Table 4.

Univariate and multivariate logistic regression analysis to identify the significant predictor variables for high adherence to medication

Parameters	Univariate analysis			Multivariate analysis
Parameters	OR	95% CI for OR	P value	OR	95% CI for OR	P value
Age	1.007	0.994 to 1.021	0.277	-	-	-
Gender (ref: female)	1.016	0.781 to 1.322	0.906	-	-	-
Race (ref: non-middle eastern)	1.296	0.95 to 1.753	0.092	-	-	-
Education (ref: illiterate)
Primary/secondary school	1.638	0.950 to 2.824	0.076	1.70	0.998 to 2.896	0.05*
College/university	2.191	1.270 to 3.778	0.005*	2.354	1.387 to 3.994	0.002*
Marital status (ref: not married)	0.840	0.622 to 1.133	0.253	-	-	-
Employment (ref: non employer)	1.681	1.258 to 2.247	< 0.001*	1.485	1.171 to 1.883	0.001*
Smoking (ref: smoker)	1.416	1.023 to 1.96	0.036*	-	-	-
BMI, Kg/m²	0.974	0.946 to 1.003	0.082	-	-	-
BMI (ref: > 30 Kg/m²)	1.102	0.793 to 1.531	0.562	-	-	-
SBP, mmHg	0.988	0.979 to 0.998	0.016*	0.989	0.980 to 0.998	0.021*
DBP, mmHg	0.983	0.967 to 0.999	0.033*	0.981	0.966 to 0.996	0.015*
HR, beat/min	0.969	0.955 to 0.983	< 0.001*	0.965	0.951 to 0.978	< 0.001*
Duration of HTN	1.004	0.987 to 1.022	0.61	-	-	-
Family history of HTN (ref: no family history)	0.918	0.717 to 1.174	0.493	-	-	-
Antihypertensive treatment (ref: ARBs/HCTZ)
ACE-I/HCTZ	0.622	0.452 to 0.858	0.114
ACE-I/CCB	0.998	0.652 to 1.528	0.993
ARBs/CCB	0.806	0.567 to 1.145	0.229
ARBs/CCB/HCTZ	0.773	0.526 to 1.136	0.190	-	-	-
β-blocker/HCTZ	0.732	0.496 to 1.082	0.118
ACEI/thiazide-like diuretic	0.358	0.063 to 2.037	0.247
β-blocker and CCB	1.335	0.178 to 10.008	0.779

*statistically significant