Table 6.
Number of intended app interactions by health domain in the included studies evaluating specific mobile health apps (N=97).
| Health domains | Values, mean (SD) | Values, median (IQR) | Values, range |
| NCDa self-management | 141.6 (184.3) | 90 (178.5-35) | 6-615.4 |
| Mental health | 64.5 (124.6) | 39.5 (57.5-6) | 4-577.9 |
| Substance use | 51.3 (56.2) | 19.1 (88.9-9) | 4-170.7 |
| Nutrition | 31.8 (27.8) | 21 (56-10) | 4-82.5 |
| Physical activity | 60.8 (35.3) | 67 (93.3-24) | 12-100 |
| Weight loss | 210.5 (213.3) | 168 (259.3-78) | 52-730 |
| MLIb | 40.2 (36.3) | 25.7 (81-6.8) | 1-90 |
| Mindfulness | 144.1 (243.8) | 30 (197.2-24.5) | 21-730 |
| Other NCDs | 39.8 (35.3) | 35 (65.5-5.8) | 2-107.1 |
| All domains | 90.1 (145.9) | 51 (90-20.1) | 1-730 |
aNCD: noncommunicable disease.
bMLI: multicomponent lifestyle intervention.