Table 3.

Multiple linear regression of all descriptive variables with dependent variable of quality of life index (total).

Model	Unstandardized coefficients (B)	Standard error	Standardized coefficients (β)	t-statistic	P value	95% Confidence Interval for B
(Constant)	35.591	9.224	–	3.859	<0.001*	17.309–53.874
Age	–0.148	0.068	–0.251	–2.184	0.031*	–0.282 to –0.014
Hemoglobin	–1.044	0.531	–0.198	–1.967	0.052	–2.096 to 0.008
Albumin	0.795	1.048	0.070	0.758	0.450	–1.283 to 2.872
Uric acid	–1.940	0.512	–0.341	–3.793	<0.001*	–2.955 to –0.926
Phosphate	–0.486	0.238	–0.188	–2.040	0.044*	–0.959 to –0.014
Calcium	–0.410	0.667	–0.064	–0.614	0.540	–1.732 to 0.912
Parathyroid hormone	–0.002	0.001	–0.117	–1.193	0.236	–0.004 to 0.001
Duration of hemodialysis onset	–0.087	0.156	–0.051	–0.557	0.579	–0.397 to 0.223
BMI	0.495	0.128	0.466	3.860	<0.001*	0.241 to 0.749