Table 2.

Comparison of the rate of decline in each physical function in all subjects.

	All
	$\mathit{\beta }$	$\mathit{\alpha }$	DW	p	R2	p	R
One-leg standing time	−0.0174	1.51	2.031	*	0.427	*	1
Knee extension strength	−0.0076	1.24	1.769	*	0.149	*	2
Skeletal muscle mass	−0.0076	1.65	1.579	*	0.208	*	3
Grip strength	−0.0053	1.16	2.119	*	0.171	*	4
Timed up and go test	−0.0044	1.25	2.288	*	0.201	*	5
5 m walking test	−0.0041	1.28	1.97	*	0.114	*	6
FEV1	−0.0030	1.07	1.93	*	0.085	*	7
Bone area ratio	−0.0026	0.98	1.877	*	0.096	*	8
Trunk forward bending	−0.0038	0.91	1.792	0.060	0.025	0.043

β: rate of decline, α: physical function level of the 30 s, DW: Durbin–Watson ratio, R: rank based on β, * p < 0.001.