Table 1

Demographics and key exposures of participants, aged 2–5 years, from NHANES 1999–2002 by weight status.*


Normal weight
At risk for overweight or overweight
Total

Gender



     Female
51.8 +/- 2.4
51.8 +/- 3.5
51.8 +/- 2.1
     Male
48.3 +/- 2.4
48.2 +/- 3.5
48.2 +/- 2.1
Race/Ethnicity



     Non-Hispanic white
63.6 +/-2.8
56.1 +/- 4.2
62.0 +/- 2.7
     Non-Hispanic black
13.9 +/- 2.1
15.1 +/- 2.8
14.2 +/- 2.1
     Mexican-American
12.6 +/- 1.8
14.9 +/- 2.0
13.1 +/- 1.6
     Other
9.9 +/- 1.8
13.9 +/- 2.9
10.8 +/- 1.8
Poverty Income Ratio



     < 1
26.4 +/- 1.7
25.0 +/- 2.7
26.1 +/- 1.5
     ≥ 1 < 2
24.1 +/- 2.1
33.3 +/- 5.5
26.1 +/- 2.4
     ≥ 2 < 3
15.5 +/- 1.7
15.3 +/- 3.2
15.5 +/- 1.7
     ≥ 3 < 4
13.3 +/- 1.7
6.8 +/- 2.0
11.9 +/- 1.4
     ≥ 4 < 5
8.3 +/- 1.5
5.5 +/- 2.1
7.7 +/- 1.4
     ≥ 5
12.4 +/- 1.8
14.1 +/- 3.7
12.7 +/- 1.8
Television/video use



     ≤ 2 hours/day
70.7 +/- 2.0
60.8 +/- 3.8
68.6 +/- 2.1
     > 2 hours/day
29.3 +/- 2.0
39.2 +/- 3.8
31.4 +/- 2.1
Computer use



     0 hours/day
45.6 +/- 2.2
39.9 +/- 3.7
44.3 +/- 2.1
     < 1 hour/day
37.9 +/- 2.0
39.2 +/- 3.8
38.2 +/- 1.9
     1 hour/day
11.2 +/- 0.9
12.0 +/- 2.3
11.4 +/- 0.8
     2 hours/day
3.3 +/- 0.7
6.4 +/- 1.9
4.0 +/- 0.7
     3 hours/day
1.1 +/- 0.4
0.9 +/- 0.4
1.0 +/- 0.3
     4 hours/day
0.3 +/- 0.2
0.7 +/- 0.7
0.4 +/- 0.2
     ≥ 5 hours/day
0.6 +/- 0.3
0.9 +/- 0.7
0.7 +/- 0.3
Media use



     ≤ 2 hours/day
64.4 +/- 2.0
56.7 +/-3.8
62.7 +/- 2.0
     > 2 hours/day
35.6 +/- 2.0
43.3 +/-3.8
37.3 +/- 2.0

* Estimated percentages +/- standard errors are given. n = 1340 for gender, race/ethnicity, poverty income ratio, and TV/video use; n = 1337 for computer use and media use. Overall, 22.0% +/- 1.5% were overweight or at risk for overweight.

P = 0.026 for the Pearson chi-squared statistic

P = 0.0021 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