Table 6.

Characteristics of app acceptability for the intervention group postintervention.

Characteristic		Mean (SD) (n=38)
The SELMA app was
	Enjoyable (1 to 7)	5.5 (1.45)
	Easy to use (1 to 7)	6.34 (1.15)
	Useful (1 to 7)	5.47 (1.41)
Intervention
	Durationa	1.87 (0.70)
Messages
	Numberb	1.47 (0.76)
	Contentc	1.37 (0.71)

^a1=too short, 2=just right, 3=too long.

^b1=too seldom, 2=just right, 3=too often.

^c1=not detailed enough, 2=just right, 3=too elaborate.