Demographic Variables All (n=8,367) Usual Rice Intake (oz eq)
 <0.25 (n=908, 11.5%)  ≥ 0.25-<0.5 (n=5,541, 66.9%)  ≥ 0.5-<1.0 (n=1,585, 17.9%) ≥ 1.0 (n=333, 3.7%)
Mean2 SE Mean SE Mean SE Mean SE Mean SE
Age, y 9.75 0.11 9.56a 0.23 9.85 0.13 9.27 0.19 10.84a 0.35
Gender, %                    
Females 49.17 0.96 49.70b 2.11 50.59 1.25 51.24 1.94 11.38b 1.52
Ethnicity, %                    
Whites, Non-Hispanic 61.06 2.09 63.51b 3.09 65.05 2.04 49.98 2.72 34.45b 4.82
Black, Non-Hispanic 13.77 1.18 14.62 2.08 13.09 1.24 16.20 1.63 11.69 2.00
Mexican-Americans 12.72 1.10 10.79 1.40 12.33 1.10 15.14 1.63 14.08 2.63
Poverty Income Ratio 2.56 0.06 2.67 0.10 2.56 0.07 2.50 0.08 2.55 0.18
Physical Activity—Intensity, %                    
Sedentary 12.02 0.60 11.01 2.02 12.02 0.66 13.60 1.20 7.54 1.70
Light 20.74 0.80 19.93 1.98 20.60 0.89 22.23 1.44 18.44 2.81
Moderate-to-vigorous 67.24 0.94 69.05 2.81 67.38 1.00 64.18 1.71 74.02 3.05
a p< 0.01, b p < 0.0001
1 Values are presented as means ± SE
2 Mean values represent percentages for entire column except age
Table 1: Demographic and lifestyle characteristics of the children aged 2-18 years participating in the national health and nutrition. Examination Survey 2005-20101.