CO2 concentration in day care centres is related to weezing in attending children
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , , , , , , , , , , |
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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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 |
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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) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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