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dc.contributor.authorLuong, Ly MT
dc.contributor.authorPhung, Dung
dc.contributor.authorTran, Ngoc Dang
dc.contributor.authorSly, Peter D
dc.contributor.authorMorawska, Lidia
dc.contributor.authorThai, Phong K
dc.date.accessioned2020-02-18T05:33:38Z
dc.date.available2020-02-18T05:33:38Z
dc.date.issued2018
dc.identifier.issn1932-6203
dc.identifier.doi10.1371/journal.pone.0203751
dc.identifier.urihttp://hdl.handle.net/10072/391665
dc.description.abstractBackground Many studies have indicated the detrimental effect of ambient ozone to respiratory health in different countries. The levels of ozone in Hanoi, Vietnam are frequently above the WHO guideline but very few studies on the effects of ambient ozone on human health have been conducted in this location. This study aimed to examine the effects of ozone on hospital admission for respiratory diseases in Hanoi, by diseases, ages and seasons. Methods Hospital admissions, air pollutants and meteorological data were collected from January 2010 to June 2014. We used generalized linear models and distributed lag linear model to assess the association. In addition to full year analysis, we conducted restricted analysis of the data for two summer (from June-August) and winter (from December-February) seasons and grouped hospital admissions by diseases and ages (all ages, children 0 to 5 years and elderly >65 years). The delayed effect of ozone was assessed using lags of up to 5 days. Results Ozone has a stronger effect on the risk of hospital admission for respiratory diseases and wheeze-associated disorders in the winter. For respiratory diseases, children were affected by ozone more than other age groups in both winter and summer. Each increase of 10 μ g/m3 of ozone is associated with an increase of 6.2% risk of admission for respiratory disease among children in the winter and 1.2% in the summer. For wheeze-associated disorders, the elderly group seemed to be more affected by ozone in full year and winter but no significant association was found between ozone and admission for wheeze-associated diseases in any age group.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherPublic Library Science
dc.relation.ispartofpagefrome0203751:1
dc.relation.ispartofpagetoe0203751:15
dc.relation.ispartofissue9
dc.relation.ispartofjournalPLoS ONE
dc.relation.ispartofvolume13
dc.subject.fieldofresearchEnvironmental assessment and monitoring
dc.subject.fieldofresearchRespiratory diseases
dc.subject.fieldofresearchPublic health
dc.subject.fieldofresearchcode410402
dc.subject.fieldofresearchcode320103
dc.subject.fieldofresearchcode4206
dc.subject.keywordsScience & Technology
dc.subject.keywordsMultidisciplinary Sciences
dc.subject.keywordsOUTDOOR AIR-POLLUTION
dc.subject.keywordsNITROGEN-DIOXIDE
dc.titleSeasonal association between ambient ozone and hospital admission for respiratory diseases in Hanoi, Vietnam
dc.typeJournal article
dc.type.descriptionC1 - Articles
dcterms.bibliographicCitationLuong, LMT; Phung, D; Tran, ND; Sly, PD; Morawska, L; Thai, PK, Seasonal association between ambient ozone and hospital admission for respiratory diseases in Hanoi, Vietnam, PLOS ONE, 2018, 13 (9), pp.e0203751:1-e0203751:15
dcterms.dateAccepted2018-08-01
dcterms.licensehttp://creativecommons.org/licenses/by/4.0/
dc.date.updated2020-02-18T05:30:46Z
dc.description.versionVersion of Record (VoR)
gro.rights.copyright© 2018 Luong et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
gro.hasfulltextFull Text
gro.griffith.authorPhung, Dung T.


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