. 2022 Aug 15;1(8):e0000079. doi: 10.1371/journal.pdig.0000079

Table 4. Sensors and data collected in included studies.

	Sensor	Data collected	24	25	26	27	28	29	30	31	32	33	34	36	37	38	39	40
Phone-based (Passive)	GPS	Location	✓			✓	✓											✓
	Accelerometer	Movement/ step count	✓			✓									✓			✓
	Clock	Time of day	✓
	Ambient light sensor	Amount of light in background				✓
	Phone activity	App use data					✓				✓
		Data usage													✓
		Wifi																✓
		Number of messages sent/received					✓				✓							✓
		Screen on/off timings					✓
		Number of calendar events																✓
		Average call duration																✓
		Time of phone use																✓
		Call logs				✓
App (Active)	User self-documented	Journal					✓								✓
		Mood / stress		✓	✓			✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
		Reminders													✓
		Safety plan steps													✓
Wearable	Accelerometer	Movement/ step count					✓	✓	✓	✓					✓
	Sleep tracker	Minute-level sleep data							✓	✓					✓
	Electrodermal	Skin temperature / conductivity					✓
	Heart rate monitor	Heart rate data							✓	✓
	Ambient light sensor	Brightness					✓		✓
Public archives	Historical records	Daylight time						✓
		Temperature						✓
		Precipitation						✓