• V Zetterqvist, L Holmström, P Maathz, and R K Wicksell.
• Behavioural Medicine Pain Treatment Services, Karolinska University Hospital, Stockholm, Sweden.
• Acta Anaesthesiol Scand. 2017 Apr 1; 61 (4): 445-455.

BackgroundLongstanding symptoms due to whiplash are commonly associated with decreased levels of emotional and physical functioning. To date, there is strong empirical support for the relationship between psychological in/flexibility and pain-related functioning, but the predictive role for future health is largely unknown. Hence, the aim of this study was to investigate if psychological in/flexibility (i.e. avoidance and cognitive fusion) predicted pain disability and depressive symptoms 3 years later in individuals with whiplash complaints.MethodsData were collected at baseline and at a 3 year follow-up from 368 members of a national patient organization for people with whiplash-associated disorder. In a series of hierarchical regression analyses, background variables, pain related variables, psychological distress and psychological inflexibility at baseline were evaluated as predictors of levels of pain disability and depressive symptoms at follow-up.ResultsResults showed that psychological inflexibility, and more specifically avoidance, was a unique predictor of pain disability and depressive symptoms, also when controlling for background variables, pain related variables and psychological distress. Level of education was also found to predict both pain disability and symptoms of depression. Lastly, pain variability predicted pain disability, and anxiety predicted depressive symptoms.ConclusionPain avoidance significantly predicted pain disability and depressive symptoms 3 years later. Although tentative, results warrant more studies to further explore the importance of pain avoidance for future health.© 2017 The Acta Anaesthesiologica Scandinavica Foundation. Published by John Wiley & Sons Ltd.

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