Confirmatory factor analysis of the neck disability index in a whiplash population indicates a one-factor model is viable

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Gabel, Charles P. ; Cuesta-Vargas, Antonio I. ; Barr, Sebastian ; Winkeljohn Black, Stephanie ; Osborne, Jason W. ; Melloh, Markus (2016)

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 an... View more
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