• Lacy A Fabian, Lynanne McGuire, Burel R Goodin, and Robert R Edwards.
• Centers for Public Health Research and Evaluation, Battelle Memorial Institute, Baltimore, Maryland 21209, USA. fabianl@battelle.org
• Pain Med. 2011 Feb 1; 12 (2): 314-21.

ObjectiveIt is generally well established that catastrophizing exerts a potent influence on individuals' experience of pain and accompanying emotional distress. Further, preliminary evidence has shown that meaningful differences among various pain relevant outcomes (e.g., pain ratings, endogenous pain inhibitory processes) can be attributed to individuals' ethnic background. The mechanisms that might explain ethnic differences in pain outcomes are unclear, and it remains to be fully established whether the relation between ethnicity and pain response may be indirectly affected by pain catastrophizing.DesignIn the current study, we examined differences in pain responses by ethnicity among healthy, young adults (N=62), and attempted to determine whether such an ethnicity-pain relation was mediated by catastrophizing using the standard Pain Catastrophizing Scale (PCS) and a modified version of the PCS reflecting situational catastrophizing during a cold pressor task.ResultsResults showed that pain responses varied by ethnicity, as did reported catastrophizing. Catastrophizing mediated the relation between ethnicity and affective and sensory pain responses.ConclusionsTo better explicate our findings, we described the context in which these findings occurred following a "who, what, where, when, and why" approach. This approach provides an efficient description of how our findings align with previous research, while identifying future research that should clarify the theoretical underpinnings of catastrophizing and pain and also inform clinical intervention.Wiley Periodicals, Inc.

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