Table 2.

Exoskeleton usability survey results

Question (scale)	Mean (SD)
How easy did you find the exoskeleton to put on and adjust? (−1 = Difficult, 0 = Neutral, 1 = Easy)	0.34 (0.65)
After adjustment, how comfortable did you find the exoskeleton? (−1 = Uncomfortable, 0 = Neutral, 1 = Comfortable)	0.52 (0.32)
How difficult was your job without the exoskeleton? (−1 = Difficult, 0 = Neutral, 1 = Easy)	−0.08 (0.54)
How difficult was your job with the exoskeleton? (−1 = Difficult, 0 = Neutral, 1 = Easy)	0.46 (0.56)
How physically comfortable were you without the exoskeleton? (−1 = Uncomfortable, 0 = Neutral, 1 = Comfortable)	0.41 (0.56)
How physically comfortable were you with the exoskeleton? (−1 = Uncomfortable, 0 = Neutral, 1 = Comfortable)	0.53 (0.33)
Did the exoskeleton hinder you in doing your job duties in any way? (−1 = Yes, 0 = Neutral, 1 = No)	−0.04 (0.77)
Overall, was the exoskeleton a benefit to your job duties? (−1 = No, 0 = Neutral, 1 = Yes)	0.47 (0.56)
Would you choose to use the exoskeleton for your job duties again? (−1 = No, 0 = Neutral, 1 = Yes)	0.50 (0.68)
Would you suggest others use the exoskeleton? (−1 = No, 0 = Neutral, 1 = Yes)	0.78 (0.45)