Bidirectionality between pain and insomnia symptoms : a prospective study

• Objectives: The purpose of this study was to investigate whether there is a bidirectional relationship between pain and insomnia symptoms over the course of a year.Design: A longitudinal design with a 1-year follow-up was used. Methods. From a randomly selected sample of the adult general population (N = 3,000), 1,746 individuals filled out a baseline and 1-year follow-up survey on pain, insomnia symptoms, anxiety symptoms, and depressive symptoms.Results: Pain (OR = 1.64) and anxiety symptoms increased the risk for the incidence of insomnia symptoms (R-2 =.125) and pain (OR = 1.98), anxiety symptoms and depressive symptoms were related to the persistence of insomnia symptoms (R-2 =.212). Gender and anxiety symptoms increased the risk for the incidence of pain (R-2 =. 073); and age, insomnia symptoms (OR= 1.49), anxiety symptoms, and depressive symptoms were associated with the persistence of pain (R-2 =.187).Conclusion: While pain was linked to future insomnia symptoms and insomnia symptoms to the persistence of pain over the course of a year, insomnia symptoms was not associated with the incidence of pain. The results, thus, partly argue against bidirectionality between pain and insomnia symptoms.

Ämnesord

SAMHÄLLSVETENSKAP  -- Psykologi (hsv//swe)

SOCIAL SCIENCES  -- Psychology (hsv//eng)

Nyckelord

Psychology

Psykologi

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