Abstract
The Modified Barthel Index (MBI) (Shah version) is a widely used functional assessment measure with greater sensitivity and improved reliability compared to the original Barthel Index. The aim of this study was to adapt the MBI for use in Greece and measure its reliability and validity on a Greek neuro-rehabilitation population. Observational study. KAT Hospital Rehabilitation Clinic and National Rehabilitation Centre in Athens, Greece. A total of 100 rehabilitation inpatients and outpatients consisting of 50 stroke and 50 spinal cord injury (SCI) patients were evaluated. The MBI underwent the proper translation and cultural adaptation procedure as required by the World Health Organization and was administered to 100 rehabilitation patients. For criterion validity evaluation all patients were also assessed with the Katz Index of Independence in Activities of Daily Living (Katz Index) and the 36-Item Short Form Survey (SF-36) physical functioning subscale, both questionnaires having been validated for use in Greece. The unidimensionality solution was rejected and a two- factor solution was adopted based on exploratory and confirmatory factor analysis (Factor 1 - Transfers and Activities of Daily Living, Factor 2 - Mobility). Very high correlation was presented between the Katz Index score and the Greek MBI Factor 1 (r=0.888, P<0.001) and total score (r=0.873 P<0.001) respectively and high with MBI Factor 2 (r=0.561, P<0.001). High correlation was observed between the SF-36 physical functioning subscale score with MBI Factor 1 (r=0.522, P<0.001), MBI Factor 2 (r=0.590, P<0.001) and MBI Total score (r=0.580, P<0.001). The internal consistency of the MBI Factor 1, Factor 2 and Total score was 0.920, 0.860 and 0.923 respectively. Test-retest reliability was remarkably consistent (total score 0.994, P<0.001). The Greek version of the Modified Barthel Index has been found to exhibit satisfactory levels of reliability and validity. The Greek MBI adaptation is an adequate and useful instrument for use on Greek neuro-rehabilitation patients.
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More From: European journal of physical and rehabilitation medicine
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