• Cecilia Peñacoba Puente, Lilian Velasco Furlong, Carmen Écija Gallardo, Margarita Cigarán Méndez, Dolores Bedmar Cruz, and César Fernández-de-Las-Peñas.
• Department of Psychology, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain. Electronic address: cecilia.penacoba@urjc.es.
• Pain Manag Nurs. 2015 Feb 1; 16 (1): 60-8.

AbstractThe aim of this study was to investigate the role of self-efficacy and affect as mediators of the relationship between pain and several fibromyalgia (FM) symptoms (functional limitation, depression, and anxiety). We evaluated 144 women with FM for self-reported pain (numerical pain scale), pressure pain sensitivity (pressure pain thresholds), functional limitation (Fibromyalgia Impact Questionnaire), self-efficacy (Chronic Pain Self-Efficacy Scale), depression-anxiety (Hospital Anxiety and Depression Scale), and positive-negative affect (Positive-Negative Affect Scale). Mediating analyses were conducted with ordinary least squares multiple regression analysis. The results demonstrated that self-reported pain and pressure pain sensitivity exhibited significant relationships with functional limitation, anxiety, depression, self-efficacy, and affect. Affect mediated the relationship between pressure pain sensitivity and anxiety, whereas self-efficacy was the mediating variable between self-reported pain and functional limitation and depression. Our results support a complex nature of pain in women presenting with FM, as cognitive and emotional variables have different mediator relationships between pain dimensions and functional and emotional outcomes in women with FM.Copyright © 2015 American Society for Pain Management Nursing. Published by Elsevier Inc. All rights reserved.

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