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Publikationstyp: Beitrag in wissenschaftlicher Zeitschrift
Art der Begutachtung: Peer review (Publikation)
Titel: Confirmatory factor analysis of the neck disability index in a whiplash population indicates a one-factor model is viable
Autor/-in: Gabel, Charles P.
Cuesta-Vargas, Antonio I.
Barr, Sebastian
Winkeljohn Black, Stephanie
Osborne, Jason W.
Melloh, Markus
DOI: 10.21256/zhaw-1628
10.1007/s00586-016-4543-z
Erschienen in: European Spine Journal
Band(Heft): 25
Heft: 7
Seite(n): 2078
Seiten bis: 2086
Erscheinungsdatum: Jul-2016
Verlag / Hrsg. Institution: Springer
Verlag / Hrsg. Institution: Berlin
ISSN: 0940-6719
1432-0932
Sprache: Englisch
Schlagwörter: Neck pain; Whiplash; Clinimetrics; Neck disability index; Factor analysis
Fachgebiet (DDC): 617.5: Orthopädische Chirurgie
Zusammenfassung: Purpose: The neck disability index (NDI) as a 10-item patient reported outcome (PRO) measure is the most commonly used whiplash associated disorders (WAD) assessment tool. However, statistical rigor and factor structure are not definitive. To date, confirmatory factor analysis (CFA) has not examined whether the factor structure generalizes across different groups (e.g., WAD versus non-WAD). This study aimed to determine the psychometric properties of the NDI in these population groups. Methods: This study used CFA to analyze NDI baseline-data for WAD (n = 804; 69 % females) and non-WAD (n = 963; 67 % females), each for the full sample and separate genders. Invariance analyses examined the NDI structure across the four groups. Results: Across both populations and gender subgroups the one-factor solutions consistently showed better model fit over two-factor solutions. The NDI was best characterized as one-dimensional and invariant across multiple sub-groups. Conclusion: The NDI remains a valid PRO in WAD populations that provides acceptable measurement of neck status that is appropriate for basic functional assessment across genders. However, it is recommended that both clinicians and researchers initiate the transition toward more rigorous and less ambiguous PRO measurement tools for WAD patients and research. This future graduated movement toward other PROs should consider both regional PROs and computerized decision support systems, initially measured concurrently with the NDI to establish ways to convert existing scored data prior to their singular use.
URI: https://digitalcollection.zhaw.ch/handle/11475/2541
Volltext Version: Publizierte Version
Lizenz (gemäss Verlagsvertrag): Lizenz gemäss Verlagsvertrag
Departement: Gesundheit
Organisationseinheit: Institut für Public Health (IPH)
Enthalten in den Sammlungen:Publikationen Gesundheit

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Gabel, C. P., Cuesta-Vargas, A. I., Barr, S., Winkeljohn Black, S., Osborne, J. W., & Melloh, M. (2016). Confirmatory factor analysis of the neck disability index in a whiplash population indicates a one-factor model is viable. European Spine Journal, 25(7), 2078–2086. https://doi.org/10.21256/zhaw-1628
Gabel, C.P. et al. (2016) ‘Confirmatory factor analysis of the neck disability index in a whiplash population indicates a one-factor model is viable’, European Spine Journal, 25(7), pp. 2078–2086. Available at: https://doi.org/10.21256/zhaw-1628.
C. P. Gabel, A. I. Cuesta-Vargas, S. Barr, S. Winkeljohn Black, J. W. Osborne, and M. Melloh, “Confirmatory factor analysis of the neck disability index in a whiplash population indicates a one-factor model is viable,” European Spine Journal, vol. 25, no. 7, pp. 2078–2086, Jul. 2016, doi: 10.21256/zhaw-1628.
GABEL, Charles P., Antonio I. CUESTA-VARGAS, Sebastian BARR, Stephanie WINKELJOHN BLACK, Jason W. OSBORNE und Markus MELLOH, 2016. Confirmatory factor analysis of the neck disability index in a whiplash population indicates a one-factor model is viable. European Spine Journal. Juli 2016. Bd. 25, Nr. 7, S. 2078–2086. DOI 10.21256/zhaw-1628
Gabel, Charles P., Antonio I. Cuesta-Vargas, Sebastian Barr, Stephanie Winkeljohn Black, Jason W. Osborne, and Markus Melloh. 2016. “Confirmatory Factor Analysis of the Neck Disability Index in a Whiplash Population Indicates a One-Factor Model Is Viable.” European Spine Journal 25 (7): 2078–86. https://doi.org/10.21256/zhaw-1628.
Gabel, Charles P., et al. “Confirmatory Factor Analysis of the Neck Disability Index in a Whiplash Population Indicates a One-Factor Model Is Viable.” European Spine Journal, vol. 25, no. 7, July 2016, pp. 2078–86, https://doi.org/10.21256/zhaw-1628.


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