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Adaptation, Reliability and Validity Testing of a Persian Version of the Health Assessment Questionnaire-Disability Index in Iranian Patients With Rheumatoid Arthritis Publisher Pubmed



Nazarymoghadam S1 ; Zeinalzadeh A2 ; Salavati M3 ; Almasi S4 ; Negahban H1
Authors
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Authors Affiliations
  1. 1. Department of Physical Therapy, School of Paramedical Sciences, Mashhad University of Medical Sciences, Vakil abad Blvd, Bahonar Blvd, Pardis campus, Mashhad, Iran
  2. 2. Department of Physical Therapy, Faculty of Rehabilitation Sciences, Tehran University of Medical Sciences, Enghelab Avenue, Tehran, Iran
  3. 3. Department of Physiotherapy, University of Social Welfare and Rehabilitation Sciences, Koodakyar Ave, Daneshjoo Blvd, Evin, Tehran, Iran
  4. 4. Department of Rheumatology, Rheumatology Research Center, Firoozgar Hospital, Iran University of Medical Sciences (IUMS), Tehran, Iran

Source: Journal of Bodywork and Movement Therapies Published:2017


Abstract

Objective The aim of the present study was to culturally adapt and evaluate reliability and validity of Health Assessment Questionnaire-Disability Index (HAQ-DI) in Iranian patients with rheumatoid arthritis (RA). Subjects 234 patients with RA for validation study, Eighty-six participants for reliability study. Methods Test-retest relative reliability and internal consistency of Persian version of HAQ-DI were examined by intraclass correlation coefficient (ICC) and Cronbach's alpha, respectively. Additionally, HAQ-DI construct validity (Spearman's correlation) was examined using Persian version of Short-Form 36 Health survey (SF-36), activity and severity parameters. Results Persian version of HAQ-DI total score showed excellent test-retest reliability (ICC = 0.98) and internal consistency (Cronbach's alpha = 0.95). Spearman's correlations between the total PHAQ-DI score and activity and severity parameters were above 0.55. Correlation between PHAQ-DI and SF-36 Physical Health were higher as compared with SF-36 Mental Health. Conclusion Persian version of HAQ-DI is a reliable and valid culturally-adapted instrument in order to measure functional limitations in Iranian people with RA. © 2016 Elsevier Ltd
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