Table 3.
Daily health, behavioral, and environmental data collected during the Labs Without Walls pilot study using an iPhone (Apple Inc) and an Apple Watch (Apple Inc).
| Domain and measure | Input device | Are the data visible to participants in the app? | |||
| Energy used | |||||
|
|
Active energy (kJ) | Apple Watch | Yes | ||
|
|
Basal energy (kJ) | Apple Watch | Yes | ||
| Activity | |||||
|
|
Exercise (minutes) | Apple Watch | Yes | ||
|
|
Stand time (minutes) | Apple Watch | Yes | ||
|
|
Hours with at least 1 minute standing (number) | Apple Watch | Yes | ||
|
|
Step count (number) | Apple Watch | Yes | ||
|
|
Walk and run distance (km to 3 decimal places) | Apple Watch | Yes | ||
|
|
Flights of stairs climbed (number) | Apple Watch | Yes | ||
|
|
Hours the Apple Watch is worn (hour, to nearest quarter hour) | Apple Watch | Yes | ||
| Heart rate | |||||
|
|
Resting (beats per minute) | Apple Watch | Yes | ||
|
|
Walking (beats per minute) | Apple Watch | Yes | ||
|
|
Maximum (beats per minute) | Apple Watch | Yes | ||
|
|
Variability (SD of the interbeat [RRa] interval between normal heart beats) | Apple Watch | No | ||
| Mobility | |||||
|
|
Walking speed (km per hour) | iPhone and Apple Watch | Yes | ||
|
|
Walking step length (cm) | iPhone and Apple Watch | Yes | ||
|
|
6-minute walk: meters (to a maximum of 500 m) | iPhone and Apple Watch | No | ||
|
|
Stair speed (up and down; km per hour) | iPhone and Apple Watch | No | ||
|
|
Gait—double support time (percentage of total walk time) | iPhone and Apple Watch | No | ||
|
|
Gait—walking asymmetry (percentage of total walk time) | iPhone and Apple Watch | No | ||
| Noise exposure | |||||
|
|
Environmental (average and maximum) | Apple Watch | Yes | ||
|
|
Headphones (average and maximum) | iPhone | Yes | ||
| Sleep | |||||
|
|
Hours slept (number) | Apple Watch | Yes | ||
aRR communicates the time between 2 successive heartbeats.