App use. Figures are mean (SD) unless stated otherwise
| Intervention (n=31) | Active control (n=28)* | |
| Number of days a patient has used the app (within 60 days of randomisation) | 1.8 (4.3) | 7.0 (10.5) |
| Number of weeks a patient has used the app on 3 or more days (within the first 8 weeks from randomisation) | 0.3 (0.8) | 1.0 (1.6) |
| Used the app on 22 or more days within the first 60 days from randomisation—n (%) | 0 (0.0) | 2 (7.1) |
| Used the app on 3 or more days in 6 or more weeks (within the first 8 weeks from randomisation)—n (%) | 0 (0.0) | 0 (0.0) |
| Used the app on 22 or more days within the first 60 days and used the app on 3 or more days in 6 or more weeks within the first 8 weeks from randomisation—n (%) | 0 (0.0) | 0 (0.0) |
*Two participants in the active control group withdrew permission for their data to be used and are excluded from this analysis.