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Title: Reliability and validity study of a thai version of the neck disability index in patients with neck pain
Authors: Panya Luksanapruksa
Thanet Wathana-apisit
Somyot Wanasinthop
Sanyapong Sanpakit
Cholavech Chavasiri
Mahidol University
Keywords: Medicine
Issue Date: 1-May-2012
Citation: Journal of the Medical Association of Thailand. Vol.95, No.5 (2012), 681-688
Abstract: Objective: To evaluate the reliability and validity of the Thai version of the Neck Disability Index (NDI) in neck pain patients. Material and Method: The NDI was translated into Thai. The translation strategy used international standards. Forty-six Thai patients with neck pain were included in the present study. Thai version NDI, Short Form-36 (SF-36) and Visual Analogue Scale (VAS) were completed by all subjects, twice, one week apart. The reliability and validity were subsequently analyzed. Results: Intraclass correlation coefficient score for test retest reliability was 0.986. Cronbach's alpha for internal consistency was calculated as 0.925. For concurrent validity, the relation between NDI and VAS was investigated, the r value was 0.886 (p < 0.001). For construct validity, the relation between NDI and the Thai version of SF-36 was -0.427. The mental health component was highest correlated with NDI. Conclusion: The Thai version of NDI is a valid and reliable measurement method for evaluating neck pain disability.
ISSN: 01252208
Appears in Collections:Scopus 2011-2015

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