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Reliability of a medication adherence measure in an outpatient setting

Marie Krousel-Wood1, Paul Muntner, Ann Jannu

  • 1Research Division, Ochsner Clinic Foundation, Department of Epidemiology, Tulane University Health Sciences Center, School of Public Health and Tropical Medicine, New Orleans, Louisiana 70121, USA. mawood@ochsner.org

The American Journal of the Medical Sciences
|September 22, 2005
PubMed

Insights

The Hill-Bone Compliance Scale

Area of Science:

  • Medical adherence research
  • Hypertension management
  • Geriatric medicine

Background:

  • Measuring medication compliance in outpatient settings is challenging.
  • The Hill-Bone Compliance Scale is a potential tool for assessing adherence.
  • Reliable measurement tools are needed for effective hypertension management.

Purpose of the Study:

  • To evaluate the reliability of the Hill-Bone Compliance Scale.
  • To assess medication compliance in elderly hypertensive patients.
  • To determine the scale's utility in outpatient settings.

Main Methods:

  • Cross-sectional survey of 239 community-dwelling hypertensive patients.
  • Self-administered questionnaire including demographic data and the Hill-Bone Compliance Scale.
  • Analysis of the nine-item medication compliance subscale using Cronbach's alpha and correlation.

Main Results:

  • The medication compliance subscale showed a Cronbach's alpha of 0.68.
  • Items within the subscale demonstrated good internal consistency.
  • Older age, white ethnicity, and higher education were associated with higher self-reported compliance.

Conclusions:

  • The medication compliance subscale of the Hill-Bone Compliance Scale is reliable.
  • The scale may be a valuable instrument for identifying noncompliant patients.
  • This tool can aid in improving medication adherence in hypertension care.
Abstract

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