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Objective: To examine the test-retest reliability, convergent validity, and predictive validity of the comprehensive activities of daily living (CADL) measure in patients with stroke. Design: A repeated-assessments design, 10-14 days apart, was used to examine test-retest reliability in 70 patients. In the validity study, a further 168 patients were assessed at 6 months and 1 year after stroke. Setting: Three rehabilitation units. Main outcome measures: The CADL measure, providing Rasch-calibrated scores, assesses the entire continuum of basic and instrumental activities of daily living. Both domains (self-care and mobility) of the stroke-specific quality of life questionnaire (SS-QOL) were used to examine the convergent validity. The summary score of the SS-QOL was used as the criterion for examining the predictive validity of the CADL measure. Results: The test-retest reliability was excellent (intraclass correlation coefficient = 0.96). The CADL measure and both domains of the SS-QOL exhibited strong associations at 6 months and 1 year post-stroke (Pearson's r ≥ 0.77). The score of the CADL at 6 months post-stroke was highly correlated with that of the SS-QOL at 1 year post-stroke (r = 0.75). Conclusion: The CADL measure showed satisfactory test-retest reliability, convergent validity, and predictive validity in patients with stroke.
School of Occupational Therapy, College of Medicine, National Taiwan University, Taipei, Taiwan.
This article was published in the following journal.
Name: Journal of rehabilitation medicine : official journal of the UEMS European Board of Physical and Rehabilitation Medicine
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