Table 1.
Descriptive baseline characteristics of the ActiveBrains participants meeting per-protocol criteria (n = 83).
| All |
Intervention group |
Control group |
||||
|---|---|---|---|---|---|---|
| N | Values | N | Values | N | Values | |
| Sex | 83 | 44 | 39 | |||
| Girls (n %) | 32 | 39 | 14 | 32 | 18 | 46 |
| Boys (n %) | 51 | 61 | 30 | 68 | 21 | 54 |
| Age (years) | 83 | 10.06±1.11 | 44 | 10.00±1.13 | 39 | 10.14±1.10 |
| Weight (kg) | 83 | 55.63±11.21 | 44 | 56.86±12.70 | 39 | 54.24±9.23 |
| Height (cm) | 83 | 144.46±8.40 | 44 | 143.74±9.08 | 39 | 145.26±7.57 |
| Body mass index (kg/m2) | 83 | 26.44±3.62 | 44 | 27.21±4.07 | 39 | 25.56±2.84 |
| Peak height velocity offset (years) | 83 | −2.27±0.95 | 44 | −2.42±0.93 | 39 | −2.11±0.96 |
| Wave of participation (%) | 83 | 44 | 39 | |||
| First (n %) | 12 | 15 | 8 | 18 | 4 | 10 |
| Second (n %) | 31 | 37 | 15 | 34 | 16 | 41 |
| Third (n %) | 40 | 48 | 21 | 48 | 19 | 49 |
Values are expressed as means ± standard deviations (SD), unless otherwise indicated.