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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
The bidirectional association between depression and insomnia: The HUNT study
Psychosomatic Medicine, Volume 74, No. 7, Year 2012
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Description
OBJECTIVE: Depression and insomnia are closely linked, yet our understanding of their prospective relationships remains limited. The aim of the current study was to investigate the directionality of association between depression and insomnia. METHODS: Data were collected from a prospective population-based study comprising the most recent waves of the Nord-Trøndelag Health Study (HUNT) (the HUNT2 in 1995-1997 and the HUNT3 in 2006-2008). A total of 24,715 persons provided valid responses on the relevant questionnaires from both surveys. Study outcomes were onset of depression or insomnia at HUNT3 in persons not reporting the other disorder in HUNT2. RESULTS: Both insomnia and depression significantly predicted the onset of the other disorder. Participants who did not have depression in HUNT2 but who had insomnia in both HUNT2 and HUNT3 had an odds ratio (OR) of 6.2 of developing depression at HUNT3. Participants who did not have insomnia in HUNT2 but who had depression in both HUNT2 and HUNT3 had an OR of 6.7 of developing insomnia at HUNT3. ORs were only slightly attenuated when adjusting for potential confounding factors. CONCLUSIONS: The results support a bidirectional relationship between insomnia and depression. This finding stands in contrast to the previous studies, which have mainly focused on insomnia as a risk factor for the onset of depression. Copyright © 2012 by the American Psychosomatic Society.
Authors & Co-Authors
Sivertsen, Børge
Norway, Oslo
Folkehelseinstituttet
Norway, Bergen
Universitetet I Bergen
Hysing, Mari
Norway, Bergen
Universitetet I Bergen
Pallesen, Ståle
Norway, Bergen
Universitetet I Bergen
Nordhus, Inger Hilde K.
Norway, Bergen
Universitetet I Bergen
Norway, Bergen
Haukeland Universitetssjukehus
Øverland, Simon Nygaard
Norway, Oslo
Folkehelseinstituttet
Norway, Bergen
Universitetet I Bergen
Statistics
Citations: 213
Authors: 5
Affiliations: 6
Identifiers
Doi:
10.1097/PSY.0b013e3182648619
ISSN:
00333174
Research Areas
Mental Health
Study Design
Cross Sectional Study
Cohort Study
Case-Control Study