Table 1. Sample Characteristics by Active Weight Control by Healthy Weight, Overweight, and Obese Children and Adolescents Aged 8 to 15 Years in the United States (N = 2,613), 2007–2010a .
| Child and Adolescent Characteristic | Healthy Weight (n = 1,557) |
P Value | Overweight (n = 461) |
P Value | Obese (n = 595) |
P Value | |||
|---|---|---|---|---|---|---|---|---|---|
| Trying to Lose Weight (n = 252) | Not Trying to Lose Weight (n = 1,305) | Trying to Lose Weight (n = 248) | Not Trying to Lose Weight (n = 213) | Trying to Lose Weight (n = 477) | Not Trying to Lose Weight (n = 118) | ||||
| Age, years, mean (SD) | 12.0 (2.3) | 11.6 (2.3) | .11 | 11.8 (2.4) | 11.4 (2.2) | .20 | 11.4 (2.3) | 11.4 (2.3) | .99 |
| Race/ethnicity, % | |||||||||
| Non-Hispanic white | 57.2 | 62.0 | .39 | 50.8 | 61.8 | .001 | 47.3 | 59.4 | .019 |
| Non-Hispanic black | 12.9 | 12.3 | 16.4 | 11.5 | 19.1 | 13.8 | |||
| Hispanic | 22.1 | 17.3 | 29.3 | 16.5 | 28.2 | 19.4 | |||
| Non-Hispanic other | 7.8 | 8.3 | 3.5 | 10.3 | 5.5 | 7.4 | |||
| Female, % | 63.2 | 46.3 | <.001 | 55.0 | 52.8 | .72 | 47.4 | 38.9 | .11 |
| Had health insurance, % | 89.7 | 91.3 | .45 | 83.5 | 90.8 | .05 | 89.9 | 94.3 | .14 |
| Annual household income ($), % | |||||||||
| <20,000 | 17.7 | 13.1 | .47 | 19.8 | 15.2 | .74 | 22.4 | 22.0 | .07 |
| 20,000–<35,000 | 16.0 | 18.5 | 17.7 | 15.4 | 26.6 | 16.4 | |||
| 35,000–<55,000 | 12.6 | 14.4 | 13.4 | 13.5 | 15.4 | 12.1 | |||
| 55,000–<75,000 | 16.6 | 13.9 | 21.2 | 22.9 | 11.1 | 9.7 | |||
| ≥75,000 | 37.1 | 40.1 | 27.9 | 33.0 | 24.5 | 39.9 | |||
Abbreviation: SD, standard deviation.
a
Weighted N = 29,801,979; values are expressed as weighted mean or percentages.