Table 2.
Initial physical characteristics of participants.
| Exercise | Control | |||||||
|---|---|---|---|---|---|---|---|---|
| Variable | # Groups / Participants | x̄ ± SD | Mdn | Range | # Groups/Participants | x̄ ± SD | Mdn | Range |
| Age (yrs) | 37/1102 | 13.0 ± 2.7 | 14 | 8 - 17 | 30/778 | 12.5 ± 2.7 | 13 | 8 – 17 |
| Height (cm) | 27/821 | 158.0 ± 12.5 | 163 | 130 - 176 | 23/602 | 156.4 ± 12.8 | 160 | 127 – 175 |
| Body weight (kg) | 33/758 | 78.7 ± 18.5 | 81 | 35 - 107 | 27/622 | 75.8 ± 18.2 | 74 | 34 – 100 |
| BMI z-score | 16/730 | 2.4 ± 0.6 | 2.3 | 1.3 – 2.3 | 13/508 | 2.4 ± 0.6 | 2.3 | 1.3 – 3.2 |
| Energy intake (kcals) | 8/396 | 2248 ± 610 | 2160 | 1600-3278 | 5/181 | 2355 ± 754 | 2134 | 1614-3259 |
Notes: Groups (#), number of groups in which data were available; x̄ ± SD, mean ± standard deviation; Mdn, Median; BMI z-score, body mass index z-score; yrs, years; kg, kilograms; kcals, kilocalories.