Structural Validity of the Rheumatology Attitudes Index in Systemic Sclerosis: Analysis from the UCLA Scleroderma Quality of Life Study.
cross_sectional · Level IV
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- Record sourced from PubMed, PMID 28412704.
- Also identified by DOI 10.3899/jrheum.161080 and PMC identifier 5457305.
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Abstract
To evaluate the structural validity of the Rheumatology Attitudes Index (RAI), a widely used measure of rheumatic disease-related helplessness in patients with systemic sclerosis (SSc). Patients with physician-confirmed SSc from the University of California, Los Angeles (UCLA) Scleroderma Quality of Life Study (n = 208) received clinical examinations and completed self-report questionnaires. The structural validity of the RAI was examined through confirmatory and exploratory factor analysis (CFA/EFA). A tenable factor structure was not identified through CFA or EFA. The present structural analysis did not support the use of the RAI with SSc patients.
Medical subject headings
- Attitude
- Quality of Life
- Scleroderma, Systemic