Table 2.

User experience questionnaire survey score (N = 38).

	HHD	Oursa	CIM [95% CI]	p-value
Supportive	1.08 ± 1.57	1.66 ± 1.19	0.58 [− 0.06, 1.21]	0.064
Easy	0.79 ± 1.95	2.00 ± 1.34	1.21 [0.45, 1.97]	0.004
Efficient	0.39 ± 1.95	1.84 ± 1.13	1.45 [0.72, 2.18]	< 0.001
Clear	0.84 ± 1.84	1.63 ± 1.51	0.79 [0.02, 1.56]	0.032
Exciting	0.79 ± 1.40	1.05 ± 1.41	0.26 [− 0.38, 0.91]	0.287
Interesting	0.95 ± 1.43	1.18 ± 1.43	0.23 [− 0.42, 0.89]	0.152
Inventive	0.05 ± 1.77	1.55 ± 1.41	1.50 [0.77, 2.23]	< 0.001
Leading edge	0.00 ± 1.76	0.92 ± 1.38	0.92 [0.20, 1.64]	0.004
Total score	4.89 ± 0.41	11.83 ± 0.39	6.94 [6.55, 7.33]	< 0.001

HHD hand-held dynamometer, CIM change in mean, CI confidence interval.

Significant values are in bold.

^aOurs: the portable dynamometer.