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Are symptoms of insomnia related to respiratory symptoms? Cross-sectional results from 10 European countries and Australia

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dc.contributor Háskóli Íslands
dc.contributor University of Iceland
dc.contributor Háskólinn í Reykjavík
dc.contributor Reykjavik University
dc.contributor.author Björnsdóttir, Erla
dc.contributor.author Lindberg, Eva
dc.contributor.author Benediktsdóttir, Bryndís
dc.contributor.author Gislason, Thorarinn
dc.contributor.author Garcia Larsen, Vanessa
dc.contributor.author Franklin, Karl
dc.contributor.author Jarvis, Debbie
dc.contributor.author Demoly, Pascal
dc.contributor.author Perret, Jennifer L
dc.contributor.author Garcia Aymerich, Judith
dc.contributor.author Arenas, Sandra Dorado
dc.contributor.author Heinrich, Joachim
dc.contributor.author Torén, Kjell
dc.contributor.author Jögi, Rain
dc.contributor.author Janson, Christer
dc.date.accessioned 2021-01-14T14:58:26Z
dc.date.available 2021-01-14T14:58:26Z
dc.date.issued 2020-04-28
dc.identifier.citation Bjornsdottir E, Lindberg E, Benediktsdottir B, et alAre symptoms of insomnia related to respiratory symptoms? Cross-sectional results from 10 European countries and AustraliaBMJ Open 2020;10:e032511. doi: 10.1136/bmjopen-2019-032511
dc.identifier.issn 2044-6055
dc.identifier.uri https://hdl.handle.net/20.500.11815/2371
dc.description Publisher's version (útgefin grein)
dc.description.abstract Objectives To compare the prevalence of different insomnia subtypes among middle-Aged adults from Europe and Australia and to explore the cross-sectional relationship between insomnia subtypes, respiratory symptoms and lung function. Design Cross-sectional population-based, multicentre cohort study. Setting 23 centres in 10 European countries and Australia. Methods We included 5800 participants in the third follow-up of the European Community Respiratory Health Survey III (ECRHS III) who answered three questions on insomnia symptoms: difficulties falling asleep (initial insomnia), waking up often during the night (middle insomnia) and waking up early in the morning and not being able to fall back asleep (late insomnia). They also answered questions on smoking, general health and chronic diseases and had the following lung function measurements: forced expiratory volume in 1 s (FEV 1), forced vital capacity (FVC) and the FEV 1 /FVC ratio. Changes in lung function since ECRHS I about 20 years earlier were also analysed. Main outcome measures Prevalence of insomnia subtypes and relationship to respiratory symptoms and function. Results Overall, middle insomnia (31.2%) was the most common subtype followed by late insomnia (14.2%) and initial insomnia (11.2%). The highest reported prevalence of middle insomnia was found in Iceland (37.2%) and the lowest in Australia (22.7%), while the prevalence of initial and late insomnia was highest in Spain (16.0% and 19.7%, respectively) and lowest in Denmark (4.6% and 9.2%, respectively). All subtypes of insomnia were associated with significantly higher reported prevalence of respiratory symptoms. Only isolated initial insomnia was associated with lower FEV 1, whereas no association was found between insomnia and low FEV 1 /FVC ratio or decline in lung function. Conclusion There is considerable geographical variation in the prevalence of insomnia symptoms. Middle insomnia is most common especially in Iceland. Initial and late insomnia are most common in Spain. All insomnia subtypes are associated with respiratory symptoms, and initial insomnia is also associated with lower FEV 1.
