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

Detalhes bibliográficos
Autor(a) principal: Carreiro-Martins, Pedro
Data de Publicação: 2014
Outros Autores: Viegas, João, Papoila, Ana Luísa, Aelenei, Daniel, Caires, Iolanda, Araújo-Martins, José, Gaspar-Marques, João, Cano, Maria Manuela, Mendes, Ana Sofia, Virella, Daniel, Rosado-Pinto, José, Leiria-Pinto, Paula, Annesi-Maesano, Isabella, Neuparth, Nuno
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.18/2764
Resumo: Poor 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.
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spelling CO2 concentration in day care centres is related to weezing in attending childrenChildrenEnvironmental HealthIndoor Air QualityKindergartenVentilationAr e Saúde OcupacionalQualidade do Ar InteriorPoor 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.Fundação para a Ciência e Tecnologia—ENVIRH Project PTDC/SAU-ESA/100275/2008 and PEst-OE/MAT/UI0006/2014.Springer Verlag (Germany)Repositório Científico do Instituto Nacional de SaúdeCarreiro-Martins, PedroViegas, JoãoPapoila, Ana LuísaAelenei, DanielCaires, IolandaAraújo-Martins, JoséGaspar-Marques, JoãoCano, Maria ManuelaMendes, Ana SofiaVirella, DanielRosado-Pinto, JoséLeiria-Pinto, PaulaAnnesi-Maesano, IsabellaNeuparth, Nuno2015-02-03T17:06:46Z2014-03-042014-03-04T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.18/2764engEur J Pediatr. 2014 Aug;173(8):1041-9. doi: 10.1007/s00431-014-2288-4. Epub 2014 Mar 40340-619910.1007/s00431-014-2288-4info:eu-repo/semantics/embargoedAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-20T15:39:27Zoai:repositorio.insa.pt:10400.18/2764Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T18:37:47.096649Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv CO2 concentration in day care centres is related to weezing in attending children
title CO2 concentration in day care centres is related to weezing in attending children
spellingShingle CO2 concentration in day care centres is related to weezing in attending children
Carreiro-Martins, Pedro
Children
Environmental Health
Indoor Air Quality
Kindergarten
Ventilation
Ar e Saúde Ocupacional
Qualidade do Ar Interior
title_short CO2 concentration in day care centres is related to weezing in attending children
title_full CO2 concentration in day care centres is related to weezing in attending children
title_fullStr CO2 concentration in day care centres is related to weezing in attending children
title_full_unstemmed CO2 concentration in day care centres is related to weezing in attending children
title_sort CO2 concentration in day care centres is related to weezing in attending children
author Carreiro-Martins, Pedro
author_facet Carreiro-Martins, Pedro
Viegas, João
Papoila, Ana Luísa
Aelenei, Daniel
Caires, Iolanda
Araújo-Martins, José
Gaspar-Marques, João
Cano, Maria Manuela
Mendes, Ana Sofia
Virella, Daniel
Rosado-Pinto, José
Leiria-Pinto, Paula
Annesi-Maesano, Isabella
Neuparth, Nuno
author_role author
author2 Viegas, João
Papoila, Ana Luísa
Aelenei, Daniel
Caires, Iolanda
Araújo-Martins, José
Gaspar-Marques, João
Cano, Maria Manuela
Mendes, Ana Sofia
Virella, Daniel
Rosado-Pinto, José
Leiria-Pinto, Paula
Annesi-Maesano, Isabella
Neuparth, Nuno
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Repositório Científico do Instituto Nacional de Saúde
dc.contributor.author.fl_str_mv Carreiro-Martins, Pedro
Viegas, João
Papoila, Ana Luísa
Aelenei, Daniel
Caires, Iolanda
Araújo-Martins, José
Gaspar-Marques, João
Cano, Maria Manuela
Mendes, Ana Sofia
Virella, Daniel
Rosado-Pinto, José
Leiria-Pinto, Paula
Annesi-Maesano, Isabella
Neuparth, Nuno
dc.subject.por.fl_str_mv Children
Environmental Health
Indoor Air Quality
Kindergarten
Ventilation
Ar e Saúde Ocupacional
Qualidade do Ar Interior
topic Children
Environmental Health
Indoor Air Quality
Kindergarten
Ventilation
Ar e Saúde Ocupacional
Qualidade do Ar Interior
description Poor 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.
publishDate 2014
dc.date.none.fl_str_mv 2014-03-04
2014-03-04T00:00:00Z
2015-02-03T17:06:46Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.18/2764
url http://hdl.handle.net/10400.18/2764
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Eur J Pediatr. 2014 Aug;173(8):1041-9. doi: 10.1007/s00431-014-2288-4. Epub 2014 Mar 4
0340-6199
10.1007/s00431-014-2288-4
dc.rights.driver.fl_str_mv info:eu-repo/semantics/embargoedAccess
eu_rights_str_mv embargoedAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer Verlag (Germany)
publisher.none.fl_str_mv Springer Verlag (Germany)
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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