Table 1.
Sample Characteristics (Prevalence and Means)
| Total (n = 6909) | Boys (n = 3314) | Girls (n = 3595) | Test of significance for gender differences | |
|---|---|---|---|---|
| Age M (SE) (range 8–17) | 14.37 (.07) | 14.41 (.08) | 14.33 (.07) | F(1, 93) = 2.56, p ≥ .05 |
| Race/Ethnicity (%) | ||||
| White | 43.1% | 44.8% | 41.5% | |
| Black | 18.7% | 18.6% | 18.7% | χ2 = 12.01, p ≥ .05 |
| Hispanic | 25.4% | 24.1% | 26.6% | |
| Other | 12.8% | 12.5% | 13.1% | |
| Socioeconomic status (%) | ||||
| Low affluence | 26.4% | 25.7% | 27.1% | χ2 = 2.49, p ≥ .05 |
| Moderate affluence | 48.3% | 48.7% | 48.0% | |
| High affluence | 25.2% | 25.6% | 24.9% | |
| Weight status (BMI) (%) | ||||
| Normal/Underweight | 69.3% | 66.1% | 72.6% | χ2 = 45.74, p < .001 |
| Overweight/Obese | 30.7% | 33.9% | 27.4% | |
| Body image M (SE) (range 0–5) | 3.82 (.02) | 4.09 (.02) | 3.57 (.03) | F(1, 93) = 262.50, p < .001 |
| Social engagement M (SE) (range 0–1) | .66 (.01) | .64 (.01) | .67 (.01) | F(1, 93) = 32.58, p < .001 |