Table 3 Unadjusted linear mixed models for SPPB, TUG, 6-Meter Walk test and BI

SPPB

−1.28

− 1.96 – − 0.60

< 0.001^a

1.08

−0.33 – 2.48

0.138

2.37

1.43–3.32

< 0.001^c

TUG

7.24

2.74–11.68

0.003^a

− 1.80

−7.76 – 4.16

0.558

−11.38

− 17.48 – −5.29

0.001^c

6-Meter Walk test

−0.03

− 0.10 – 0.03

0.210

0.11

0.003–0.22

0.049^b

0.17

0.08–0.25

< 0.001^c

BI

−0.08

−4.81 – 4.62

0.973

7.57

−0.16 – 15.29

0.060

0.67

−5.51 – 6.84

0.833