Abstract
Purpose There are no disease-specific tools for assessing the functioning of patients with asthma. This study aims to evaluate the psychometric properties of the Brazilian version of the World Health Organization Disability Assessment Schedule (WHODAS 2.0) in individuals with asthma. Methods 101 individuals with asthma responded to the 36-item version of the WHODAS 2.0, Asthma Quality of Life Questionnaire (AQLQ), and Asthma Control Test (ACT). The following psychometric properties were tested: internal consistency, factor structure, and convergent and discriminative validity. Results Homogeneity was found between WHODAS 2.0 items and domains, except “Getting along” (Cronbach’s α = 0.57). When item “D4.5 Sexual activities” was deleted, the Cronbach’s increased to 0.70. Exploratory factor analysis identified four factors (explained variance 56%). There was a strong correlation between the WHODAS 2.0 and AQLQ (r=-0.72) and between the WHODAS 2.0 and ACT (r= −0.59). There was no evidence of the influence of obstruction level (FEV1) on functioning. Conclusion WHODAS 2.0 is a valid and reliable tool for assessing functioning in individuals with asthma. Exclusion of item D.4.5 Sexual activity increased the homogeneity between the items of the “Getting along” domain. When applied to asthmatics, the WHODAS total functioning score is preferable to the domain-specific scores.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
