KMID : 0603920200280040111
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Journal of Korean Academy of Occupational Therapy 2020 Volume.28 No. 4 p.111 ~ p.120
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Psychometric Properties of the Modified Barthel Index for Children With Rare Disorders
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Lim Yoon-Jeong
Pritchard Kevin T. Nam Sang-Hun Hong Ick-Pyo
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Abstract
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Objective: The Modified Barthel Index (MBI) measures individuals¡¯ level of independence in performing activitiesof daily living. The purpose of this study was to examine the internal consistency and construct validity of theMBI for children with rare disorders.
Methods: The study participants are children with rare disorders who have muscle weakness including Barthsyndrome and congenital muscular dystrophy (N = 113). The MBI was completed by participants in either anonline format utilizing the UF Qualtrics system or a pencil-and-paper format. Statistical analysis was conductedto examine the psychometric properties of the MBI.
Results: The MBI showed excellent internal consistency for children with Barth syndrome (Cronbach¡¯s ¥á = .91)and congenital muscular dystrophy (Cronbach¡¯s ¥á = .93). Construct validity was supported by a significantdifference in MBI scores among participants grouped by diagnoses. MBI score was significantly differentbetween the unaffected group and congenital muscular dystrophy (p < .0001) as well as between the unaffectedgroup and Barth syndrome (p < .0001).
Conclusion: The psychometric properties of the MBI present good reliability and construct validity suggestingsuitability for use as an outcome measure for children with rare disorders.
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KEYWORD
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Activities of Daily Living, Children with Rare Disorders, MBI, Outcome Measure
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