Table 4.

Questionnaire results in the intervention group at the end of the follow-up (n=16).

How satisfied are you with (...) your device ?	Not at all, n (%)	Not very, n (%)	More or less, n (%)	Quite, n (%)	Very, n (%)
...the dimensions of...	0 (0)	0 (0)	3 (19)	4 (25)	9 (56)
...the weight of...	0 (0)	0 (0)	2 (12)	0 (0)	14 (88)
...the ease in adjusting...	0 (0)	0 (0)	2 (12)	4 (25)	10 (63)
...the safety of...	0 (0)	0 (0)	4 (25)	2 (12)	10 (63)
...the robustness...	1 (6)	0 (0)	3 (19)	3 (19)	9 (56)
...the ease of use...	1 (6)	4 (25)	1 (6)	4 (25)	6 (38)
...the comfort...	0 (0)	1 (6)	2 (12)	3 (19)	10 (63)
...the effectiveness...	4 (25)	1 (6)	4 (25)	1 (6)	6 (38)