Table 3 Pearson correlation between IC and age, BMI, diseases, ADL, and IADL

Vision

right

-0.27^**

< 0.001

-0.01

0.77

-0.16^*

0.01

0.02

0.68

0.16^*

0.01

left

-0.22^**

0.001

0.02

0.76

-0.14^*

0.03

0.10

0.11

0.25^**

< 0.001

Hand grip

right

-0.22^**

0.001

-0.05

0.46

-0.22^**

0.001

0.26^**

< 0.001

0.23^**

< 0.001

left

-0.21^*

0.002

-0.02

0.78

-0.14^*

0.03

0.24^**

< 0.001

0.26^**

< 0.001

HHIE-S

0.27^**

< 0.001

-0.02

0.75

0.08

0.24

-0.14^*

0.03

-0.17^*

0.01

GDS

0.06

0.05

0.04

0.48

0.04

0.55

-0.13

0.06

-0.16^*

0.01

AMT

-0.29^**

< 0.001

-0.03

0.58

-0.18^**

0.006

0.19^*

0.005

0.41^**

< 0.001

TUG

0.40^**

< 0.001

0.04

0.56

0.23^**

0.001

-0.02

0.69

-0.33^**

< 0.001

* p ≤ 0.05, ** p ≤ 0.001