• Jordi Miró, Elena Castarlenas, de la Vega Rocío R Unit for the Study and Treatment of Pain - ALGOS, Universitat Rovira i Virgili, Tarragona, Catalonia, Spain. , Santiago Galán, Elisabet Sánchez-Rodríguez, Mark P Jensen, and Douglas Cane.
• Unit for the Study and Treatment of Pain - ALGOS, Universitat Rovira i Virgili, Tarragona, Catalonia, Spain. jordi.miro@urv.cat.
• J Behav Med. 2018 Dec 1; 41 (6): 827-835.

AbstractPain catastrophizing and pain acceptance have been shown to be associated with improvements after participation in cognitive behaviorally-based treatment (CBT) for chronic pain. However, it is not yet clear how important each of these factors is relative to the other. Furthermore, it is also not clear if multidisciplinary pain treatment has the same impact on the two primary dimensions of pain acceptance (activity engagement and pain willingness), and whether their role in explaining treatment outcome differs as a function of the outcomes under study. The aim of this study was to examine the relative importance of changes in pain catastrophizing, activity engagement and pain willingness as predictors of the benefits of a multidisciplinary CBT for chronic pain. 186 adults with chronic pain participated. Pain catastrophizing and activity engagement, but not pain willingness, were significantly associated with treatment outcome. Moreover, each one evidenced different patterns of associations with outcomes. Specifically, while changes in both were associated with improvements in depressive symptoms, only catastrophizing was associated with improvements in pain intensity and only activity engagement was associated with improvements in pain-related disability.

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