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Published on: March 2, 2011
Understanding medication compliance and persistence from an economics perspective
Rachel A Elliott1, Judith A Shinogle, Pamela Peele
1School of Pharmacy, The University of Nottingham, University Park, Nottingham, UK.
Summary
Economic models offer insights into medication noncompliance, but further empirical research is needed to validate their application in understanding patient behavior and improving treatment effectiveness.
Area of Science:
- Health Economics
- Behavioral Economics
- Pharmaceutical Policy
Background:
- Medication noncompliance and lack of persistence negatively impact treatment effectiveness and patient health.
- Previous explanations for noncompliance have focused on epidemiological, sociological, and psychological factors.
- Economic models offer a novel perspective to understand medication-taking behavior.
Purpose of the Study:
- To explore the applicability of various economic models in understanding medication noncompliance.
- To review existing empirical evidence for economic models related to medication adherence.
- To identify gaps in research regarding economic influences on medication use.
Main Methods:
- Review and application of economic models including utility maximization, time preferences, health capital, bilateral bargaining, stated preference, and prospect theory to medication noncompliance.
- Examination of traditional consumer choice models and their limitations in explaining medication adherence.
- Analysis of empirical evidence for the application of stated preference methods in medicine use.
Main Results:
- While budget constraints influence medication use, they are not the sole determinant of consumer choice.
- Patient preferences are significantly influenced by medication side effects and evolve with age and experience.
- Prospect theory offers a framework for understanding how new information affects risk perception and behavior, though not yet empirically applied to medication use.
Conclusions:
- Economic models provide a valuable framework for understanding medication use and noncompliance.
- Further empirical research is crucial to fully assess the applicability and utility of these economic models in clinical practice.
- Integrating economic perspectives can enhance strategies to improve patient adherence and treatment outcomes.
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