Table 1.

Participants’ characteristics (N=30).

Characteristics		Value, n (%)
Gender
	Female	20 (67)
	Male	9 (30)
	Prefer not to disclose	1 (3)
Background
	Health and related areas (eg, eHealth researcher, rehabilitation specialist, medical device specialist, and gerontologist)	5 (17)
	Social sciences (eg, psychologist, accessibility specialist, and learning technologies specialist)	5 (17)
	Communication and technology sciences (eg, usability researcher, technology manager, and assistive technology developer)	8 (27)
	Computer and biomedical engineering (eg, computer science researcher, software developer, bioengineer, and robotics engineer)	12 (40)
Country
	Portugal	10 (33)
	Spain	5(17)
	Italy	4 (13)
	Greece	3 (10)
	Germany	2 (7)
	France	1 (3)
	Belgium	1 (3)
	Switzerland	1 (3)
	England	1 (3)
	Netherlands	1 (3)
	Norway	1 (3)
Experience with usability evaluation
	At least designed 2 studies + participated in the evaluation of usability for at least 2 projects and had 2 usability evaluation publications	8 (27)
	At least designed 2 studies and participated in the evaluation of usability for at least 2 projects	6 (20)
	At least 2 usability evaluation publications	3 (10)
	At least participated in the evaluation of usability for at least 2 projects	13 (43)