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. 2018 Jan 15;11(1):27.
doi: 10.1186/s13104-018-3139-6.

Antihypertensive medication adherence and associated factors among adult hypertensive patients at Jimma University Specialized Hospital, southwest Ethiopia

Solomon Weldegebreal Asgedom  1 , Tesfay Mehari Atey  2 , Tigestu Alemu Desse  3
Affiliations

Antihypertensive medication adherence and associated factors among adult hypertensive patients at Jimma University Specialized Hospital, southwest Ethiopia

Solomon Weldegebreal Asgedom et al. BMC Res Notes. .

Erratum in

Abstract

Background: Adherence to antihypertensive medications is a key component to control blood pressure levels. Poor adherence to these medications leads to the development of hypertensive complications and increase risk of cardiovascular events which in turn reduces the ultimate clinical outcome. The purpose of this study was to assess antihypertensive medication adherence and associated factors among adult hypertensive patients. A hospital-based cross-sectional study among adult hypertensive patients was conducted at hypertensive follow-up clinic of Jimma University Specialized Hospital from March 4, 2015 to April 3, 2015. A simple random sampling technique was used to select the study participants from the study population. The study patients were interviewed and their medical charts were reviewed using a pretested structured questionnaire. Adherence was assessed using Morisky Medication Adherence Scale-8 (MMAS-8) and MMAS-8 score less than 6 was considered as non-adherent and MMAS-8 score was ≥ 6 was declared as adherence. Factors associated with adherence were identified using binary and multivariate logistic regression analysis. Crude odds ratio, adjusted odds ratio (AOR) and 95% confidence interval of the odds ratio were calculated using SPSS version 21. Variables with p-value less than 0.05 were assumed as statistically significant factors.

Results: Among 280 hypertensive patients, 61.8% of the study participants were found to be adherent. More than half (53.2%) of the participants were males and the mean age of the participants was 55.0 ± 12.7 years. Co-morbidity (AOR = 0.083, 95% CI = 0.033-0.207, p < 0.001), alcohol intake (AOR = 0.011, 95% CI = 0.002-0.079, p < 0.001), getting medications freely (AOR = 0.020, 95% CI = 0.003-0.117, p < 0.001), and combination of antihypertensive medications (AOR = 0.32, 95% CI = 0.144-0.712, p < 0.005) were inversely associated with antihypertensive medication adherence.

Conclusion: The adherence level to the prescribed antihypertensive medications was found to be sub-optimal according to the MMAS-8, and influenced by co morbidity, alcohol intake, self-purchasing of the medications and combination of antihypertensive medications.

Keywords: Adherence; Antihypertensive medications; Jimma University Specialized Hospital.

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Figures

Fig. 1
Fig. 1
Hypertension patient selection flow chart at Jimma University Specialized Hospital from March 4, 2015 to April 3, 2015. DASH dietary approach to stop hypertension
Fig. 2
Fig. 2
Prevalence of co morbidity among hypertensive patients at Jimma University Specialized Hospital from March 4, 2015 to April 3, 2015
Fig. 3
Fig. 3
Number of antihypertensive medications among hypertensive patients at Jimma University Specialized Hospital March 4, 2015 to April 3, 2015
See this image and copyright information in PMC

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