The Neck Disability Index: state-of-the-art, 1991-2008.
BACKGROUND: Published in 1991, the Neck Disability Index (NDI) was the first instrument designed to assess self-rated disability in patients with neck pain. This article reviews the history of the NDI and the current state of the research into its psychometric properties--reliability, validity, and...
| Published in: | Journal of Manipulative & Physiological Therapeutics Vol. 31; no. 7; pp. 491 - 503 |
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| Format: | research systematic review tables/charts Journal Article |
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Elsevier B.V.
Sep2008
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| Online Access: | View this record in EBSCOhost |