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Social jetlag, a novel predictor for high cardiovascular risk in blue‐collar workers following permanent atypical work schedules

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dc.contributor.authorMadeira, Sara Alexandra Gamboa
dc.contributor.authorReis, Cátia
dc.contributor.authorPaiva, Teresa
dc.contributor.authorSantos Moreira, Carlos
dc.contributor.authorNogueira, Paulo Jorge
dc.contributor.authorRoenneberg, Till
dc.date.accessioned2021-05-18T14:00:25Z
dc.date.available2021-05-18T14:00:25Z
dc.date.issued2021
dc.description© 2021 The Authors. Journal of Sleep Research published by John Wiley & Sons Ltd on behalf of European Sleep Research Society. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.pt_PT
dc.description.abstractCardiovascular diseases cause >4 million deaths each year in Europe alone. Preventive approaches that do not only consider individual risk factors but their interaction, such as the Systematic COronary Risk Evaluation (SCORE), are recommended by European guidelines. Increased cardiovascular risk is associated with shift-work, surely interacting with the concurrent conditions: disruption of sleep, unhealthy behaviours, and circadian misalignment. Social jetlag (SJL) has been proposed as a way to quantify circadian misalignment. We therefore investigated the association between SJL and cardiovascular health in a cross-sectional observational study involving blue-collar workers, who either worked permanent morning, evening, or night shifts. Sociodemographic, health and productivity data were collected through questionnaires. Blood pressure and cholesterol were measured and the cardiovascular risk was estimated according to the relative risk SCORE chart. Bivariate analysis was performed according to the cardiovascular risk and the relationship between SJL and high cardiovascular risk was analysed through logistic regression. Cumulative models were performed, adjusted for various confounding factors. After 49 exclusions, the final sample comprised 301 workers (56% males; aged <40 years, 73%). Mean standard deviation (SD) SJL was 1:57 (1:38) hr (59.4% ≤2 hr). Cardiovascular risk was high in 20% of the sample. Multivariate analysis revealed SJL to be an independent risk factor for high cardiovascular risk. Each additional hour of SJL increased this risk by >30% (odds ratio 1.31, 95% confidence interval 1.02-1.68). This is the first study indicating that SJL potentially increases cardiovascular risk, and suggests that sleep and individual circadian qualities are critical in preventing negative health impacts of shift-work.pt_PT
dc.description.sponsorshipThis work was supported by the PhD research Grant PDE/BDE/127787/2016 from Fundação para a Ciência e Tecnologia/Fundo Social Europeu.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationJ Sleep Res. 2021; 00:e13380pt_PT
dc.identifier.doi10.1111/jsr.13380pt_PT
dc.identifier.eissn1365-2869
dc.identifier.issn0962-1105
dc.identifier.urihttp://hdl.handle.net/10451/47964
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherJohn Wiley & Sons, Inc.pt_PT
dc.relationCircadian misalignment and its associations with health and productivity in blue cofiar workers: a chronotype-based approach
dc.relation.publisherversionhttps://onlinelibrary.wiley.com/journal/13652869pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectCircadian misalignmentpt_PT
dc.subjectMCTQpt_PT
dc.subjectSCOREpt_PT
dc.subjectShift-workpt_PT
dc.titleSocial jetlag, a novel predictor for high cardiovascular risk in blue‐collar workers following permanent atypical work schedulespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberPDE/BDE/127787/2016
oaire.awardTitleCircadian misalignment and its associations with health and productivity in blue cofiar workers: a chronotype-based approach
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/PDE%2FBDE%2F127787%2F2016/PT
oaire.citation.titleJournal of Sleep Researchpt_PT
oaire.fundingStreamOE
person.familyNameGamboa Madeira
person.familyNamePeixinho Reis
person.familyNamePaiva
person.familyNameSantos Moreira
person.familyNameNogueira
person.givenNameSara
person.givenNameCátia Cristina
person.givenNameMaria Teresa Aguiar dos Santos
person.givenNameCarlos
person.givenNamePaulo Jorge
person.identifier988383
person.identifier1465255
person.identifier1013768
person.identifier.ciencia-idD617-DADD-EDB9
person.identifier.ciencia-idC817-4B30-902F
person.identifier.ciencia-id7B10-224A-DB1D
person.identifier.ciencia-idD01C-A3D1-B032
person.identifier.ciencia-id2410-2DCC-F213
person.identifier.orcid0000-0003-0764-571X
person.identifier.orcid0000-0001-6585-3993
person.identifier.orcid0000-0002-7937-7841
person.identifier.orcid0000-0003-1816-9579
person.identifier.orcid0000-0001-8316-5035
person.identifier.ridAAR-5605-2020
person.identifier.scopus-author-id7005950248
person.identifier.scopus-author-id7005428250
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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