Table 3.
System usability score [9]
| All | *Survivors | Caregivers | |||||
|---|---|---|---|---|---|---|---|
| M | (SD) | M | (SD) | M | (SD) | ||
| I think that I would like to use this system frequently | 3.2 | (0.8) | 3.4 | (0.9) | 3.1 | (0.7) | Higher scores indicate more usability |
| I thought the system was easy to use | 4.5 | (0.8) | 4.9 | (0.3) | 4.1 | (0.9) | |
| I found the various functions in this system were well integrated | 4.2 | (0.8) | 4.4 | (0.8) | 4.1 | (0.7) | |
| I would imagine that most people would learn to use this system very quickly | 4.5 | (0.6) | 4.8 | (0.4) | 4.3 | (0.7) | |
| I felt very confident using the system | 4.3 | (1.0) | 4.7 | (1.1) | 4.0 | (0.8) | |
| I found the system unnecessarily complex | 1.7 | (0.9) | 1.2 | (0.4) | 2.1 | (0.9) | Lower scores indicate more usability |
| I think that I would need the support of a technical person to be able to use this system | 1.3 | (1.0) | 1.0 | (0.0) | 1.6 | (1.3) | |
| I thought there was too much inconsistency in this system | 1.4 | (0.8) | 1.2 | (0.4) | 1.6 | (1.0) | |
| I found the system very cumbersome to use | 1.5 | (1.1) | 1.7 | (1.4) | 1.4 | (0.8) | |
| I needed to learn a lot of things before I could get going with this system | 1.2 | (0.4) | 1.0 | (0.0) | 1.4 | (0.5) | |
| Total SUS score | 83.7 | (13.9) | 89.8 | (8.4) | 78.0 | (15.9) | |
| Satisfaction | 4.3 | (0.9) | 4.6 | (0.8) | 4.0 | (0.9) | |
| Relevance | 4.1 | (0.7) | 4.2 | (0.8) | 3.9 | (0.6) | |
Total scores are transformed to scale of 100; individual items are raw scales, 1–5
*SUS scores missing for one survivor