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CO2 concentration in day care centres is related to weezing in attending children

2014-03-04Journal article Restricted access
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dc.contributor.authorCarreiro-Martins, Pedro
dc.contributor.authorViegas, João
dc.contributor.authorPapoila, Ana Luísa
dc.contributor.authorAelenei, Daniel
dc.contributor.authorCaires, Iolanda
dc.contributor.authorAraújo-Martins, José
dc.contributor.authorGaspar-Marques, João
dc.contributor.authorCano, Maria Manuela
dc.contributor.authorMendes, Ana Sofia
dc.contributor.authorVirella, Daniel
dc.contributor.authorRosado-Pinto, José
dc.contributor.authorLeiria-Pinto, Paula
dc.contributor.authorAnnesi-Maesano, Isabella
dc.contributor.authorNeuparth, Nuno
dc.date.accessioned2015-02-03T17:06:46Z
dc.date.available2015-02-03T17:06:46Z
dc.date.issued2014-03-04
dc.description.abstractPoor ventilation at day care centres (DCCs) was already reported, although its effects on attending children are not clear. This study aimed to evaluate the association between wheezing in children and indoor CO2 (a ventilation surrogate marker) in DCC and to identify behaviours and building characteristics potentially related to CO2. In phase I, 45 DCCs from Lisbon and Oporto (Portugal) were selected through a proportional stratified random sampling. In phase II, 3 months later, 19 DCCs were further reassessed after cluster analysis for the greatest difference comparison. In both phases, children’s respiratory health was assessed by ISAAC-derived questionnaires. Indoor CO2 concentrations and buildingcharacteristics of the DCC were evaluated in both phases, using complementary methods. Mixed effect models were used to analyze the data. In phase I, which included 3,186 children (mean age 3.1±1.5 years), indoor CO2 concentration in the DCC rooms was associated with reported wheezing in the past 12months (27.5 %) (adjusted odds ratio (OR) for each increase of 200 ppm 1.04, 95 % CI 1:01 to 1:07). In phase II, the association in the subsample of 1,196 children seen in 19 out of the initial 45 DCCs was not significant (adjusted OR 1.02, 95 % CI 0.96 to 1.08). Indoor CO2 concentration was inversely associated with the practices of opening windows and internal doors and with higher wind velocity. A positive trend was observed between CO2 and prevalence of reported asthma (4.7 %). Conclusion: Improved ventilation is needed to achieve a healthier indoor environment in DCC.por
dc.description.sponsorshipFundação para a Ciência e Tecnologia—ENVIRH Project PTDC/SAU-ESA/100275/2008 and PEst-OE/MAT/UI0006/2014.por
dc.identifier.citationEur J Pediatr. 2014 Aug;173(8):1041-9. doi: 10.1007/s00431-014-2288-4. Epub 2014 Mar 4por
dc.identifier.doi10.1007/s00431-014-2288-4
dc.identifier.issn0340-6199
dc.identifier.urihttp://hdl.handle.net/10400.18/2764
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherSpringer Verlag (Germany)por
dc.relationENVIRH : PTDC/SAU-ESA/100275/2008por
dc.relation2014 - Strategic Project
dc.relation.publisherversionhttp://link.springer.com/article/10.1007%2Fs00431-014-2288-4por
dc.subjectChildrenpor
dc.subjectEnvironmental Healthpor
dc.subjectIndoor Air Qualitypor
dc.subjectKindergartenpor
dc.subjectVentilationpor
dc.subjectAr e Saúde Ocupacionalpor
dc.subjectQualidade do Ar Interiorpor
dc.titleCO2 concentration in day care centres is related to weezing in attending childrenpor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitle2014 - Strategic Project
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FMAT%2FUI0006%2F2014/PT
oaire.citation.endPage1049por
oaire.citation.startPage1041por
oaire.citation.titleEuropean Journal of Pediatricspor
oaire.citation.volume173(8)por
oaire.fundingStream6817 - DCRRNI ID
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsembargoedAccesspor
rcaap.typearticlepor
relation.isProjectOfPublication5091b901-0faf-45ca-8024-913a277018de
relation.isProjectOfPublication.latestForDiscovery5091b901-0faf-45ca-8024-913a277018de

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