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Int J Prev Med. 2019 Aug 1;10:130. doi: 10.4103/ijpvm.IJPVM_579_18. eCollection 2019.

Iranian Version of Barthel Index: Validity and Reliability in Outpatients' Elderly.

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Department of Elderly Health Research, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
Department of Gerontology and Geriatric, Medical School, Tehran University of Medical Sciences, Tehran, Iran.
Department of Occupational Therapy, Shohada Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.



Validation study of Barthel Index for elderly patients being attended in outpatient and rehabilitation clinics in Iran.


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.


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.


The Barthel Index shows a good validity and reliability, and recommended to use in the Iranian geriatric outpatients in evaluating physical ability.


Barthel-ADL; Iran; elderly; geriatric outpatients; validity

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