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A bidirectional relationship between anxiety and depression, and insomnia?: A prospective study in the general population
Örebro University, Department of Behavioural, Social and Legal Sciences. (CHAMP)ORCID iD: 0000-0003-2059-1621
2008 (English)In: Journal of Psychosomatic Research, ISSN 0022-3999, E-ISSN 1879-1360, Vol. 64, no 4, p. 443-449Article in journal (Refereed) Published
Abstract [en]

Objective: The purpose of this study was to examine whether there is a bidirectional relationship between on the one hand anxiety and depression and on the other hand insomnia over the course of a year.Methods: A randomly selected sample of 3,000 participants from the general population filled out a baseline (N = 1,812) and 1-year follow-up survey (N = 1,498) on anxiety, depression, and insomnia.Results: In cross-sectional analyses, bivariate correlations showed that anxiety, depression, and insomnia were significantly inter-correlated (φ = .31-.54). In prospective analyses, logistic regression analyses demonstrated that baseline anxiety (OR = 4.27, 8% of the variance) and baseline depression (OR = 2.28, 2% of the variance) were related to new cases of insomnia at follow-up. Further, baseline insomnia was related to new episodes of high anxiety and high depression at follow-up (OR = 2.30, 2% of the variance; OR = 3.51; 4% of the variance).Conclusion: Evidence suggested that there is a bidirectional relationship between on the one hand anxiety and depression and on the other hand insomnia. This suggests that anxiety, depression, and insomnia are intertwined over time, which has implications for theoretical conceptualizations and interventions.

Place, publisher, year, edition, pages
2008. Vol. 64, no 4, p. 443-449
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:oru:diva-3445DOI: 10.1016/j.jpsychores.2007.10.016OAI: oai:DiVA.org:oru-3445DiVA, id: diva2:137742
Available from: 2008-12-05 Created: 2008-12-05 Last updated: 2017-12-14Bibliographically approved

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Jansson-Fröjmark, Markus

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