Reliability and validity of the Continuous-Scale Physical Functional Performance test (CS-PEP10-HK)-Hong Kong version

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Reliability and validity of the Continuous-Scale Physical Functional Performance test (CS-PEP10-HK)-Hong Kong version


Author: Luk, Wai-yan
Title: Reliability and validity of the Continuous-Scale Physical Functional Performance test (CS-PEP10-HK)-Hong Kong version
Degree: M.Sc.
Year: 2009
Subject: Hong Kong Polytechnic University -- Dissertations
Physical fitness for older people -- China -- Hong Kong
Older people -- Health and hygiene -- China -- Hong Kong
Department: Dept. of Rehabilitation Sciences
Pages: x, 110 leaves : col. ill. ; 30 cm.
InnoPac Record:
Abstract: The purpose of this study was to evaluate the validity and reliability of the translated Chinese version of the Continuous-Scale Physical Functional Performance test (CS-PFP10-HK) and to evaluate the applicability of this assessment instrument on Chinese elderly in Hong Kong. The CS-PFP has been developed to provide a comprehensive measure of physical function that reflects abilities in several physical domains. It specifically targets older adults and has been validated over a board range of functional levels to assess overall physical perfonnance. A total of 90 subjects participated in this methodological study. Subjects were recruited through the specia1ty clinic on falls when attending medical follow up in day rehabilitation center at Kwong Wah Hospital by convenience sampling. Eighty of them (88.9%) were female and ten (11.1%) were male, the age range was from 60 to 87, with mean age at 74. The results of content validity indicated that the instrument had a high content equivalence between the original version and the translated Chinese version with the mean ratings on the quality and relevance of each task items ranged from 4 to 5. At least 80% of all ratings were 4 or above which indicated a high percentage of agreement among the panel of expert. Thus, in the convergent validity study of this instrument, two self-reported measures of the Modified Barthel Index and the Modified Lawton IADL scale were used. The performance-based CS-PFP10-HK test is more sensitive and more likely to identify a deficit in physical perfonnance. The instrument is potentially more efficient and more practical in clinical practice. The test-retest reliability of this study was found to be satisfactory with the ICC value at 0.98, with 95% confidence intervals from 0.97 to 0.99. Moreover, the value of ICC was 0.99 with 95% confidence interval from 0.991 to 0.998 indicated the inter-rater reliability of the instrument was good. The Cronbach's coefficient alpha obtained was 0.97 which was found to be good among the five physical domain scores of the CS-PFP10-HK. This suggested that they are closely related to one another and are approaching homogeneity. Clinically, the CS-PFP10-HK can be used as a screening tool to identify the early decline in the high functioning community living elderly because of its sensitivity to change and convenience to administer. It can be act as a valid and reliable outcome indicator to measure the physical functional performance of elderly in clinical setting.

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