Table 1

Demographic Characteristics1.

CSFII

1989-1991

NHANES

2005-2006

NHANES

2007-2008


Number of Observations

1171

977

1081

Gender (%)

Male

52

50

51

Female

48

50

49

Race/Ethnicity (%)

Hispanic

8

16

21

White

70

60

58

Black

16

14

15

Other

6

10

6

Income Level (%)

Low

25

26

32

Medium

39

30

31

High

36

44

37

Maternal Education (%)

< = High School

54

43

48

> High School

46

57

52


1 The studied sample included children aged 6-11 y old from 3 nationally representative surveys: CSFII 1989-1991, NHANES 2005-2006 and 2007-2008.

2Income level was based on percent poverty threshold level: Low income was defined as less than 130%, medium as greater than or equal to 130% and less than 300%, and high as greater than or equal to 300%

Lasater et al. Nutrition Journal 2011 10:103   doi:10.1186/1475-2891-10-103

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