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. Author manuscript; available in PMC: 2022 Jul 8.
Published in final edited form as: ACM Trans Comput Healthc. 2022 Apr 7;3(3):33. doi: 10.1145/3508020

Table 3:

Behavioral markers

Type Features
Daily Amount of time (in minutes) spent on each activity
Time of day (hours and minutes past midnight) of first and last occurrence for each activity
Amount of time spent at each location type
Step count, activity level, distance traveled
Number of missing values (minutes with no sensor readings)
Hourly Amount of time spent on each activity type and each location type
Total rotation, acceleration, distance traveled
Overall Regularity index (within week, within weekdays, between weeks)
Diurnal and Circadian rhythm