Assessing Adherence to Asthma Medication and Inhaler Regimens: A Psychometric Analysis of Adult Self-Report Scales

Poor adherence to recommended regimens is a substantial problem in the clinical management of adults with asthma and other chronic diseases. Research on adherence assessment is complicated by methodological difficulties including limitations associated with the use of self-report measures. In this s...

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Bibliographic Details
Published in:Medical care 1994-03, Vol.32 (3), p.298-307
Main Authors: Brooks, C. Michael, Richards, James M., Kohler, Connie L., Soong, Seng-Jaw, Martin, Beverly, Windsor, Richard A., Bailey, William C.
Format: Article
Language:English
Subjects:
Administration, Inhalation
Adult
Asthma
Asthma - drug therapy
Blood
Bronchodilator Agents - administration & dosage
Female
Humans
Hypertension
Inhalers
Logistic regression
Lung diseases
Male
Medication adherence
Medications
Middle Aged
Patient Compliance
Psychometrics
Self Administration
Standard deviation
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Summary:Poor adherence to recommended regimens is a substantial problem in the clinical management of adults with asthma and other chronic diseases. Research on adherence assessment is complicated by methodological difficulties including limitations associated with the use of self-report measures. In this study, psychometric techniques were used to analyze two self-report scales for assessing adherence to recommended medication and inhaler use regimens in adults with asthma. Results indicated that the two scales had standard deviations large enough to detect variation adherence, had adequate reliability, and reflected the impact of an intervention designed to improve adherence. The results supported the usefulness of these scales for research on adherence. Additional analyses indicated that the two scales could be combined if the research goal required an overall measure of adherence.
ISSN:0025-7079
1537-1948
DOI:10.1097/00005650-199403000-00008