Table 2 Multivariable linear regression analysis to explain HRQoL: PCS and MCS

Beta

Beta

p value

Beta

p value

Beta

p value

Optimism, LOT-R

−0.045

0.68

1.03

<0.0001

0.18

0.39

1.40

<0.0001

BMI, for an increase of 3 points

−052

0.022

−0.37

0.159

−1.63

<0.001

0.60

0.3367

Work status (paid employment)

2.06

0.021

−0.63

0.54

−1.37

0.30

−0.52

0.78

Global assessment VAS

−1.1

<0.0001

−0.52

0.08

−1.48

<0.001

−0.76

0.037

BASDAI

−0.79

0.014

−1.2

0.0026

N/A

N/A

N/A

N/A

BASFI

−0.10

0.0001

−0.05

0.30

N/A

N/A

N/A

N/A