Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24941
Title: Use of modified northwick park neck pain questionnaire in patients with postirradiation neck disability : validation study
Authors: Yeung, PLC
Chiu, TTW
Leung, ASL
Keywords: Chinese
Head and neck cancer
Nasopharyngeal
Postirradiation neck disability
Questionnaire
Issue Date: 2004
Source: Head and neck, 2004, v. 26, no. 12, p. 1031-1037 How to cite?
Journal: Head and Neck 
Abstract: Background. No available measure exists for post-irradiation neck disability. Adoption of the Chinese Northwick Park Neck Pain Questionnaire (NPQ) for patients with postirradiation neck disability was examined in this study. Methods. Eight physiotherapists and five patients were invited to test the validity of the content. Forty-three patients with neck disability were recruited to evaluate test-retest reliability and internal consistency. The level of neck discomfort, range of neck motion and maximal isometric neck muscle strength, and SF-36 health score were measured for construct validity testing. Results. The questionnaire had good content validity, a high degree of test-retest reliability, internal consistency (intraclass correlation coefficient [ICC], 0.94; Cronbach's alpha, 0.88), and good construct validity. NPQ correlated significantly with most of the subscores of SF-36 (r s, -0.43 to -0.71) and numeric rating scale (r s = 0.69). Conclusion. The modified Chinese NPQ was found to be reliable and valid for the evaluation of postirradiation neck disability.
URI: http://hdl.handle.net/10397/24941
ISSN: 1043-3074
DOI: 10.1002/hed.20102
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