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Enhancing commitment improves adherence to a medical regimen

D E Putnam1, J W Finney, P L Barkley

  • 1Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg 24061-0436.

Journal of Consulting and Clinical Psychology
|February 1, 1994
PubMed
Summary
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Improving antibiotic adherence is crucial. A commitment-based intervention significantly increased patient adherence to a 10-day antibiotic regimen compared to control groups.

Area of Science:

  • Behavioral Science
  • Health Psychology
  • Pharmacology

Background:

  • Patient adherence to prescribed medication regimens, particularly antibiotic treatments, remains a significant challenge in healthcare.
  • Suboptimal adherence can lead to treatment failure, antibiotic resistance, and increased healthcare costs.

Purpose of the Study:

  • To evaluate the effectiveness of a commitment-based intervention designed to improve adherence to a 10-day antibiotic regimen.
  • To explore the relationship between self-efficacy and medication adherence.

Main Methods:

  • An experimental study comparing a commitment-based intervention group with a control group performing unrelated tasks.
  • Participants in the experimental group made verbal and written commitments and engaged in investment-building tasks related to the medication.

Related Experiment Videos

  • Adherence was objectively measured using unannounced pill counts.

    • Main Results:

    • The commitment-based intervention group demonstrated significantly higher adherence rates compared to the control group.
    • Self-reported adherence showed a significant positive correlation with post-intervention self-efficacy, but not with pre-intervention self-efficacy.

    Conclusions:

    • Commitment-based strategies, grounded in the investment model, can effectively enhance patient adherence to antibiotic regimens.
    • Further research utilizing the investment model framework is warranted to optimize medication adherence interventions.