Table 4.
Individual SUSa item scores (N=22).
| SUS item | Statement (rank your impression from 1 to 5; 1=strongly disagree and 5=strongly agree) | Values, mean (SD) | 5=strongly agree, n (%) | 1=strongly disagree, n (%) |
| 1 | I would use this app frequently | 5 (0) | 22 (100) | 0 (0) |
| 2 | I found the app too complex | 1.6 (0.8) | 0 (0) | 13 (59) |
| 3 | I found the app easy to use | 5 (0) | 22 (100) | 0 (0) |
| 4 | I need a technical person to use this app | 2.3 (0.9) | 0 (0) | 4 (18) |
| 5 | The app features are well integrated | 4.9 (0.3) | 20 (91) | 0 (0) |
| 6 | There was inconsistency in the app | 1.4 (0.9) | 1 (5) | 17 (77) |
| 7 | I can easily learn to use this app | 4.6 (1.2) | 20 (91) | 2 (9) |
| 8 | I found the app cumbersome to use | 1.5 (1.1) | 1 (5) | 16 (73) |
| 9 | It was easy to use the app during training | 5 (0) | 22 (100) | 0 (0) |
| 10 | I needed to learn many things before I could use the app | 3.6 (1.6) | 11 (50) | 4 (18) |
aSUS: System Usability Scale.