Table 1.
Baseline characteristics of participants (N = 233)
| Sex, male, n (%) | 142 (61) |
| Age, y, mean ± SD | 12.1 ± 1.2 |
| Total weekly PA, hours, mean ± SD | 19.5 ± 9.6 |
| Weekly organized PA, hours, mean ± SD | 13.0 ± 7.9 |
| Weekly unorganized PA, hours, mean ± SD | 6.44 ± 5.6 |
| Primary sport, n (%) | |
| Basketball | 81 (35) |
| Soccer | 27 (12) |
| Volleyball | 24 (10) |
| Tennis | 21 (9) |
| Baseball | 20 (9) |
| Football | 15 (6) |
| Cross-country | 12 (5) |
| Softball | 11 (5) |
| Swimming/diving | 11 (5) |
| Othera | 11 (5) |
PA, physical activity.
a
Includes sports in which 5 or fewer individuals participated: cheer/dance, gymnastics, wrestling, and ice hockey.