Robot-assisted exercise improves gait and physical function in older adults: a usability study

BMC Geriatrics

Table 3 Spearman’s correlation coefficient and point-biserial correlation between age, physical function, safety, and satisfaction

	Age	10MWT	SPPB	TUG	6MWT	BBS	FSST	GDS-SF
Q1	0.109	0.226	−0.103	0.149	0.292	−0.344	0.007	−0.034
Q2	0.379	−0.065	−0.257	0.140	−0.228	−0.333	0.284	0.293
Q3	−0.117	0.224	0.283	−0.185	0.302	0.020	−0.302	−0.148
Q4	0.480^**	−0.396^*	−0.497^**	0.337	−0.275	−0.731^**	0.297	0.160
Q5	0.087	−0.084	−0.081	0.086	−0.036	−0.057	−0.106	−0.228
Q6	0.092	−0.182	−0.311	0.117	0.036	−0.140	0.284	0.112
Q7	0.149	−0.167	−0.163	0.041	0.118	−0.319	−0.190	−0.129
Q8	−0.018	−0.026	0.090	0.061	0.120	−0.188	−0.040	−0.155
Q9	0.205	−0.047	−0.094	−0.002	−0.095	−0.344	−0.059	−0.006
Q10	0.061	−0.117	−0.316	0.227	−0.129	−0.178	0.284	0.119
Q11	−0.097	−0.101	−0.268	0.329	−0.070	−0.195	0.127	−0.220
Q12	0.154	−0.274	−0.321	0.276	−0.070	−0.457^*	−0.068	0.061
Q13	0.247	−0.129	−0.304	0.299	−0.353	−0.282	0.064	0.158
Q14	−0.076	0.089	0.017	−0.058	0.138	−0.202	−0.196	−0.176
Q15	−0.187	0.069	0.106	0.131	0.084	−0.150	−0.226	−0.310
Q16	−0.606^**	0.382^*	0.783^**	−0.560^**	0.487^**	0.542^**	−0.448^*	−0.374^*

Statistical significant in analysis of Spearman’s correlation and point-biserial correlation (^*P < 0.05, ^**P < 0.01)
10MWT: 10-m walk test, SPPB: short physical performance battery, TUG: timed up-and-go test, 6MWT: 6-min walking test, BBS: Berg balance scale, FSST: four-square step test, GDS-SF: geriatric depression scale-short form

ISSN: 1471-2318