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It is a condition-specific functional status questionnaire with 10 items including pain, personal care, lifting, reading, headaches, concentration, work, driving, sleeping and recreation.
NDI developed by: Vernon, H. & Mior, S. (1991). The Neck Disability Index: A study of reliability and validity. Journal of Manipulative and Physiological Therapeutics. 14, 409-415
Pain Intensity+Personal Care+Lifting+Reading+Headaches+Concentration+Work+Driving+Sleeping+Recreation
https://www.physio-pedia.com/Neck_Disability_Index
This questionnaire is designed how your neck pain affects your ability to manage everyday - life activities.
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