Examples of published intensity thresholds for time spent sedentary and moderate-intensity activity in youth
| Reference | Calibration activities | Sedentary | Moderate | Definition of MPA |
|---|---|---|---|---|
| Treuth et al41 | Mixed | <100 | >3000 | 4.6 METs |
| Mattocks et al44 | Mixed | NA | >3600 | 4.0 METs |
| Puyau et al46 | Mixed | <800 | >3200 | >0.05 and <0.10 kcal/kg/min |
| Trost et al53 | Treadmill | Age dependent | ||
| 6 years | Treadmill | NA | >1400 | 4.0 METs |
| 8 years | Treadmill | NA | >1638 | 4.0 METs |
| 10 years | Treadmill | NA | >1910 | 4.0 METs |
| 12 years | Treadmill | NA | >2220 | 4.0 METs |
| 14 years | Treadmill | NA | >2580 | 4.0 METs |
| 16 years | Treadmill | NA | >3000 | 4.0 METs |
METs, metabolic equivalents; MPA, moderate-intensity physical activity; NA, not available.