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How is persistent insomnia maintained?: A prospective study on 50-60 years old adults in the general population
Örebro University, Department of Behavioural, Social and Legal Sciences. (CHAMP)ORCID iD: 0000-0003-2059-1621
Örebro University, Department of Behavioural, Social and Legal Sciences.ORCID iD: 0000-0001-5359-0452
2008 (English)In: British Journal of Health Psychology, ISSN 1359-107X, E-ISSN 2044-8287, Vol. 13, no 1, p. 121-133Article in journal (Refereed) Published
Abstract [en]

Objectives: The purpose of this study was to examine whether arousal, distress, and sleep-related beliefs are related to the maintenance of insomnia in old adults.Design: From a randomly selected sample from the general population (N = 3,600; 50-60 year old), 2,239 participants filled out a baseline and 1-year follow-up survey.Methods: Logistic regressions were used to investigate whether psychological mechanisms were related to sleep status (insomnia: n = 230; poor sleep: n = 210; normal sleep: n = 658; good sleep: n = 253) over one year. Cluster analysis was employed to assess whether it was possible to classify the participants based on their profiles of psychological functioning.Results: The results showed that arousal, sleep-related beliefs about future consequences, and anxiety were significantly related to the maintenance of insomnia (14-66% of the variance). Of the individuals with persistent insomnia, 67% belonged to a cluster characterized by high scores on arousal, sleep-related beliefs, and anxiety, 24% to a cluster defined by medium scores on the three mechanisms, and 9% to a cluster characterized by low scores on the three mechanisms.Conclusions: This investigation shows that arousal, sleep-related beliefs, and anxiety are associated with the maintenance of persistent insomnia, but also that these mechanisms often co-occur in individuals with persistent insomnia.

Place, publisher, year, edition, pages
2008. Vol. 13, no 1, p. 121-133
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:oru:diva-3255DOI: 10.1348/135910706X173016OAI: oai:DiVA.org:oru-3255DiVA, id: diva2:137552
Available from: 2008-12-05 Created: 2008-12-05 Last updated: 2017-12-14Bibliographically approved

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Jansson-Fröjmark, MarkusLinton, Steven J.

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