Table 2. App engagement and usefulness ratings (Caria-group only; n=100).
| Measure | Value (n=100) |
|---|---|
| Number of sessions | |
| Mean (SD) | 53.24 (66.97) |
| Range | 1‐398 |
| Time on app (hours) | |
| Mean (SD) | 3.77 (15.57) |
| Range | 0.01‐157 |
| App persistence (days) | |
| Mean (SD) | 30 (15.73) |
| Range | 0‐42 |
| USEa—Usefulness of app | |
| Mean (SD) | 4.96 (1.86) |
| Range | 1-7 |
| USE—Ease of use | |
| Mean (SD) | 5.25 (2.06) |
| Range | 1-7 |
| USE—Ease of learning app | |
| Mean (SD) | 5.31 (2.02) |
| Range | 1-7 |
| USE—Satisfaction with app | |
| Mean (SD) | 5.04 (2.02) |
| Range | 1-7 |
| USE Total Score, mean (SD) | 20.6 (7.5) |
a
USE: Usefulness, Satisfaction, and Ease Questionnaire.