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dc.contributor.authorBjornsdottir, Erla
dc.contributor.authorLindberg, Eva
dc.contributor.authorBenediktsdottir, Bryndis
dc.contributor.authorGislason, Thorarinn
dc.contributor.authorGarcia Larsen, Vanessa
dc.contributor.authorFranklin, Karl
dc.contributor.authorJarvis, Debbie
dc.contributor.authorDemoly, Pascal
dc.contributor.authorPerret, Jennifer L
dc.contributor.authorGarcia Aymerich, Judith
dc.contributor.authorArenas, Sandra Dorado
dc.contributor.authorHeinrich, Joachim
dc.contributor.authorTorén, Kjell
dc.contributor.authorJögi, Rain
dc.contributor.authorJanson, Christer
dc.date.accessioned2020-08-14T14:37:12Z
dc.date.available2020-08-14T14:37:12Z
dc.date.issued2020-04-28
dc.date.submitted2020-08
dc.identifier.citationBjornsdottir E, Lindberg E, Benediktsdottir B, et al. Are symptoms of insomnia related to respiratory symptoms? Cross-sectional results from 10 European countries and Australia. BMJ Open. 2020;10(4):e032511. Published 2020 Apr 28. doi:10.1136/bmjopen-2019-032511en_US
dc.identifier.pmid32350008
dc.identifier.doi10.1136/bmjopen-2019-032511
dc.identifier.urihttp://hdl.handle.net/2336/621467
dc.descriptionTo access publisher's full text version of this article, please click on the hyperlink in Additional Links field or click on the hyperlink at the top of the page marked Downloaden_US
dc.description.abstractObjectives: 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 (FEV1), forced vital capacity (FVC) and the FEV1/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 FEV1, whereas no association was found between insomnia and low FEV1/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 FEV1. Keywords: insomnia; respiratory symptoms; sleep medicine.en_US
dc.description.sponsorshipNational Health and Medical Research Council of Australia Belgium: Antwerp South, Antwerp City: Research Foundation Flanders (FWO) Estonia: Estonian Ministry of Education France: Ministere de la Sante. Programme Hospitalier de Recherche Clinique (PHRC) national 2010 Bordeaux: INSERM U897 Universite Bordeaux segalen Grenoble: Comite Scientifique AGIRadom 2011 Paris: Agence Nationale de la Sante, Region Ile de France, domaine d'interet majeur (DIM) Germany: Erfurt: German Research Foundation Germany: Hamburg: German Research Foundation Iceland: Reykjavik: The Landspitali University Hospital Research Fund Iceland: University of Iceland Research Fund Iceland: ResMed Foundation, California, USA Iceland: Orkuveita Reykjavikur (Geothermal plant) Iceland: Vegageroin (The Icelandic Road Administration (ICERA) Icelandic Research found Italy: Italian Ministry of Health Italy: Chiesi Farmaceutici SpA Fondazione Cariverona Education Ministry (MIUR) Norway: Norwegian Research council Norway: Western Norway Regional Health Authorities Norway: Bergen Medical Research Foundation Spain: Fondo de Investigacion Sanitaria Spain: Servicio Andaluz de Salud Spain: Sociedad Espanola de Neumologia y Cirurgia Toracica Sweden: Swedish Heart and Lung Foundation Sweden: Swedish Asthma and Allergy Association Sweden: Swedish Association against Lung and Heart Disease Sweden: Fondo de Investigacion Sanitaria Barcelona: Fondo de Investigacion Sanitaria Galdakao: Fondo de Investigacion Sanitaria Huelva: Fondo de Investigacion Sanitaria Servicio Andaluz de Salud Oviedo: Fondo de Investigacion Sanitaria Swedish Research Council for health, working life and welfare (FORTE) Swedish Research Council Swedish Research Council for Health Working Life & Welfare (Forte) Vasterbotten Country Council ALF grant Swiss National Science Foundation (SNSF) Switzerland: Federal Office for Forest, Environment