TABLE 2.

Bivariate simple correlation analysis of each parameter

	Kihon checlist score	Grip strengh	Lip pressure	ODK “ka”	ODK “ta”	ODK “pa”	RSST	Tongue pressure	LSNS‐6	LSA	Age
Age	0.38**	−0.38**	−0.26**	−0.14	−0.29**	−0.18	−0.01	−0.27**	−0.10	−0.26**	1
LSA	−0.29**	0.19*	0.11	0.20*	0.24**	0.26**	0.22*	0.67**	0.22*	1
LSNS‐6	−0.14	0.13	0.02	−0.08	0.04	0.04	−0.01	0.12	1
Tongue pressure	−0.31**	0.36**	0.15	0.20*	0.30**	0.25**	0.18	1
RSST	−0.02	0.21*	0.04	0.06	0.14	0.26**	1
ODK “pa”	−0.18	0.24*	0.10	0.45**	0.63**	1
ODK “ta”	−0.25**	0.30**	0.19*	0.57**	1
ODK “ka”	−0.06	0.01	0.00	1
Lip pressure	−0.20*	0.28**	1
Grip strengh	−0.29**	1
Kihon checlist score	1

Abbreviations: LSA, Life‐Space Assessment; LSNA‐6, Lubben Social Network Scale‐6; ODK, oral diadochokinesis; RSST, repetitive saliva swallowing test.

^* p < .05;

^** p < .01.