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Ann Allergy Asthma Immunol. 2011 Feb;106(2):110-118.e1. doi: 10.1016/j.anai.2010.10.027. Epub 2011 Jan 8.

Evaluating quality of life in patients with asthma and rhinitis: English adaptation of the rhinasthma questionnaire.

Author information

  • 1Department of Medicine, University of California San Francisco, USA. hubert.chen@ucsf.edu

Abstract

BACKGROUND:

Separate health-related quality of life (HRQL) instruments exist for asthma and rhinitis. The Rhinasthma questionnaire, originally developed in Italian, is a unique measure designed for use where both conditions coexist.

OBJECTIVE:

We sought to assess the performance and validity of a new adaptation of the Rhinasthma questionnaire for use in English-speaking populations.

METHODS:

We analyzed cross-sectional data from an ongoing study of adults with asthma and rhinitis (n = 450), asthma alone (n = 75), or rhinitis alone (n = 20). Subjects were administered an English translation of the original 30-item Rhinasthma questionnaire. Health status measures simultaneously assessed include the Short Form (SF)-12, EuroQol (EQ)-5D, and Marks Asthma Quality-of-Life.

RESULTS:

Variable cluster analysis of the original 30-item instrument identified 5 discrete item clusters corresponding to the following domains: nasal (5 items), eye (4 items), respiratory (5 items), activity restriction (9 items), and treatment burden (5 items). Two other items were removed because of poor item-cluster correlations. Subjects with concomitant asthma and rhinitis had greater HRQL impairment, as measured by the Rhinasthma, than subjects with either asthma or rhinitis alone. The Rhinasthma correlated significantly (P < .05) with the SF-12, EQ-5D, and Marks Asthma Quality-of-Life in the anticipated direction consistent with the underlying constructs. In multiple logistic regression, poorer Rhinasthma HRQL was associated with significantly (P < .05) increased odds of both asthma- and rhinitis-related disability even after taking into account physical health status as measured by the SF-12.

CONCLUSION:

The 28-item English adaptation of Rhinasthma performs well in assessing HRQL in patients with asthma, rhinitis, or both conditions combined.

Copyright © 2011 American College of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.

PMID:
21277512
[PubMed - indexed for MEDLINE]
PMCID:
PMC3056500
Free PMC Article

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