Skip to main content
. Author manuscript; available in PMC: 2021 Jul 27.
Published in final edited form as: Proc ACM Hum Comput Interact. 2019 Nov 7;3(CSCW):1–29. doi: 10.1145/3359216

Table 6.

Sensor features. Daily averages within the duration of the study are considered as global features for the starred (*) items.

Relevant Behavior Features Sensor
Physical Activity most common activity; number of steps* Activity Steps
Phone Usage length* and its min, max, mean, and standard deviation of interactions or unlocks; first time turned on/locked each day; last on/locked/unlocked each day; Screen
Social Inateractions number of incoming/outgoing/missed calls*; duration of incoming/outgoing calls* Call
Mobility number of changes in activities*; number of activities*; location variance*; radius of gyration*; total distance traveled* and its descriptive statistics (min, max, mean, standard deviation); location entropy*; number of distinct locations visited; circadian movement*; number of transitions between different locations*; percentage of time in motion*; length* of stay in different locations and its descriptive statistics (min, max, mean, standard deviation); time* spent at top three most visited locations; time* spent at rare locations Activity Location
Sleep total time in bed*; total time asleep*; number of sleep periods; minutes to fall asleep/awake/asleep* and onset of the main sleep and other sleeps in aggregate Sleep