Table 1

Description of the total population and three study subpopulations (in percent)

Characteristics

Full sample of 2–18 year olds with dietary and medical data

Group a

Group b

Group c


(n = 7,672)

(n = 3,467)

(n = 1,064)

(n = 641)


Number of children represented

n = 63,642,060

n = 20,845,577

n = 7,681,593

n = 3,598,335

Females

49

48

50

43

Ethnic group

Non-Hispanic white

61

61

66

54

Non-Hispanic black

14

15

13

19

Mexican

12

12

9

14

Other

12

12

12

12

Household incomec

<1.3 PIR

39

39

38

44

1.3–1.84 PIR

12

13

13

11

1.85–3.4 PIR

19

20

19

18

>3.5 PIR

29

28

30

28

Weight statusd

Health-y weight

62

61

62

59

At risk for Overweight

15

15

16

16

Overweight

23

24

22

25


a Study populations:

Group a): Non-missing data: ≥ three criteria but missing blood glucose (2–18 year olds)

Group b) Non-missing data: ≥ three criteria & blood glucose, not overweight or obeseb (12–18 year olds)

Group c) Non-missing data: ≥ three criteria & blood glucose, not overweight or obeseb (12–18 year olds)

b Using International Obesity Task Force (IOTF) standards,

c Poverty Income Ratio (PIR),

d CDC gender specific BMI-for-Age growth chart: healthy weight (6–84th percentile), at risk for overweight (85–94th percentile), overweight (≥ 95th percentil)

Kranz et al. Nutrition Journal 2007 6:38   doi:10.1186/1475-2891-6-38

Open Data