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Late Life Function and Disability Instrument
 — 1. Development and evaluation of the disability component
Author(s)Alan M Jette, Stephen M Haley, Wendy J Coster
Journal titleJournals of Gerontology: Series A, Biological Sciences and Medical Sciences, vol 57A, no 4, April 2002
Pagespp M209-M216
KeywordsPhysical capacity ; Performance ; Physical disabilities ; Evaluation.
AnnotationEfforts to evaluate the effectiveness of clinical and community-based interventions designed to impact late-life disability have been hindered significantly by limitations to current instrumentation. The authors applied Nagi's disablement model to write questionnaire items assessing disability in terms of frequency and limitation in performance of 25 life tasks. Validity and reliability were evaluated with 150 ethnically and racially diverse adults aged 60+ who had a range of functional limitations. Factor analysis resulted in a 16-item disability component with two dimensions: one focused on frequency of performance (consisting of a personal and social role domain), and the other dealing with limitation in performance of life tasks (consisting of an instrumental and management domain). Thus, the Late-Life Function and Disability Instrument has potential to assess meaningful concepts of disability across a wide variety of life tasks with relatively few items. (RH).
Accession NumberCPA-020725205 A
ClassmarkBI: 5H: BN: 4C

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