Table 6.

Purposes for health app use (N=285).

App purpose		Category description	Number n (%)
Tracking total		Track one or more variables	117 (41.1)
	Tracking	Track a single variable	81 (28.4)
	Tracking multiple	Track multiple variables	36 (12.6)
Training/habit building		Long-term training or building a habit	69 (24.2)
Provides routine/activity		Provide exercise or routine	17 (6.0)
Instrument/tool		Used as an instrument or tool	16 (5.6)
Portal		Centralize medical experience, or coordinating a suite of apps	11 (3.9)
Resource		Helpful educational information or information database	11 (3.9)
Multipurpose		Purpose touched on two or more of the other categories	8 (2.8)
No purpose identified yet		App that had been downloaded, but not used enough to report a specific purpose	8 (2.8)
Work		Used for one’s profession	7 (2.5)
Transactional		Functioning as a scheduler or helping fulfill a transaction	6 (2.1)
Entertainment		A game or used to pass time	5 (1.8)
Reminder		Remind user of something	5 (1.8)
Not in Use		Not actually used, or app simply came preloaded on device	3 (1.1)
Community		Socialize or communicate with others	2 (0.7)