Table 1. Laboratory and field tests conducted for comparison of the Fitbit Charge HR and research-grade measures.
| Category | # | Activity | Time | Description |
|---|---|---|---|---|
| Sitting | 1 | Quiet | 5 minutes | Sitting quietly |
| 2 | Music | 5 minutes | Listening to music | |
| 3 | Game | 5 minutes | Playing iPad game | |
| Effort | Time | Description | ||
| Stationary Cycling | 4 | Moderate (0.8W/kg) | 6 minutes | Cycling @ 55+ rpm |
| 5 | Vigorous (1.2W/kg) | 6 minutes | Cycling @ 55+ rpm | |
| Speed | Time | Description | ||
| Treadmill Walking or Jogging | 6 | 3 mph | 6 minutes | Walking on a treadmill |
| 7 | 4 mph | 6 minutes | Running/fast walking on a treadmill | |
| 8 | 3 mph with backpack | 6 minutes | Walking on a treadmill with backpack weighing 10% of body weight | |
| Direction | Flights | Description | ||
| Stair Walking | 9 | Up | 5 | Going up stairs |
| 10 | Down | 5 | Going down stairs | |
| Course | Length | Description | ||
| Outdoor Walking | 11 | Uphill | 200m | Walking up a marked 200m uphill |
| 12 | Flat | 400m | Walking a marked 400m flat course | |
| 13 | Downhill | 200m | Walking down a marked 200m downhill | |
| Course | Time | Description | ||
| Agility Drills | 14 | Ladder Drills | 5 minutes | Agility Ladder Drills |
| Flag/Cones Drills | Shuttle runs and agility drills |