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Abstract
BACKGROUND: Low health literacy is a global challenge. Health literacy is positively correlated with chronic airways disease desirable outcomes. Despite the importance of health literacy in disease management, current health literacy measurement tools are suboptimal. As part of a multi-stage project to develop a performance-based, disease-specific Vancouver Airways Health Literacy Tool (VAHLT) for individuals with chronic airways disease, this study assessed the relationships between the VAHLT scores and characteristics of patients with chronic airways disease. The primary aim of the study was to provide preliminary evidence of construct validity of the VAHLT.
METHODS: A cross-sectional study design was applied. Study subjects were recruited from 6 specialty care clinics to complete the VAHLT measurement tool. Demographic and clinical data, including quality of life and disease control, were collected via validated questionnaires. The study subjects also completed a spirometry test. Inferential analysis was conducted by using mean difference testing and correlational methods.
RESULTS: A total of 320 subjects were recruited, and, after imputing missing data, 315 were ultimately analyzed. The subjects were predominantly women (61%), white (83%), had a post–high-school education (74%), and a mean ± SD age of 65.2 ± 13.2 y. Age was significantly negatively correlated with the VAHLT scores (P = .004); the subjects with a post–high school education had significantly higher VAHLT scores than those with a high school education or less (P < .001). No significant sex or ethnicity related differences in VAHLT scores were observed. For clinical outcomes, no significant differences were found between the VAHLT scores and disease severity or measures of quality of life and asthma control.
CONCLUSIONS: We report a chronic airways disease–specific health literacy measurement tool developed with the involvement of patients and professionals. Age and education were highly correlated with health literacy, which emphasizes the importance of addressing these factors in health literacy interventions among patients with chronic airways disease.
- Assessment
- Asthma
- Chronic airways disease
- COPD
- Disease management
- Health competencies
- Health literacy
- Measurement
- Psychometrics
Footnotes
- Correspondence: Iraj Poureslami MD, Respiratory Medicine Division, Faculty of Medicine, University of British Columbia, 716–828 West 10th Avenue, Vancouver, BC, V5Z 1M9, Canada. E-mail: iraj.poureslami{at}ubc.ca
The authors have disclosed no conflicts of interest.
This study was funded through a grant awarded by Canadian Institutes of Health Research (Project 20R24515). The funder has no role in the design, methods, subject recruitment, data collection, analysis, and preparation of the paper.
- Copyright © 2023 by Daedalus Enterprises
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