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Cross-cultural Adaptation, Reliability, Validity, and Responsiveness of the Simplified-Chinese Version of Neck Disability Index
Cross-cultural adaptation and psychometric evaluation. OBJECTIVE. The aim of this study was to translate the Neck Disability Index (NDI) into the simplified-Chinese language and to evaluate the reliability, validity, and responsiveness of the new questionnaire. SUMMARY OF BACKGROUND DATA. Neck pain...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Lippincott Williams & Wilkins
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7208282/ https://www.ncbi.nlm.nih.gov/pubmed/31770333 http://dx.doi.org/10.1097/BRS.0000000000003325 |
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author | Lim, Hanniel Han Rong Tang, Zhi Yin Hashim, Masayu Afiqah Binte Masagoes Yang, Mingxing Koh, Eileen Yi Ling Koh, Kim Hwee |
author_facet | Lim, Hanniel Han Rong Tang, Zhi Yin Hashim, Masayu Afiqah Binte Masagoes Yang, Mingxing Koh, Eileen Yi Ling Koh, Kim Hwee |
author_sort | Lim, Hanniel Han Rong |
collection | PubMed |
description | Cross-cultural adaptation and psychometric evaluation. OBJECTIVE. The aim of this study was to translate the Neck Disability Index (NDI) into the simplified-Chinese language and to evaluate the reliability, validity, and responsiveness of the new questionnaire. SUMMARY OF BACKGROUND DATA. Neck pain is a major health problem resulting in major disability. NDI is the most frequently used scale for self-rating of disability due to neck pain. At present, there is no simplified-Chinese version of the NDI. The aims of this study were to culturally adapt and translate the NDI into the simplified-Chinese language (NDI-SC) and to evaluate its psychometric properties in patients with neck pain. METHODS. The NDI was translated into simplified-Chinese version based on established guidelines. A total of 70 patients participated in this study. Patients were asked to complete a set of questionnaires comprising of their demographic information, the NDI-SC, and a visual analog scale (VAS) of pain. Fifty-six patients returned after 1 to 2 weeks to complete the same set of questionnaires and the global rating of change (GROC) scale. Then, the NDI-SC was evaluated for content validity, construct validity, internal consistency, test-retest reliability, and responsiveness. RESULTS. The NDI-SC demonstrated excellent internal consistency (Cronbach α = 0.92) and good test-retest reliability (ICC(2,1) = 0.85). Content validity was confirmed as no floor or ceiling effects were detected for the NDI-SC total score. Construct validity was established with factor analysis revealing two-factor subscales explaining 66% of the variance. The NDI-SC showed a strong correlation with VAS (Rp = 0.61, P < 0.001) and a moderate correlation with GROC (Rs = 0.46, P < 0.001). The correlation between NDI-SC change scores and VAS change scores was also moderate (R(p) = 0.59, P < 0.001). CONCLUSION. The results showed that the NDI-SC is a reliable, valid, and responsive instrument to measure functional limitations in patients with neck pain. Level of Evidence: 3 |
format | Online Article Text |
id | pubmed-7208282 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Lippincott Williams & Wilkins |
record_format | MEDLINE/PubMed |
spelling | pubmed-72082822020-05-21 Cross-cultural Adaptation, Reliability, Validity, and Responsiveness of the Simplified-Chinese Version of Neck Disability Index Lim, Hanniel Han Rong Tang, Zhi Yin Hashim, Masayu Afiqah Binte Masagoes Yang, Mingxing Koh, Eileen Yi Ling Koh, Kim Hwee Spine (Phila Pa 1976) Health Services Research Cross-cultural adaptation and psychometric evaluation. OBJECTIVE. The aim of this study was to translate the Neck Disability Index (NDI) into the simplified-Chinese language and to evaluate the reliability, validity, and responsiveness of the new questionnaire. SUMMARY OF BACKGROUND DATA. Neck pain is a major health problem resulting in major disability. NDI is the most frequently used scale for self-rating of disability due to neck pain. At present, there is no simplified-Chinese version of the NDI. The aims of this study were to culturally adapt and translate the NDI into the simplified-Chinese language (NDI-SC) and to evaluate its psychometric properties in patients with neck pain. METHODS. The NDI was translated into simplified-Chinese version based on established guidelines. A total of 70 patients participated in this study. Patients were asked to complete a set of questionnaires comprising of their demographic information, the NDI-SC, and a visual analog scale (VAS) of pain. Fifty-six patients returned after 1 to 2 weeks to complete the same set of questionnaires and the global rating of change (GROC) scale. Then, the NDI-SC was evaluated for content validity, construct validity, internal consistency, test-retest reliability, and responsiveness. RESULTS. The NDI-SC demonstrated excellent internal consistency (Cronbach α = 0.92) and good test-retest reliability (ICC(2,1) = 0.85). Content validity was confirmed as no floor or ceiling effects were detected for the NDI-SC total score. Construct validity was established with factor analysis revealing two-factor subscales explaining 66% of the variance. The NDI-SC showed a strong correlation with VAS (Rp = 0.61, P < 0.001) and a moderate correlation with GROC (Rs = 0.46, P < 0.001). The correlation between NDI-SC change scores and VAS change scores was also moderate (R(p) = 0.59, P < 0.001). CONCLUSION. The results showed that the NDI-SC is a reliable, valid, and responsive instrument to measure functional limitations in patients with neck pain. Level of Evidence: 3 Lippincott Williams & Wilkins 2020-04-15 2019-04-18 /pmc/articles/PMC7208282/ /pubmed/31770333 http://dx.doi.org/10.1097/BRS.0000000000003325 Text en Copyright © 2019 The Author(s). Published by Wolters Kluwer Health, Inc. http://creativecommons.org/licenses/by-nc-nd/4.0 This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0 |
spellingShingle | Health Services Research Lim, Hanniel Han Rong Tang, Zhi Yin Hashim, Masayu Afiqah Binte Masagoes Yang, Mingxing Koh, Eileen Yi Ling Koh, Kim Hwee Cross-cultural Adaptation, Reliability, Validity, and Responsiveness of the Simplified-Chinese Version of Neck Disability Index |
title | Cross-cultural Adaptation, Reliability, Validity, and Responsiveness of the Simplified-Chinese Version of Neck Disability Index |
title_full | Cross-cultural Adaptation, Reliability, Validity, and Responsiveness of the Simplified-Chinese Version of Neck Disability Index |
title_fullStr | Cross-cultural Adaptation, Reliability, Validity, and Responsiveness of the Simplified-Chinese Version of Neck Disability Index |
title_full_unstemmed | Cross-cultural Adaptation, Reliability, Validity, and Responsiveness of the Simplified-Chinese Version of Neck Disability Index |
title_short | Cross-cultural Adaptation, Reliability, Validity, and Responsiveness of the Simplified-Chinese Version of Neck Disability Index |
title_sort | cross-cultural adaptation, reliability, validity, and responsiveness of the simplified-chinese version of neck disability index |
topic | Health Services Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7208282/ https://www.ncbi.nlm.nih.gov/pubmed/31770333 http://dx.doi.org/10.1097/BRS.0000000000003325 |
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