System Usability Scale (SUS) and Perceived Quality Improvement (PQI) score*
| SUS* | Baseline | End-line | ||
| Mean (SD) | Converted† | Mean (SD) | Converted† | |
| 1. I think I would like to use this system frequently. | 4.8 (0.4) | 3.8 | 4.6 (1.1) | 3.6 |
| 2. I found the system unnecessarily complex. | 1.8 (1.3) | 3.2 | 1.1 (0.3) | 3.9 |
| 3. I thought the system was easy to use. | 4.2 (0.6) | 3.2 | 4.4 (1.1) | 3.4 |
| 4. I think that I would need the support of a technical person to be able to use this system. | 3.1 (1.5) | 1.9 | 1.6 (1.3) | 3.4 |
| 5. I found the various functions were well integrated. | 4.8 (0.4) | 3.8 | 4.8 (0.4) | 3.8 |
| 6. I thought there was too much inconsistency in this system. | 1.5 (0.7) | 3.5 | 1.8 (1.3) | 3.2 |
| 7. I would imagine that most people would learn to use this system. | 4.5 (0.7) | 3.5 | 4.2 (1.2) | 3.2 |
| 8. I found the system very cumbersome to use. | 1.9 (1.3) | 3.1 | 2.3 (1.3) | 2.7 |
| 9. I felt very confident using the system. | 4.5 (0.9) | 3.5 | 5.0 (0.0) | 4.0 |
| 10. I needed to learn a lot of things before I could get going with this system. | 2.3 (1.4) | 2.7 | 1.8 (1.2) | 3.2 |
| Calculated SUS (total converted mean scores × 2.5) | 80.8 | 86.1 | ||