Table 2 The statements of the System Usability Scale questionnaire [34] with indications of negative or positive statements

1

I think that I would like to use the eHRF prototype.

X

2

I found the eHRF prototype unnecessarily complex.

X

3

I thought the eHRF prototype was easy to use.

X

4

I think that I would need the support of a technical person to be able to use this eHRF prototype.

X

5

I found the various functions in this eHRF prototype were clear and well organized.

X

6

I thought there were too many contradictions and illogical pathways in this eHRF prototype.

X

7

I would imagine that most people would learn to use this eHRF prototype very quickly.

X

8

I found the eHRF prototype very awkward to use.

X

9

I felt very confident using the eHRF prototype.

X

10

I needed to learn a lot of things before I could get going with this eHRF prototype.

X