Table 4.
Accelerometer Output (Counts·min−1)
| Children 8–11 yrs
|
Adolescents 12–16 yrs
|
|||||
|---|---|---|---|---|---|---|
| N | Mean ± SD | Range | N | Mean ± SD | Range | |
| Treadmill activities | ||||||
| 0.89 m·s−1 0% grade | 32 | 1023 ± 349 | 268–1708 | 0 | NA | NA |
| 0.89 m·s−1 3% grade | 32 | 1181 ± 399 | 459–1900 | 0 | NA | NA |
| 1.34 m·s−1 0% grade | 31 | 2481 ± 728 | 826–4758 | 28 | 2505 ± 681 | 1162–4097 |
| 1.56 m·s−1 0% grade | 27 | 3011 ± 966 | 1474–5957 | 28 | 3151 ± 863 | 1338–4676 |
| 1.56 m·s−1 3% grade | 0 | NA | NA | 28 | 3288 ± 834 | 1759–5009 |
| 2.24 m·s−1 0% grade | 0 | NA | NA | 24 | 6058 ± 1254 | 3429–8950 |
| Activities of daily living | ||||||
| Backpack (4.5 kg) | 32 | 2220 ± 722 | 944–4665 | 0 | NA | NA |
| Backpack (6.8 kg) | 0 | NA | NA | 26 | 2579 ± 652 | 1260–3843 |
| Basketball | 30 | 3650 ± 1068 | 1625–6309 | 28 | 4245 ± 1495 | 2482–8739 |
| Bike | 28 | 341 ± 549 | 10–2384 | 26 | 130 ± 171 | 8–677 |
| Crafts | 32 | 24 ± 30 | 0–124 | 0 | NA | NA |
| Board games | 0 | NA | NA | 28 | 28 ± 44 | 0–160 |
| Wii Tennis* | 32 | 273 ± 315 | 1–1197 | 28 | 67 ± 99 | 0–380 |
*
Counts different between children and adolescents.