Table 3.

Coding frequencies by category.

Category		Praise frequency, n (%)	Criticism frequency, n (%)	Recommendation frequency, n (%)
Content (overall)
	Goal setting	0 (0)	0 (0)	1 (5)
	Information	12 (44)	3 (25)	2 (10)
	Monitoring-drinks diary	5 (18)	8 (67)	13 (62)
	Monitoring- graph	3 (11)	0 (0)	5 (24)
	Monitoring-general (praise/criticism)	4 (15)	0 (0)	0 (0)
	Positive reinforcement	0 (0)	1 (8)	0 (0)
	Reminders	1 (4)	0 (0)	0 (0)
	Rewards	1 (4)	0 (0)	0 (0)
	Tone	1 (4)	0 (0)	0 (0)
	General praise/criticism	0 (0)	0 (0)	0 (0)
Total		27 (100)	12 (100)	21 (101)
Functionality (overall)
	Data-entering	0 (0)	1 (3)	0 (0)
	Data-losing	0 (0)	4 (13)	0 (0)
	Data-saving	0 (0)	3 (9)	0 (0)
	Data-importing or exporting	0 (0)	0 (0)	2 (66)
	Description of bug	0 (0)	18 (56)	0 (0)
	Processing speed	0 (0)	3 (9)	1 (33)
	General praise/criticism	8 (100)	3 (9)	0 (0)
Total		8(100)	32 (99)	3 (99)
Esthetics (overall)
	Color	2 (50)	0 (0)	0 (0)
	Text	0 (0)	1 (33)	0 (0)
	General praise/criticism	2 (50)	2 (66)	0 (0)
Total		4 (100)	3 (99)	0 (0)
General comments		18(100)	6 (100)	0 (0)