Table 3.
Overall retention, engagement, and satisfaction.
| Description | Values | ||||
| Primary endpoints | |||||
|
|
Retentiona, n (%) | 34 (89) | |||
|
|
Engagementb, n (%) | 29 (76) | |||
|
|
Satisfactionc median (IQR) | ||||
|
|
|
MAUQd total score | 6.3 (5.8-6.7) | ||
|
|
|
Ease of use (mean of MAUQ items 1 to 5) | 6.4 (5.6-6.8) | ||
|
|
|
Interface and satisfaction (mean of MAUQ items 6 to 12) | 6.3 (5.9-6.9) | ||
|
|
|
Usefulness (mean of MAUQ items 13 to 18) | 6.0 (5.5-6.7) | ||
| Exploratory engagement metrics | |||||
|
|
Average activee days per week (0-7), median (IQR) | 6.8 (4.6-7.0) | |||
|
|
Average total active days (0-84), median (IQR) | 81 (45.8-84.0) | |||
|
|
Average daily missions completedf, mean (SD) | 6.9 (2.9) | |||
|
|
Average daily missions assigned, mean (SD) | 5.7 (0.49) | |||
|
|
Participants who were active >5 days every week, n (%) | 22 (58) | |||
|
|
Average number of messages sent by participants, mean (SD) | 15.5 (12.4) | |||
|
|
Average number of messages received by participants, mean (SD) | 23.5 (10.3) | |||
aRetention was defined as participants who completed the program, being active for 9 of 12 weeks. Being active was defined as completing at least 1 in-app mission or interacting at least once in that week with the health coach.
bEngagement was defined as participants who were active for the entire study period.
cSatisfaction was measured using the MAUQ.
dMAUQ: mHealth App Usability Questionnaire.
eAn active day was defined as a day in which the participant completed at least 1 in-app mission or interacted with the coach.
fThe participants receive daily assigned missions but also had the opportunity to complete additional missions within the app, thereby surpassing the number of assigned missions.