Table 3.

Results of the Marshfield Usability Survey: (1=Strongly Disagree; 2=Disagree; 3= Neither Agree nor Disagree; 4=Agree; 5=Strongly Agree). Results indicate very high usability. N = 25. SD = standard deviation, IQR = interquartile range.

Marshfield usability survey statements	Mean (SD)	Median(IQR)
I thought the system was easy to use	4.6 (0.5)	5 (4.0–5.0)
I felt very confident using the system	4.5 (0.5)	5 (4.0–5.0)
I needed to learn a lot of things before I could get going with the system	2.1 (1.0)	2 (1.0–2.0)
I felt that I needed someone’s help to be able to use the system	2.3 (1.3)	2 (1.0–4.0)
I found the system to be complex	1.6 (0.5)	2 (1.0–2.0)
Using the system did not take much time	4.5 (0.5)	5 (4.0–5.0)
I could always trust the system to work	4.1 (0.9)	4 (4.0–5.0)
My privacy was protected when I used the system	4.2 (0.8)	4 (4.0–5.0)
Using the system was as satisfying as talking to a real person	3.7 (0.8)	4 (3.0–4.0)
It was easy to learn to use the system	4.5 (0.6)	5 (4.0–5.0)
In general, I was satisfied with the system	4.6 (0.5)	5 (4.0–5.0)
I think most people could learn to use the system very quickly	4.4 (0.7)	5 (4.0–5.0)
I think I would like to use the system again	3.8 (1.1)	4 (3.0–5.0)
The system could help me better manage my health and medical needs	4.1 (1.1)	4 (4.0–5.0)
I could be more involved in my care by using the system	4.1 (1.1)	4 (4.0–5.0)
The system could help me monitor my medical condition	4.1 (1.0)	4 (4.0–5.0)