Table 1.
Descriptive characteristics of the sample at each data collection period.
| Baseline, N=327 | Two Year, N=276 | |||
|---|---|---|---|---|
| Males | Mean | SD | Mean | SD |
| Age (years) | 14.6 | 1.84 | 16.5 | 1.84 |
| Body mass index (BMI) (kg/m2) | 22.1 | 5.08 | 23.4 | 5.11 |
| Percent body fat (PBF) (%) | 16.2 | 9.58 | 16.3 | 8.98 |
| Sugar sweetened beverages, servings/day |
1.02 | 1.01 | 1.03 | 1.15 |
| Diet soda, servings/day | 0.16 | 0.49 | 0.15 | 0.49 |
| Fast food, purchases/ week | 0.91 | 0.88 | 1.19 | 1.25 |
| Breakfast meals, days/week | 0.91 | 0.20 | 0.83 | 0.27 |
| Energy intake (kilocalories/day) | 2196.2 | 673.4 | 2229.6 | 723.1 |
| Physical activity (minutes/day) | 320.4 | 74.7 | 304.6 | 64.0 |
| Puberty | 2.58 | 0.67 | 3.23 | 0.64 |
| White/Caucasian (%) | 86.5% | 89.1% | ||
| Parent college graduate (%) | 78.3% | 81.9% | ||
| Free or reduced lunch-eligible (%) | 10.4% | 7.2% | ||
| Baseline, N=339 | Two Year, N=286 | |||
| Females | Mean | SD | Mean | SD |
| Age (years) | 14.6 | 1.83 | 16.6 | 1.86 |
| Body mass index (BMI) (kg/m2) | 21.9 | 4.91 | 22.8 | 4.55 |
| Percent body fat (PBF) (%) | 26.2 | 8.80 | 27.6 | 7.89 |
| Sugar sweetened beverages, servings/day |
0.70 | 0.84 | 0.65 | 0.77 |
| Diet soda, servings/day | 0.18 | 0.48 | 0.25 | 0.69 |
| Fast food, purchases/ week | 0.94 | 1.20 | 1.15 | 1.42 |
| Breakfast meals, days/week | 0.88 | 0.22 | 0.84 | 0.28 |
| Energy intake (kilocalories/day) | 1776.5 | 512.9 | 1767.3 | 494.4 |
| Physical activity (minutes/day) | 299.6 | 64.1 | 280.3 | 52.2 |
| Puberty | 3.17 | 0.68 | 3.61 | 0.46 |
| White/Caucasian (%) | 83.8% | 85.0% | ||
| Parent college graduate (%) | 72.9% | 76.2% | ||
| Free or reduced lunch-eligible (%) | 12.1% | 9.8% | ||