Confirmatory Factor Analysis and Invariance of the Short Form McGill Pain Questionnaire (MPQ-SF) in a Longitudinal Sample of Burn Patients

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Journal Article
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Year, Volume, Issue, Page(s):
2008, vol. 4, issue , pp
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The Short Form McGill Pain Questionnaire (SF-MPQ) is an abbreviated version of McGill Pain Questionnaire (MPQ) developed for pragmatic reasons to improve the clinical utility of the MPQ. Although the SF-MPQ has been used in more than 250 published studies, few studies have examined the core constructs it measures. The objective of this study was to evaluate in a sample with burn injuries whether the factor structure of the SF-MPQ is consistent with the theoretic pain constructs it purports to measure. Participants (n = 338) met American Burn Association's criteria for major burn injury and had a mean total body surface area burned of 14%. They were mostly male (70.1%) and Caucasian (63.4%) with an average age of 41.25 years. There were 2 primary findings. First, confirmatory factor analysis yielded fit index values demonstrating viability of a 2-factor, oblique, solution composed of sensory and affective latent constructs. These findings were consistent with previous work and the theoretic constructs. Second, results from a relatively new model consisting of 8 SF-MPQ items demonstrated potential viability for measuring similar constructs.
Mason, S.T.; Arceneaux, L.L.; Abouhassan, W.; Lauterbach, D.; Seebach, C.; Fauerbach, J.A.
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