Table 2.

Real-time, online assessment and mobility monitoring exit questionnaire.

Question	Participants,a n (%)		P valueb
	Response: yes	Response: no
Do you regularly wear a wristwatch?	16 (62)	10 (38)	.16
Would you wear the Samsung smartwatch as your personal watch? (n=24)	11 (46)	13 (54)	.77
For research purposes, would you occasionally wear the watch while sleeping?	21 (81)	5 (19)	<.001
Was the text large enough to read?	22 (85)	4 (16)	<.001
Was it easy to enter the ratings using the smartwatch?	26 (100)	0 (0)	N/Ac
Did you charge it every night?	26 (100)	0 (0)	N/A
Did the watch ever run out of battery (ie, battery died) while you were wearing it?	20 (77)	6 (23)	<.001

^aTotal number of participants is 26, unless otherwise noted in the row header.

^bFisher exact test.

^cN/A: not applicable.