- The System Usability Scale score by 16 participants on Diabetic Retinopathy Health Education Programme webpage.
| Items | Score by 16 participants | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | P15 | P16 | |
| 1. I would use this application (app) often. | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 4 |
| 2. I found the app unnecessarily complex. | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| 3. I found the app easy to use. | 3 | 3 | 3 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 |
| 4. I think help from technical support would be needed to be able to use this app. | 3 | 3 | 2 | 1 | 2 | 2 | 1 | 4 | 2 | 2 | 3 | 3 | 4 | 2 | 1 | 2 |
| 5. I thought the different functions of the app were well integrated. | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 4 | 3 | 4 | 4 |
| 6. I thought there was great inconsistency in this app. | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 1 | 2 | 1 | 2 | 2 | 1 | 1 |
| 7. I would imagine that the majority of people would quickly learn how to use this app. | 3 | 2 | 3 | 4 | 4 | 2 | 3 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 |
| 8. I found the app very hard to use. | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 2 | 2 | 1 | 1 |
| 9. I felt confident using this app. | 3 | 3 | 3 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 |
| 10. I needed to learn a series of things before I could use the app. | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 1 | 1 |
| The score for each participant | 58 | 58 | 63 | 83 | 70 | 65 | 73 | 70 | 70 | 83 | 63 | 68 | 70 | 75 | 88 | 85 |
| Average Score | 72 | |||||||||||||||