Prevalence of pain and its association with quality of life of patients with heart failure in a developing country: findings from a multicenter cross-sectional study

Table 7 Analysis of the relationship between participant characteristics and their quality of life by using multiple linear regression (EQ-5D-Score)

Model ^a		Unstandardized Coefficients		Standardized Coefficients	T	P value *	95.0% Confidence Interval for B		Collinearity
Model ^a		B	Std. Error	Beta	T	P value *	Lower Bound	Upper Bound	VIF
1	(Constant)	0.760	0.239		3.185	0.002	0.288	1.232
	Educational level	0.014	0.022	0.049	0.608	0.544	− 0.031	0.058	1.436
	Gender	0.055	0.062	0.075	0.886	0.377	− 0.068	0.177	1.635
	Income	0.142	0.070	0.159	2.037	0.044	0.004	0.280	1.375
	Social Status	− 0.049	0.071	− 0.056	− 0.693	0.489	− 0.189	0.091	1.493
	Occupation	− 0.096	0.074	− 0.101	− 1.294	0.198	− 0.242	0.051	1.383
	Pain severity categories	− 0.159	0.029	− 0.424	− 5.575	< 0.001	− 0.215	− 0.103	1.308
	Pain interference categories	− 0.226	0.065	− 0.250	− 3.504	0.001	− 0.354	− 0.099	1.150

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