and Landscape Switzerland: Federal Office of Public Health Switzerland: Federal Office of Roads and Transport Switzerland: Canton's Government of Aargan Switzerland: Canton's Government of Basel--Stadt Switzerland: Canton's Government of Basel--Land Switzerland: Canton's Government of Geneva Switzerland: Canton's Government of Luzern Switzerland: Canton's Government of Ticino Switzerland: Canton's Government of Valais Switzerland: Canton's Government of Zurich Switzerland: Swiss Lung League Switzerland: Canton's Lung League of Basel Stadt/Basel Switzerland: Canton's Lung League of Landschaft Switzerland: Canton's Lung League of Geneva Switzerland: Canton's Lung League of Ticino Switzerland: Canton's Lung League of Valais Switzerland: Canton's Lung League of Zurich Switzerland: SUVA Switzerland: Freiwillige Akademische Gesellschaft Switzerland: UBS Wealth Foundation Switzerland: Talecris Biotherapeutics GmbH Switzerland: Abbott Diagnostics Switzerland: European Commission Switzerland: Wellcome Trust Medical Research Council UK (MRC) National Institute for Health Research through the Primary Care Research Networken_US
dc.language.isoenen_US
dc.publisherBMJ Publishing Groupen_US
dc.relation.urlhttps://bmjopen.bmj.com/content/10/4/e032511.longen_US
dc.relation.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7213858/en_US
dc.rights© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.
dc.subjectinsomniaen_US
dc.subjectrespiratory symptomsen_US
dc.subjectsleep medicineen_US
dc.subjectSvefntruflaniren_US
dc.subjectÖndunarfærasjúkdómaren_US
dc.subject.meshSleep Initiation and Maintenance Disordersen_US
dc.subject.meshSigns and Symptoms, Respiratoryen_US
dc.titleAre symptoms of insomnia related to respiratory symptoms? Cross-sectional results from 10 European countries and Australia.en_US
dc.typeArticleen_US
dc.typeOtheren_US
dc.identifier.eissn2044-6055
dc.contributor.department1Haskolinn i Reykjavik, Reykjavik, Iceland erlabjo@gmail.com. 2Faculty of Medicine, School of Health Sciences, University of Iceland, Reykjavik, Iceland. 3Respiratory Medicine and Allegology, Uppsala University, Uppsala, Sweden. 4Department of Respiratory Medicine and Sleep, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland. 5Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA. 6Department of Surgery, Surgical and Perioperative Sciences, Umeå, Sweden. 7Department of Respiratory Epidemiology and Public Health, Imperial College, London, UK. 8Pneumology Department, University Hospital of Montpellier, Montpellier, France. 9University of Melbourne, Melbourne, Victoria, Australia. 10Centre for Research in Environmental Epidemiology (CREAL), Instituto de Salud Global Barcelona, Barcelona, Catalunya, Spain. 11Pulmonology Department, Hospital Galdakao-Usansolo, Galdacano, País Vasco, Spain. 12Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Clinical Center, Ludwig Maximilians University, Comprehensive Pneumology Centre Munich, German Centre for Lung Research, Muenchen, Germany. 13Department of Occupational and Environmental Medicine, University of Gothenburg, Gothenburg, Sweden. 14Tartu University, Tartu, Estonia. 15Department of Respiratory Medicine, Uppsala University, Uppsala, Sweden.en_US
dc.identifier.journalBMJ openen_US
dc.rights.accessOpen Access - Opinn aðganguren_US
dc.departmentcodePAD12
dc.source.journaltitleBMJ open
dc.source.volume10
dc.source.issue4
dc.source.beginpagee032511
dc.source.endpage
refterms.dateFOA2020-08-14T14:37:12Z
dc.source.countryUnited Kingdom
dc.source.countryUnited Kingdom
dc.source.countryUnited Kingdom
dc.source.countryEngland


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