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. 2021 Sep 16;18:E88. doi: 10.5888/pcd18.210058

Table 1. Characteristics of Noninstitutionalized US Children Aged 8 to 17 Years, National Health and Nutrition Examination Survey (NHANES) 2011–2018.

Characteristic Children (Unweighted, N = 5,971; Weighted, N = 36,612,323)a
Age, y
8–9 18.9
10–12 29.2
13–15 31.1
16–17 20.9
Female 49.7
Race/ethnicity
Non-Latino White 55.4
Non-Latino Black 13.8
Mexican American 14.1
Other Latino 7.1
Non-Latino Asian 4.1
Otherb 5.5
Highest level parent/guardian education
≥College graduate 28.8
High school diploma/GED/some college 52.6
<High school diploma 18.5
Family incomec
High 30.1
Medium 39.2
Low 30.7
Weight status
BMI percentile, median (IQR) 73.3 (42.7-93.0)
Healthy weight (BMI percentile <85) 62.5
Overweight (BMI percentile ≥85 to <95) 17.0
Obesity (BMI percentile ≥95) 20.6

Abbreviation: BMI, body mass index; IQR, interquartile range.

a

Values are weighted percentage unless otherwise indicated.

b

Includes American Indian or Alaska Native, Native Hawaiian or Pacific Islander, and mixed race.

c

Determined by family poverty income ratio (PIR): family income divided by Department of Health and Human Services poverty guidelines (specific to family size, year, and state of residence). High = PIR >3.5, medium = PIR ≥1.3, < 3.5; low = PIR <1.3.