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. 2019 Aug 20;21(8):e12832. doi: 10.2196/12832

Compliance rates for participant-tracking sensors (n=212) and environment sensors (n=244) in the case study.

Sensor type and signals Sensors Participant who opted, n (%) Total hours Compliance ratea, n (%) Definition of compliance
Participant-tracking

Cardio, sleep, and steps Fitbit 208 (98.1) 236,725 152 (73.1) Average fraction of days per participant with >12 hours of data

Cardio, breath, and motion OMsignal 208 (98.1) 44,240 125 (60.1) Average fraction of work days per participant with >6 hours of data

Audio Jelly 184 (86.8) 37,065 131 (61.8) Average fraction of work days per participant with >6 hours of data

Locality Jelly+Owl-in-one 184 (86.8) 37,065 131 (61.8) Average fraction of work days per participant with >6 hours of data
Environment

Temperature, humidity, and motion Minews 239 (98.0) Uptime of the sensor network

aCompliance is computed as the presence of data exceeding half of the measurement period per day among the participants who opted in for each sensor.