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disability

Response set bias, internal consistency and construct validity of the Oswestry Low Back Pain Disability Questionnaire

July 07, 2014

Background: The Oswestry Low Back Pain Disability Questionnaire (ODQ) is a widely used 10-item paper and pencil measure of disability resulting from low back pain. However, few studies have assessed the psychometric properties of the instrument. This study evaluated the response set bias, the internal consistency, and the construct validity of the ODQ. Objectives: The

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