Table 3.

Effectiveness of apps on participant health outcomes (N=31).

Participant health outcome	No evidence, n	Some evidence, n	Significant evidence, n (%)	Studies reporting outcome, n
Weight/BMI change [35,41-46,48,50,55,59,60]	10	1	1 (8)	12
Waist circumference/body adiposity [43,53,59]	2	1	0 (0)	3
Mental well-being (eg, depression, anxiety, perceived stress, life satisfaction, and mood) [26,50,61-63]	2	3	0 (0)	5
Blood pressure [35,41,46,51,54]	5	0	0 (0)	5
Cardiovascular risk factors [54,55]	2	0	0 (0)	2
Blood measures (eg, blood glucose and blood lipids) [41,54]	2	0	0 (0)	2
Urinary sodium [43,51]	1	1	0 (0)	2
Total	24	6	1 (3)	31