race/ethnicity
Non-Hispanic white	65.2	62.6	60.5	60.0	57.5
Non-Hispanic black	16.1	15.0	14.6	14.6	13.5
Mexican-American	6.6	12.6	13.5	13.2	14.4
Other	12.1	9.7	11.5	12.2	14.6
Household income, % federal poverty levelb
≤130	26.4	33.9	27.3	33.1	33.7
131–299	34.7	31.1	32.6	28.5	28.5
≥300	38.9	35.0	40.1	38.3	37.8
Household educationc
< High school	10.9	20.2	18.5	20.9	20.4
High schoold	29.5	26.7	24.9	25.1	20.8
Some college	25.6	34.4	34.2	28.5	30.2
College degree	33.9	18.7	22.4	25.5	28.6

^aAll percentages take into account survey design and sample weights.

^bHousehold income expressed as percentage of the Federal Poverty Level.

^cEducation level of household referent.

^dGraduated from high school or obtained GED

CSFII, Continuing Survey of Food Intakes by Individuals; GED, General Educational Development test; NHANES, National Health and Nutrition Examination Survey