Table 1.

Sources of the collected digital phenotypes with data descriptions.

Source	Data
Global positioning system	Location coordinates (longitude and latitude).
Weather	Temperature, humidity, pressure, wind speed, cloudiness, amount of rain and snow, and times of sunrise and sunset.
Apps	App usage data.
Notifications	All notifications generated by any app installed on the phone.
Screen usage	Screen interactions and visited websites.
Wi-Fi signals	Access points.
Bluetooth signals	Nearby devices.
Battery status	Charging status, charging start time, charging end time, discharging start time, and discharging end time.
Calls	Call types (outgoing, incoming, and missed calls) and times. Numbers are stored in an encrypted format.
Keyboard	Time and the typed letters (numbers and emails are replaced with asterisks).
Consent form	Name and signature.
Questionnaire	We asked about interests, which we inferred from the data.
Activity recognition	Tilting, running, being within a vehicle, walking, being on a bicycle, and traveling on foot.