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Table 1 Characteristics of US children age 4 to 11 years in NHANES 2001–2004*

From: Active play and screen time in US children aged 4 to 11 years in relation to sociodemographic and weight status characteristics: a nationally representative cross-sectional analysis

 

Age category

 

4 to 11 years overall

4–5 years

6–8 years

9–11 years

n §

2964

777

1109

1078

Mean age (months)

96.1

59.6

89.7

125.5

% male

50.6%

48.2%

50.4%

52.3%

% Non-Hispanic white

57.8%

57.3%

57.2%

58.5%

% Non-Hispanic black

15.5%

14.4%

15.5%

16.3%

% Mexican-American

13.4%

14.3%

13.4%

12.9%

Median Poverty income ratio

2.0

1.9

2.0

2.1

% Born in US

95.0%

95.7%

94.9%

95.8%

% Obese

16.9%

15.2%

15.1%

19.6%

Mean BMI

18.0

16.4

17.3

19.8

  1. Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared). NHANES, National Health and Nutrition Examination Survey.
  2. *Estimates are weighted to be representative of US children age 4 to 11 years.
  3. ‡ Age at last birthday
  4. § n = unweighted sample size
  5. † BMI ≥95th percentile of the age- and gender-specific CDC BMI growth charts