Table 1. Demographic Characteristics of Children, by Family Income Level, California, 2010–2012.
| Characteristic | Low Family Income | High Family Income | Total |
|---|---|---|---|
| No. (%) | 901,463 (56) | 715,937 (44) | 1,617,400 (100) |
| Sex, no. (%) | |||
| Boys | 460,647 (56) | 364,048 (44) | 824,695 (100) |
| Girls | 440,816 (56) | 351,889 (44) | 792,705 (100) |
| Age, mean (SD), y | 12.9 (1.70) | 13.1 (1.70) | 13.0 (1.70) |
| Race/ethnicity, no. (%) | |||
| American Indian or Alaska Native | 5,838 (54) | 4,931 (46) | 10,769 (100) |
| Asian | 47,018 (35) | 87,601 (65) | 134,619 (100) |
| Pacific Islander or Native Hawaiian | 5,181 (57) | 3,915 (43) | 9,096 (100) |
| Filipino | 15,909 (34) | 30,316 (66) | 46,225 (100) |
| Hispanic or Latino | 641,768 (75) | 208,547 (25) | 850,315 (100) |
| African American | 68,032 (67) | 34,269 (33) | 102,301 (100) |
| White | 101,036 (24) | 316,662 (76) | 417,698 (100) |
| 2 or more races/ethnicities | 16,681 (36) | 29,696 (64) | 46,377 (100) |
| Height, mean (SD), cm | 155.6 (11.43) | 157.7 (11.86) | 156.5 (11.66) |
| Weight, mean (SD), kg | 55.5 (17.39) | 53.0 (15.87) | 54.4 (16.78) |
| BMI z-score,a mean (SD) | 0.80 (1.09) | 0.43 (1.08) | 0.63 (1.10) |
| Physical fitness score,b mean (SD) | 4.20 (1.51) | 4.77 (1.35) | 4.45 (1.47) |
| Prevalence of obesity,c % | 25.3 | 14.0 | 20.3 |
Abbreviations: BMI, body mass index; SD, standard deviation.
a
BMI z-score based on 2000 Centers for Disease Control and Prevention Growth Reference in the United States.
b
Physical fitness score ranged from 0 (least healthy) to 6 (most healthy).
c
Obesity defined as a BMI percentile greater than or equal to 95th percentile based on CDC 2000 BMI-for-age growth reference.