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Association Between Cost-Related Medication Nonadherence and Hypertension Management Among US Adults

Jing Fang1, Tiffany Chang2, Guijing Wang1

  • 1Division for Heart Disease and Stroke Prevention, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.

American Journal of Hypertension
|May 6, 2020
PubMed

Insights

Cost-related medication nonadherence (CRMN) negatively impacts hypertension management. Adults without CRMN were more likely to use antihypertensive medications and report normal blood pressure, highlighting financial barriers in hypertension care.

Area of Science:

  • Public Health
  • Health Services Research
  • Cardiovascular Disease

Background:

  • Medication nonadherence is a key factor in uncontrolled hypertension.
  • Financial constraints are significant contributors to medication nonadherence.
  • Understanding cost-related medication nonadherence (CRMN) is crucial for effective hypertension management.

Purpose of the Study:

  • To investigate the association between CRMN and antihypertensive medication use.
  • To examine the link between CRMN and self-reported normal blood pressure in US adults with hypertension.

Main Methods:

  • Analysis of data from 7,498 US adults with self-reported hypertension from the 2017 National Health Interview Survey.
  • CRMN assessed using standard survey questions.
  • Hypertension management indicators included current antihypertensive medication use and self-reported normal blood pressure within the past 12 months.

Main Results:

  • 10.7% of participants reported CRMN.
  • Higher percentages of current antihypertensive medication use (88.6% vs. 82.9%) and normal blood pressure (69.8% vs. 59.5%) were observed in those without CRMN compared to those with CRMN.
  • Individuals without CRMN were significantly more likely to report current medication use (OR=1.08) and normal blood pressure (OR=1.15).

Conclusions:

  • US adults with hypertension and without CRMN demonstrate better medication adherence and blood pressure control.
  • Persistent financial barriers to medication access impede effective hypertension management.
  • Addressing cost-related nonadherence is essential for improving hypertension outcomes.
Abstract

Keywords:
adherenceageantihypertensive medication useblood pressurecost-related medication nonadherencehypertensionnormal blood pressuresex

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