Table 3.

MiSARA app acceptability (n=39).

Content area and item		Participants, n (%)a
Appearance
	Overall	31 (79) rated average, good, excellent
	Appealing design	36 (92)
	Interactivity	26 (67) not enough 12 (31) just right 1 (3) too much
Enjoyment
	Fun to use	27 (69)
	Interesting	25 (64)
	Aquarium fun to use	19 (49)
	Aquarium influenced time using app	27 (75) not at all
Content
	Messages appropriate for age	36 (92)
Data acceptability
	Comfort answering self-report questions	36 (92) agree or strongly agree
	Comfort with passive data collection in app	28 (72) agree or strongly agree
	Prefer self-reporting in MiSARA rather than by text or phone	32 (82)
Technical issues
	Easy to use	34 (87)
	Clear app use instructions	35 (90)
	Frequency of problems	15 (38) none 15 (38) rarely 9 (23) sometimes or regularly

^aPercent rated 3 or higher (eg, somewhat) unless otherwise indicated.