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Construct and criterion validity of the Malay Language of Lower Extremity Functional Scale (LEFS)

Mohd Yunus, Muhammad Ariff and Musa, Ramli and Nazri, Mohd Yusof (2017) Construct and criterion validity of the Malay Language of Lower Extremity Functional Scale (LEFS). Asia-Pacific Journal of Sport Medicine, Arthroscopy, rehabilitation and Technology, 10. pp. 8-11. ISSN 2214-6873

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Abstract

Objective: The objective of this study is to translate the Lower Extremity Functional Scale (LEFS) into the Malay language and to validate the resulting version. Methods: A two-stage observational study was conducted. The LEFS was initially cross-culturally adapted to Malay language through double forward and backward translation. The finalized version of Malay LEFS (M-LEFS) was subsequently validated for both construct validity and criterion validity. Participants (n = 208) with normal lower limb condition and various lower limb conditions completed the M-LEFS. Results: Reliability of M-LEFS revealed excellent Cronbach’s alpha value of 0.98. Construct validity, evaluated using exploratory factor analysis, exhibited good factor loadings (>0.6) of all 20 items. Interestingly, we extracted 2 components which was not reported elsewhere. With a cut-off point of 60, the sensitivity of the scale was 99% and the specificity was 81%. Conclusions: The M-LEFS had very good psychometric properties among the studied population. Further studies are needed to enhance these preliminary outcomes in Malaysia.

Item Type: Article (Journal)
Additional Information: 5818/58650
Uncontrolled Keywords: Cross-cultural adaptation; Lower extremity function; Malay version; Reliability; Validity
Subjects: R Medicine > RC Internal medicine > RC321 Neuroscience. Biological psychiatry. Neuropsychiatry
R Medicine > RC Internal medicine > RC1200 Sports Medicine
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Medicine > Department of Department of Orthopaedics, Traumatology & Rehabilitation
Kulliyyah of Medicine > Department of Psychiatry
Depositing User: Professor Ramli Musa
Date Deposited: 06 Oct 2017 11:40
Last Modified: 17 Apr 2018 11:35
URI: http://irep.iium.edu.my/id/eprint/58650

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