article information

Zahedan Journal of Research in Medical Sciences: Vol.16, issue 9
published online: January 06, 2013
article type: Research Article
received: August 02, 2012
accepted: October 18, 2012

Measuring the Validity and Reliability of the Persian Version of Stanford Health Assessment Questionnaire in Iranian Patients with Osteoarthritis

authors:

avatar Fatemeh Anvari 1 , avatar AliReza Khalilian 2 , avatar Reza Ali Mohammadpour 2 , avatar Maryam Mobini 3 , *

Medical Student, Mazandaran University of Medical Sciences, Sari, Iran
Department of Biostatistics, Mazandaran University of Medical Sciences, Sari, Iran
Department of Internal Medicine, Diabetes Research Center, Mazandaran University of Medical Sciences, Sari, Iran

how to cite: Anvari F , Khalilian A , Ali Mohammadpour R , Mobini M . Measuring the Validity and Reliability of the Persian Version of Stanford Health Assessment Questionnaire in Iranian Patients with Osteoarthritis. Zahedan J Res Med Sci. 2014;16(9): -.

Abstract

Background: Reliability and validity of health assessment questioner have been shown for rheumatoid arthritis but not osteoarthritis in Iranian patients. Having an instrument for measuring of pain and disability is needed for evaluation of patients and disease course in studies. So this study was designed for evaluating of validity and reliability of Persian HAQ in osteoarthritis.
Materials and Methods: From 177 patients with hand and/or knee osteoarthritis, 100 patients were chosen according HADS score equal or less than 7. Short Form of Health Survey (SF-36), pain and disability according Visual analogue scale (VAS) and Persian version of Health assessment questioner (HAQ) were completed. HAQ was re-evaluated after one week. Correlation between Persian HAQ, SF 36 and VAS and test-retest reliability were evaluated by Spearman correlation coefficient and Cronbach's alpha coefficient.
Results: Correlation coefficient for HAQ 1 and VAS for pain was (r=0.75, p=0.001) and for SF 36 was (r=0.70, p=0.001). Correlation coefficient for HAQ 1 and HAQ 2 was 0.93 for hand OA, 0.96 for knee OA and 0.94 for all patients (r= 0.92, p=0.001). HAQ had a good internal consistency in osteoarthritis (Cronbach's alpha coefficient=0.87). Criterion and structure validity used in study.
Conclusion: This study has shown good validity reliability for Persian HAQ in Iranian patients with osteoarthritis.

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