Table 4 Group mode and mean (± SD) system usability scale scores post-trial
From: Influence of the intelligent knee osteoarthritis lifestyle app (iKOALA) on knee joint pain
Question | Modal value* | Mean (SD) |
|---|---|---|
1. I think that I would like to use this app frequently | 4 | 4 (1) |
2. I found this app unnecessarily complex | 2 | 2 (1) |
3. I thought this app was easy to use | 4 | 4 (1) |
4. I think that I would need assistance to be able to use this app | 1 | 2 (1) |
5. I found the various functions in this app were well integrated | 4 | 4 (1) |
6. I thought there was too much inconsistency in this app | 2 | 2 (1) |
7. I would imagine that most people would learn to use this app very quickly | 4 | 4 (1) |
8. I found this app very cumbersome/awkward to use | 2 | 2 (1) |
9. I felt very confident using this app | 4 | 4 (1) |
10. I needed to learn a lot of things before I could get going with this app | 2 | 2 (1) |