Table 1.

Mobile App Rating Scale item and subscale score averages for the assessed apps (N=53).

Subscale and item		Values, mean (SD)
Engagement
	Entertainment	2.2 (0.57)
	Interest	3.1 (0.97)
	Customization	2.0 (1.07)
	Interactivity	3.3 (0.69)
	Target audience	3.7 (0.92)
	Engagement average	2.8 (0.86)
Functionality
	Performance	4.0 (0.81)
	Ease of use	4.0 (0.68)
	Navigation	3.9 (0.52)
	Gestural design	4.1 (0.81)
	Functionality average	4.0 (0.72)
Esthetics
	Layout	3.5 (0.75)
	Graphics	3.0 (1.08)
	Visual appeal	2.7 (0.72)
	Aesthetics average	3.1 (0.87)
Information quality
	Description accuracy	4.3 (0.91)
	Goal setting	2.5 (2.24)
	Information quality	3.6 (0.95)
	Information quantity	3.0 (1.09)
	Visual information	3.0 (1.14)
	Credibility	2.6 (1.47)
	Evidence base	0.3 (0.89)
	Information average	2.7 (1.32)
Subjective quality
	Recommended app	2.8 (1.31)
	Frequency of app use	1.5 (0.54)
	Willingness to pay for app	1.2 (0.71)
	Subjective star rating	3.3 (1.17)
	Subjective average	2.2 (0.79)