Table 3

Characteristics of participants, aged 2–5 years, from NHANES 1999–2002 by computer exposure.*

0 hours

> 0 hours


Gender

Male

45.6 +/- 2.9

54.4 +/- 2.9

Female

46.0 +/- 2.2

54.0 +/- 2.2

Age†

2 years

59.8 +/- 3.1

40.2 +/- 3.1

3 years

48.7 +/- 3.5

51.3 +/- 3.5

4 years

39.7 +/- 2.6

60.3 +/- 2.6

5 years

33.1 +/- 3.1

66.9 +/- 3.1

Race/ethnicity‡

Non-Latino White

47.8 +/- 3.0

52.2 +/- 3.0

Non-Latino Black

36.8 +/- 2.1

63.2 +/- 2.1

Mexican-American

52.6 +/- 3.1

47.4 +/- 3.1

Other

38.5 +/- 6.0

61.6 +/- 6.0

Poverty Income Ratio§

0 < 2

51.1 +/- 2.4

48.9 +/- 2.4

≥ 2 < 4

42.2 +/- 3.3

57.8 +/- 3.3

≥ 4

38.1 +/- 4.1

61.9 +/- 4.1


* Estimated percentages +/- standard errors are given. n = 1799, subjects with missing data were excluded.

† P < 0.0001 for the Pearson chi-squared statistic

‡ P = 0.044 for the Pearson chi-squared statistic

§P = 0.011 for the Pearson chi-squared statistic

Mendoza et al. International Journal of Behavioral Nutrition and Physical Activity 2007 4:44   doi:10.1186/1479-5868-4-44

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