What are we measuring? An examination of self-reported functional status measures
Department of Quantitative Health Sciences
Activities of Daily Living; Arthritis, Rheumatoid; *Disability Evaluation; Humans; Joints; Locomotion; Mental Health; Movement; Pain; Questionnaires; *Self Concept; Statistics as Topic; Time Factors
Biostatistics | Epidemiology | Health Services Research
Functional status questionnaires are being used in various types of studies. To determine factors related to self-reported functional ability for rheumatoid arthritis patients, we examined the relationship between a functional and mental health questionnaire and objective disease-specific measures. Using 3-5 predictor variables, we explained 43-57% of the variance in patients' self-reported functioning. Mental and physical health perceptions were significant predictors for each self-reported functional measure. The relationships among mental health and self-reported functioning should be considered when interpreting studies that use functional status questionnaires.
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Citation: Arthritis Rheum. 1988 Jun;31(6):721-8. Link to article on publisher's site
Arthritis and rheumatism
Spiegel, Jane Sinden; Leake, Barbara; Spiegel, Timothy M.; Paulus, Harold E.; Kane, Robert L.; Ward, Nancy B.; and Ware, John E. Jr., "What are we measuring? An examination of self-reported functional status measures" (1988). Quantitative Health Sciences Publications and Presentations. 476.