Table 3.

Multiple linear regression analysis of association between participants’ characteristics and their quality of life (EQ-5D-Score)

Variables	Unstandardized coefficients		Standardized coefficients	T	p value*	95.0% confidence interval for B		Collinearity statistics
	B	Std. error	Beta			Lower bound	Upper bound	VIF
(Constant)	1.1	0.13		8.77	< 0.001	0.85	1.35
Age	− 0.1	0.02	− 0.15	− 4.83	< 0.001	− 0.15	− 0.06	1.26
Gender	0	0.02	0	− 0.07	0.941	− 0.04	0.04	1.27
BMI	− 0.01	0.01	− 0.01	− 0.46	0.644	− 0.03	0.02	1.19
Educational level	0	0.01	− 0.02	− 0.56	0.578	− 0.02	0.01	1.31
Occupational status	0.02	0.03	0.03	0.79	0.43	− 0.03	0.07	1.43
Income	0.02	0.02	0.04	1.32	0.189	− 0.01	0.06	1.25
Dialysis vintage	− 0.01	0.02	− 0.02	− 0.74	0.462	− 0.05	0.02	1.08
Previous kidney transplantation	− 0.02	0.05	− 0.01	− 0.35	0.723	− 0.11	0.08	1.08
Number of chronic diseases	0	0.01	0	− 0.14	0.886	− 0.02	0.02	1.38
Pain severity score	− 0.01	0	− 0.16	− 2.98	0.003	− 0.01	0	2.03
Pain interference score	− 0.01	0	− 0.67	− 11.78	< 0.001	− 0.01	− 0.01	2.27

^*Bold values denote statistical significance at the p < 0.05 level