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. Author manuscript; available in PMC: 2022 May 1.
Published in final edited form as: J Psychiatr Res. 2020 Nov 4;137:613–620. doi: 10.1016/j.jpsychires.2020.11.002

Table 1.

Description of smartphone sensors

Metric Description
Mobility
Distance traveled Mean distance traveled per day in kilometers
Flight duration Mean of each movement duration in minutes per day
Time at home Mean time spent at home per day in hours
Significant Locations Mean number of significant locations visited per day
Pause Mean probability of being stationary relative to time moving per day
Routine Mean circadian routine (break in routine vs. following routine) per day
Speech
rVAD Amount of time in which user speech is detected in hours