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Responsiveness of observational and self-report methods for assessing disability in mobility in patients with osteoarthritis.
Steultjens, M.P.M., Roorda, L.D., Dekker, J., Bijlsma, J.W.J. Responsiveness of observational and self-report methods for assessing disability in mobility in patients with osteoarthritis. Arthritis Care and Research: 2001, 45(1), 56-61
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Objective: To establish the responsiveness of observational and self-report methods for the assessment of disability in mobility in patients with osteoarthritis (OA). Methods: Data from 186 patients with hip OA of knee OA were used. Data from 1 observational method and 4 self-report methods for the assessment of disability in mobility were collected at week 0 and again 12 weeks later. Using correlations for factor analysis, the relationships among changes in these 5 methods were established. Results: Intercorrelations between change scores of the self-report methods ranged from 0.12 to 0.34. Correlations between the observational method and the self-report methods ranged from 0.14 to 0.26. In the factor analysis, both the self-reported methods and the observational method loaded on the same factor. Conclusion: In a longitudinal design, no evidence for differential responsiveness of observational and self-report methods was obtained.
Because of the advantages of questionnaires (they are easier to use, less time-consuming, and less of a burden to subjects), this implies that the use of self-report methods is to be preferred over observational methods. (aut.ref.)
Because of the advantages of questionnaires (they are easier to use, less time-consuming, and less of a burden to subjects), this implies that the use of self-report methods is to be preferred over observational methods. (aut.ref.)
Objective: To establish the responsiveness of observational and self-report methods for the assessment of disability in mobility in patients with osteoarthritis (OA). Methods: Data from 186 patients with hip OA of knee OA were used. Data from 1 observational method and 4 self-report methods for the assessment of disability in mobility were collected at week 0 and again 12 weeks later. Using correlations for factor analysis, the relationships among changes in these 5 methods were established. Results: Intercorrelations between change scores of the self-report methods ranged from 0.12 to 0.34. Correlations between the observational method and the self-report methods ranged from 0.14 to 0.26. In the factor analysis, both the self-reported methods and the observational method loaded on the same factor. Conclusion: In a longitudinal design, no evidence for differential responsiveness of observational and self-report methods was obtained.
Because of the advantages of questionnaires (they are easier to use, less time-consuming, and less of a burden to subjects), this implies that the use of self-report methods is to be preferred over observational methods. (aut.ref.)
Because of the advantages of questionnaires (they are easier to use, less time-consuming, and less of a burden to subjects), this implies that the use of self-report methods is to be preferred over observational methods. (aut.ref.)