• J Med Assoc Thai · Oct 2006

    Clinical Trial

    Cross-cultural adaptation of modified Oswestry Low Back Pain Disability Questionnaire to Thai and its reliability.

    • Prasert Sakulsriprasert, Roongtiwa Vachalathiti, Mantana Vongsirinavarat, and Juthamard Kantasorn.
    • Faculty of Physical Therapy and Applied Movement Science, Mahidol University, 198/2 Somdej Phra Pinklao Rd., Bangyikhan, Bangplat, Bangkok 10700, Thailand.
    • J Med Assoc Thai. 2006 Oct 1;89(10):1694-701.

    ObjectiveThe present study aimed to cross-culturally adapt the modified Oswestry Low Back Pain Disability Questionnaire (ODQ) into Thai.Material And MethodThe process comprised of an initial forward translations from English to Thai, synthesis of the translations, back translation, and back translation approval. The approved version of Thai ODQ was then calculated for test-retest reliability. Forty patients with LBP, aged 40.1+/-10.7 years, were recruited into a test-retest reliability study.ResultsThe test-retest reliability, calculated by intraclass correlation coefficient, was assessed on two occasions separated by a time interval of 20-30 minutes. The values of test-retest reliability of items ranged from 0.80-1.00. The value of total score was 0.98.ConclusionThis finding indicated good reliability of the Thai version modified ODQ.

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