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Publication . Article . 2020

Non-Adherence to Prescribed Antihypertensives in Primary, Secondary and Tertiary Healthcare Settings in Islamabad, Pakistan: A Cross-Sectional Study

Mahmood, Sajid; Jalal, Zahraa; Abdul Hadi, Muhammad; Orooj, Hasan; Shah, Kifayat Ullah;
Open Access   English  
Published: 14 Jan 2020 Journal: Patient Preference and Adherence (issn: 1177-889X, Copyright policy )
Publisher: Dove Press
Abstract
Sajid Mahmood, 1 Zahraa Jalal, 2 Muhammad Abdul Hadi, 2 Hasan Orooj, 3 Kifayat Ullah Shah 1 1Department of Pharmacy, Quaid-e-Azam University, Islamabad 45320, Pakistan; 2School of Pharmacy, College of Medical and Dental Sciences, Institute of Clinical Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; 3Directorate of Health Services, Metropolitan Corporation Islamabad, Islamabad, PakistanCorrespondence: Kifayat Ullah ShahDepartment of Pharmacy, Quaid-e-Azam University, Islamabad 45320, PakistanTel +92-3325542722Email kushah@qau.edu.pkObjective: This study aimed to assess the prevalence and predictors of non-adherence to antihypertensive medication among patients with hypertension attending various healthcare settings in Islamabad, Pakistan.Methods: A questionnaire-based cross-sectional study was conducted in selected healthcare facilities between September 2017 and December 2018. The study was conducted in primary, secondary and tertiary healthcare settings in Islamabad, Pakistan. Medication adherence was assessed using the eight-item Morisky Medication Adherence Scale (MMAS-8). Sociodemographic and clinical data of recruited patients were collected through a structured questionnaire. Binary logistic regression analysis was performed to determine covariates significantly associated with medication adherence and blood pressure control.Results: A total of 776 hypertensive patients were invited and 741 (95%) completed the questionnaire. The mean ± SD age of participants was 53.6± 12.6 years; 284 patients (38.3%) had high adherence, 178 (24%) had moderate adherence and 279 (37.7%) were non-adherent to the prescribed antihypertensive therapy. Binary regression analysis revealed that old age (OR 1.783 [95% CI: 1.172– 2.712]; P=0.013), being educated (OR 2.018 [95% CI: 1.240– 3.284]; P=0.036), entitlement to free medical care (OR 1.369 [95% CI: 1.009– 1.859]; P=0.044), treatment duration (OR 2.868 [95% CI: 1.913– 4.299]; P=0.001), number of medications (OR 1.973 [95% CI: 1.560– 2.495]; P=0.001), presence of any comorbidity (OR 2.658 [95% CI: 1.836– 3.848]; P=0.001) and blood pressure control (OR 3.103 [95% CI: 2.268– 4.247]; P=0.001) were significantly associated with good adherence. Similarly, age (OR 1.998 [95% CI: 1.313– 3.040]; P=0.004), entitlement to free medical care (OR 1.498 [95% CI: 1.116– 2.010]; P=0.007), treatment duration (OR 1.886 [95% CI: 1.143– 3.113]; P=0.013), presence of any comorbidity (OR 1.552 [95% CI: 1.123– 2.147]; P=0.008) and adherence level (OR 3.103 [95% CI: 2.268– 4.247]; P=0.001) had significant association with controlled blood pressure. The following were the main reasons for non-adherence to prescribed antihypertensive medication: “don’t feel need for regular use“ (24.7%), “Carelessness“ (13.4%) and “adverse effects“ (11.2%).Conclusion: The prevalence of non-adherence to antihypertensive medications was high in the study population and poor medication adherence could potentially explain poor blood pressure control. Evidence-based targeted interventions on both medication adherence and blood pressure control should be introduced and implemented for better treatment outcomes.Keywords: cross-sectional study, adherence, hypertension, Asia, antihypertensives, blood pressure control, Pakistan
Subjects by Vocabulary

Library of Congress Subject Headings: lcsh:Medicine (General) lcsh:R5-920

Microsoft Academic Graph classification: Medicine business.industry business Adverse effect Internal medicine medicine.medical_specialty Population study Tertiary healthcare Non adherence Blood pressure Cross-sectional study Blood pressure control Comorbidity medicine.disease

Subjects

Patient Preference and Adherence, Original Research, cross-sectional study, adherence, hypertension, Asia, antihypertensives, blood pressure control, Pakistan, cross sectional study, Health Policy, Pharmacology, Toxicology and Pharmaceutics (miscellaneous), Social Sciences (miscellaneous), Medicine (miscellaneous)