Table 2.
The mean counts of participants’ mHealth components during 8 weeks of intervention.
| mHealth components | Number of use per participants, mean (SD) |
| Total counts using a mobile appa | 309.5 (254.6) |
| Frequency of diet records | 105.2 (69.8) |
| Frequency of exercise records | 21.0 (28.9) |
| Frequency of weight records | 9.5 (13.2) |
| Number of articles read | 86.5 (78.2) |
| Number of posting on in-app group | 10.7 (19.1) |
| Number of replies to in-app group | 7.3 (17.3) |
| Number of expressing a favor on in-app group | 14.6 (41.4) |
| Number of coaching communications (in-app messages) | 54.8 (57.0) |
aTotal counts using a mobile app is the sum of diet records, exercise records, weight records, all in-app group records, number of messages, and number of articles read.