Table 3.
Baseline (Time 0) descriptive data by trial arm.
| Control | Intervention | |||
|---|---|---|---|---|
| Variable | n | Mean ± SD / Median (LQ, UQ) / % | n | Mean ± SD / Median (LQ, UQ) / % |
| Age | 158 | 13.53 ± 0.29 | 269 | 13.50 ± 0.30 |
| IMD | 134 | 9.99 (7.09, 16.50) | 245 | 11.93 (6.69, 18.60) |
| Family affluence | 157 | 6.92 ± 1.70 | 269 | 6.96 ±1.59 |
| Receiving free school meals (n, %) | 22 | 14.01 | 30 | 11.15 |
| Ethnicity – White British (n, %) | 125 | 79.62 | 232 | 86.25 |
| Ethnicity – White other (n, %) | 9 | 5.73 | 9 | 3.35 |
| Ethnicity – Mixed (n, %) | 5 | 3.19 | 7 | 2.60 |
| Ethnicity – Other (n, %) | 18 | 11.47 | 21 | 7.81 |
| Weekday MVPA (min) | 128 | 56.38 (45.44, 73.60) | 225 | 52.50 (40.67, 68.90) |
| Weekend MVPA (min) | 69 | 38.58 (21.50, 62.00) | 155 | 38.33 (23.83, 59.58) |
| Overall MVPA (min) | 128 | 54.51 (42.98, 71.42) | 225 | 50.50 (40.33, 63.83) |
| Weekday sedentary (min) | 128 | 467.07 (418.03, 524.73) | 225 | 505.63 (450.57, 551.00) |
| Weekend sedentary (min) | 69 | 428.25 (367.25, 520.17) | 154 | 443.96 (393.17, 513.58) |
| Overall sedentary (min) | 128 | 387.25 (59.36, 487.71) | 225 | 454.13 (75.70, 519.81) |
| 60 mins MVPA per weekday (n, %) | 54 | 42.19 | 87 | 38.67 |
| 60 mins MVPA per weekend day (n, %) | 20 | 28.99 | 36 | 23.23 |
| EQ-5D-Y | 153 | 79.09 ± 16.91 | 260 | 72.00 ± 18.74 |
IMD = Index of Multiple Deprivation; MVPA = moderate-to-vigorous physical activity