Table 1.
Accelerometer criteria
| Criteria | Definitions MoMo | Definitions CCS |
|---|---|---|
| Accelerometer devices | ActiGraph (models: GT3X + , wGT3X-BT | ActiGraph (model: wGT3X-BT) |
| Placement of the device | Laterally on top of the right anterior superior iliac spine | ✓ |
| Sampling frequency | 30 Hz | ✓ |
| Filter | Normal ActiGraph GT3X filter | ✓ |
| Epoch lengths | 1 s convertible into 5 s, 10 s, 15 s, 30 s, and 60 s | ✓ |
| Non-wear time definition | Choi et al. (2011): 90 min time window for consecutive zero/nonzero counts; allowance of a 2 min interval of nonzero counts with an up/downstream 30-min consecutive zero counts window | ✓ |
| Valid days/valid weeks | 8 h of recordings on four weekdays and one further weekend day when wearing the device for 7 days | ✓ |
| Population age range | Children, adolescents, and young adults from 9–15 years | ✓ |
| Sedentary and physical activity intensity classification and cut-point algorithms |
9–10 years: Evenson et al. (2008) 11–15 years: Romanzini et al. (2014) |
✓ |
Same definition = ✓