dc.description.sponsorship Financial support for ECRHS III: Australia: National Health & Medical Research Council. Belgium: Antwerp South, Antwerp City: Research Foundation Flanders (FWO), grant code G.0.410.08.N.10 (both sites). Estonia: Tartu- SF0180060s09 from the Estonian Ministry of Education. France: (all) Ministère de la Santé. Programme Hospitalier de Recherche Clinique (PHRC) national 2010. Bordeaux: INSERM U897 Université Bordeaux segalen; Grenoble: Comite Scientifique AGIRadom 2011; Paris: Agence Nationale de la Santé, Région Ile de France, domaine d’intérêt majeur (DIM). Germany: Erfurt: German Research Foundation HE 3294/10–1; Hamburg: German Research Foundation MA 711/6–1, NO 262/7–1. Iceland: Reykjavik: The Landspitali University Hospital Research Fund, University of Iceland Research Fund, ResMed Foundation, California, USA, Orkuveita Reykjavikur (Geothermal plant), Vegagerðin (The Icelandic Road Administration (ICERA). The Icelandic Research found - grant no 1 73 701–052. Italy: all Italian centres were funded by the Italian Ministry of Health, Chiesi Farmaceutici SpA, in addition Verona was funded by Cariverona foundation, Education Ministry (MIUR). Norway: Norwegian Research council grant no 214123, Western Norway Regional Health Authorities grant no 911631, Bergen Medical Research Foundation. Spain: Fondo de Investigación Sanitaria (PS09/02457, PS09/00716 09/01511) PS09/02185 PS09/03190), Servicio Andaluz de Salud, Sociedad Española de Neumología y Cirurgía Torácica (SEPAR 1001/2010). Sweden: all centres were funded by The Swedish Heart and Lung Foundation, The Swedish Asthma and Allergy Association, The Swedish Association against Lung and Heart Disease. Fondo de Investigación Sanitaria (PS09/02457); Barcelona: Fondo de Investigación Sanitaria (FIS PS09/00716); Galdakao: Fondo de Investigación Sanitaria (FIS 09/01511); Huelva: Fondo de Investigación Sanitaria (FIS PS09/02185); and Servicio Andaluz de Salud Oviedo: Fondo de Investigación Sanitaria (FIS PS09/03190). Sweden: all centres were funded by The Swedish Heart and Lung Foundation, The Swedish Asthma and Allergy Association, The Swedish Association against Lung and Heart Disease. Swedish Research Council for health, working life and welfare (FORTE); Göteborg also received further funding from the Swedish Council for Working life and Social Research. Umea also received funding from Vasterbotten Country Council ALF grant. Switzerland: The Swiss National Science Foundation (grants no 33CSCO-134276/1, 33CSCO-108796, 3247BO-104283, 3247BO-104288, 3247BO-104284, 3247-065896, 3100-059302, 3200-052720, 3200-042532 and 4026-028099), The Federal Office for Forest, Environment and Landscape, The Federal Office of Public Health, The Federal Office of Roads and Transport, the Canton’s Government of Aargan, Basel-Stadt, Basel-Land, Geneva, Luzern, Ticino, Valais and Zürich, the Swiss Lung League, The Canton's Lung League of Basel Stadt/ Basel, Landschaft, Geneva, Ticino, Valais and Zurich, SUVA, Freiwillige Akademische Gesellschaft, UBS Wealth Foundation, Talecris Biotherapeutics GmbH, Abbott Diagnostics, European Commission 018996 (GABRIEL), Wellcome Trust WT 084703MA, UK: Medical Research Council (Grant Number 92091). Support also provided by the National Institute for Health Research through the Primary Care Research Network.
dc.format.extent e032511
dc.language.iso en
dc.publisher BMJ
dc.relation.ispartofseries BMJ Open;10(4)
dc.rights info:eu-repo/semantics/openAccess
dc.subject Insomnia
dc.subject Respiratory symptoms
dc.subject Sleep medicine
dc.subject Svefnleysi
dc.subject Öndunarfærasjúkdómar
dc.subject Svefnlyf
dc.title Are symptoms of insomnia related to respiratory symptoms? Cross-sectional results from 10 European countries and Australia
dc.type info:eu-repo/semantics/article
dcterms.license This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.
dc.description.version Peer Reviewed
dc.identifier.journal BMJ Open
dc.identifier.doi 10.1136/bmjopen-2019-032511
dc.relation.url https://syndication.highwire.org/content/doi/10.1136/bmjopen-2019-032511
dc.contributor.department Læknadeild (HÍ)
dc.contributor.department Faculty of Medicine (UI)
dc.contributor.school Heilbrigðisvísindasvið (HÍ)
dc.contributor.school School of Health Sciences (UI)


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