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Iranian Version of Barthel Index: Validity and Reliability in Outpatients' Elderly
Sakar Hormozi1, Mahtab Alizadeh-Khoei1,2, Farshad Sharifi1
1Department of Elderly Health Research, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
Background:
Validation study of Barthel Index for elderly patients being attended in outpatient and rehabilitation clinics in Iran.
Methods:
Face-to-face interview with 395 out patients geriatric 60+ years was done in a cross-sectional study. The internal consistency Barthel-ADL was used to approve reliability. Criterion validity and factor analysis were used to verify validity.
Results:
Reliability the Iranian version BI was significant at 0.938. In criterion validity analysis, the high correlation tools included Functional Ambulation Category (FAC) and Foot and Ankle Ability Measure (FAAM-subscales ADL) at 0.947 and -0.945, respectively. In factor analyses, two domains obtained, the variance of 10 items achieved 69.79%; also, the Item Total Correlation (ITC) of each item was measured.
Conclusions:
The Barthel Index shows a good validity and reliability, and recommended to use in the Iranian geriatric outpatients in evaluating physical ability.