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Adherence to Pharmacotherapy and Medication-Related Beliefs in Patients with Hypertension in Lima, Peru

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  • Marta Fernandez-Arias
  • Ana Acuna-Villaorduna
  • J Jaime Miranda
  • Francisco Diez-Canseco
  • German Malaga

Abstract

Objective: To characterize adherence to pharmacological medication and beliefs towards medication in a group of patients with hypertension in a large national hospital. Materials and Methods: Cross-sectional survey among patients with hypertension attending the outpatient clinic of a large national hospital. Exposure of interest was the patient's beliefs towards general medication and antihypertensive drugs, i.e. beliefs of harm, overuse, necessity and concern, measured using the Beliefs about Medication questionnaire. Main outcome was adherence measured using the Morisky Medication Adherence Scale-8. Multivariate analysis was conducted using Poisson distribution logistic regression, prevalence ratios and 95% confidence intervals were calculated. Results: Data from 115 participants, 67% females and mean age 62.7 years were analyzed. Low adherence was found in 57.4%. Highest scores were on the ideas of necessity and one of the most rated statements was “physicians would prescribe less medication if they spent more time with patients”. Beliefs of harm about medications and concerns about antihypertensive drugs were higher in the low adherence group (p

Suggested Citation

  • Marta Fernandez-Arias & Ana Acuna-Villaorduna & J Jaime Miranda & Francisco Diez-Canseco & German Malaga, 2014. "Adherence to Pharmacotherapy and Medication-Related Beliefs in Patients with Hypertension in Lima, Peru," PLOS ONE, Public Library of Science, vol. 9(12), pages 1-11, December.
    • Handle: RePEc:plo:pone00:0112875
    DOI: 10.1371/journal.pone.0112875
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    References listed on IDEAS

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    1. Pablo Perel & Juan P Casas & Zulma Ortiz & J Jaime Miranda, 2006. "Noncommunicable Diseases and Injuries in Latin America and the Caribbean: Time for Action," PLOS Medicine, Public Library of Science, vol. 3(9), pages 1-4, September.
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