Table 1.

Manufacturer, Device Name, and Data Details for Wearable Devices Used Within the Study

Manufacturer	Device	Data	Reference
ActiGraph (Pensacola, FL)	Link	Wrist-worn device, triaxial accelerometer sampling at 80 Hz.	http://actigraphcorp.com/products/actigraph-link/
Apple (Cupertino, CA)	Watch (Series 2)	Wrist-worn device, triaxial accelerometer sampling at 1.33 Hz, PPG sensor provides BPM estimates at approximately 0.2 Hz.	http://www.apple.com/watch/
Oura (Oulu, Finland)	Ring (Version 1)	Finger worn device, accelerometer internally sampling at 50 Hz, providing motion counts at 30 s intervals, PPG sensor internally sampling at 250 Hz, providing R–R intervals.	http://ouraring.com/
Philips Respironics (Murrysville, PA)	Spectrum Plus	Wrist-worn device, accelerometer internally sampling at 32 Hz, providing motion counts at 30-s intervals.	http://www.actigraphy.com/devices/actiwatch/actiwatch-pro.html