• Aleid de Rooij, Martijn P M Steultjens, Petra C Siemonsma, Joke A Vollebregt, Leo D Roorda, Willemine Beuving, and Joost Dekker.
• Department of Rehabilitation Research, Reade, Centre for Rehabilitation and Rheumatology (formerly Jan van Breemen Institute), Amsterdam, Netherlands. a.d.rooij@reade.nl
• Bmc Musculoskel Dis. 2011 Jan 1; 12: 218.

BackgroundA wide variety of cognitive concepts have been shown to play an important role in chronic widespread pain (CWP). Although these concepts are generally considered to be distinct entities, some might in fact be highly overlapping. The objectives of this study were to (i) to establish inter-relationships between self-efficacy, cognitive coping styles, fear-avoidance cognitions and illness beliefs in patients with CWP and (ii) to explore the possibility of a reduction of these cognitions into a more limited number of domains.MethodsBaseline measurement data of a prospective cohort study of 138 patients with CWP were used. Factor analysis was used to study the associations between 16 different cognitive concepts.ResultsFactor analysis resulted in three factors: 1) negative emotional cognitions, 2) active cognitive coping, and 3) control beliefs and expectations of chronicity.ConclusionNegative emotional cognitions, active cognitive coping, control beliefs and expectations of chronicity seem to constitute principal domains of cognitive processes in CWP. These findings contribute to the understanding of overlap and uniqueness of cognitive concepts in chronic widespread pain.

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