• Gordon J G Asmundson, Candice V Bovell, R Nicholas Carleton, and Lachlan A McWilliams.
• Anxiety and Illness Behaviours Laboratory, University of Regina, Regina, Sask., Canada S4S 0A2. gordon.asmundson@uregina.ca
• Pain. 2008 Jan 1;134(1-2):51-8.

AbstractMcNeil and Rainwater's Fear of Pain Questionnaire III (FPQ-III, 1998) is an empirically derived self-report inventory that assesses fear of three broad categories of pain: Severe, Minor, and Medical Pain. Previous exploratory and confirmatory factor analyses suggest that the original 3-factor model of the FPQ-III has a poor fit [Osman A, Breitenstein JL, Barrios FX, Gutierrez PM, Kopper BA. The Fear of Pain Questionnaire-III: further reliability and validity with nonclinical samples. J Behav Med 2002;25:155-73; Albaret MC, Sastre MTM, Cottensin A, Mullet E. The Fear of Pain Questionnaire: factor structure in samples of young, middle-aged and elderly European people. Eur J Pain 2004;8:273-81; Roelofs J, Peters ML, Deutz J, Spijker C, Vlaeyen JWS. The Fear of Pain Questionnaire (FPQ): further psychometric examination in a non-clinical sample. Pain 2005;116:339-46.]. The goals of this study were to empirically evaluate the previously proposed 3-factor models of the FPQ-III, identify and remove items that contribute to the factor instability of the FPQ-III, and evaluate potential alternative models based on a reduced item pool. A sample of 589 participants from the University of Regina and the University of Manitoba communities was randomly divided into two subsamples of approximately equal size. FPQ-III data from these subsamples were subjected to confirmatory factor analysis and an iterative combination of exploratory and confirmatory factor analyses. The initial confirmatory factor analysis revealed that none of the previous models had acceptable fit to the data. Following iterative factor analyses and item reductions, a 4-factor model with good fit to the data and invariance across gender was identified. This model comprised 20-items distributed on factors representing Severe, Minor, Injection, and Dental Pain. The total scale and subscale scores based on the 4-factor model had good internal consistency, and preliminary support for construct validity was obtained. Use of this short version of the measure--the FPQ-Short Form--is discussed and directions for future research outlined.

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