Table 3.

Scores for all items of the System Usability Scale for Rileks (n=25).

Item	Score, mean (SD)a
I think that I would like to use Rileks frequently.	3.48 (0.82)
I found Rileks unnecessarily complex.b	3.40 (1.04)
I thought Rileks was easy to use.	3.56 (0.96)
I think that I would need the support of a technical person to be able to use Rileks.b	3.88 (1.01)
I found that the various functions in Rileks were well integrated.	3.72 (0.89)
I thought there was too much inconsistency in Rileks.b	3.56 (0.77)
I would imagine that most people would learn to use Rileks very quickly.	3.88 (0.73)
I found Rileks very cumbersome to use.b	3.44 (1.01)
I felt very confident using Rileks.	3.32 (0.85)
I needed to learn a lot of things before I could get going with Rileks.b	2.88 (1.27)

^aItems were rated on a 5-point Likert scale, ranging from 1 to 5, where higher scores indicate increased usability.

^bThe scores for this item were reversed.