Table 3.

Patients characteristics associated with knowledge score regarding prevention chronic kidney disease among hypertensive patients in multiple linear regression

Variablesa	Unstandardised coefficients (B)	Standardised coefficients (Beta)	P valueb	95% Confidence interval for B
Age (years)c
< 65	Ref.		< 0.001
≥ 65	−2.244	−0.181		−3.493 to −0.995
BMIc
Normal weight	Ref.		0.411
Overweight or obese	−0.813	− 0.042		−2.753 to 1.127
Education levelc
Below university education level	Ref.		0.009
University education level	1.989	0.135		0.506 to 3.473
Total number of medicationsc
< 4	Ref.		0.474
≥ 4	0.458	0.037		−0.799 to 1.714

^aUnivariate factors with p values < 0.05 were entered into the multiple linear regression

^bThe p-values are bold where they are less than the significance level cut-off of 0.05

^cNominal variables were entered into analyses using dummy coding