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Predictors of asthma medication nonadherence.
Susan L Janson1, Gillian Earnest, Kelly P Wong
1School of Nursing, University of California San Francisco, San Francisco, CA 94143-0608, USA.
Heart & Lung : the Journal of Critical Care
|May 17, 2008
Summary
Asthma medication adherence is linked to socioeconomic factors and disease severity. Understanding these predictors is key for improving treatment adherence in adults with asthma.
Area of Science:
- Pulmonary Medicine
- Clinical Pharmacy
- Health Services Research
Background:
- Asthma medication adherence is crucial for disease management.
- Inhaled corticosteroid (ICS) underuse and inhaled beta-agonist (IBA) overuse are common issues.
- Predictors of nonadherence require further investigation.
Purpose of the Study:
- To characterize asthma medication adherence behaviors.
- To identify factors associated with ICS underuse.
- To identify factors associated with IBA overuse.
Main Methods:
- 158 adult asthma patients with rhinitis were studied.
- Data collected included self-reported adherence, spirometry, and IgE levels.
- Patients were prescribed ICS, IBA, or both.
Main Results:
- ICS underuse correlated with higher FEV1% predicted and lower income.
- IBA overuse correlated with greater perceived asthma severity and lower education level.
- Statistical significance was observed for all reported associations (P < .05).
Conclusions:
- Socioeconomic status influences adherence to asthma medications.
- Perceived and actual disease severity impact adherence.
- Assessing these factors is vital for understanding adherence and clinical outcomes.
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