Table 3.

User experience at periods Time 1 (middle pilot) and Time 2 (end of pilot) (n=32).^a

		Time 1, mean (SD)	Time 2, mean (SD)	t (df)	P value
App
	PEUb	16.81 (2.21)	16.45 (2.11)	1.10 (30)	.28
	PUc	12.32 (2.89)	11.39 (3.87)	1.30 (30)	.20
	PQCd	17.77(3.55)	17.45(3.87)	0.58 (30)	.57
	Attitude	21.26 (3.69)	20.97 (3.23)	0.40 (30)	.69
Smartwatch
	PEU	17.23 (2.50)	17.39 (2.38)	–0.32 (30)	.75
	PU	13.39 (3.16)	13.58 (3.06)	–0.43 (30)	.67
	PQC	22.13 (5.43)	21.29 (5.77)	1.24 (30)	.23
	Attitude	21.94 (4.30)	22.65 (4.18)	–1.01 (30)	.32

^aScale scores from 1 (strongly agree; excellent) to 5 (strongly disagree; not know/no opinion).

^bPEU: perceived ease of use.

^cPU: perceived usefulness.

^dPQC: perceived quality of content.