Differences in reported psychometric properties of the Neck Disability Index: patient population or choice of methods?
Young BA, Walker MJ, Strunce JB, et al. Responsiveness of the Neck Disability Index in patients with mechanical neck disorders. Spine J 2009;9:802-808 (in this issue).
Hogg-Johnson
Sheilah
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D004185:Disability Evaluation; D006801:Humans; D019838:Neck Injuries / Q000150:complications* / Q000534:rehabilitation; D011594:Psychometrics / Q000379:methods*; D015203:Reproducibility of Results; D012720:Severity of Illness Index