Wildfire-sourced fine particulate matter and preterm birth risks in Brazil: A nationwide population-based cohort study

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dc.contributor.authorZhang, Yiwen
dc.contributor.authorHuang, Wenzhong
dc.contributor.authorXu, Rongbin
dc.contributor.authorYe, Tingting
dc.contributor.authorChen, Gongbo
dc.contributor.authorYue, Xu
dc.contributor.authorCoêl , Micheline de Sousa Zanotti Stagliorio
dc.contributor.authorSaldiva, Paulo Hilario Nascimento
dc.contributor.authorSong, Jiangning
dc.contributor.authorGuo, Yuming
dc.contributor.authorLi, Shanshan
dc.creatorZhang, Yiwen
dc.creatorHuang, Wenzhong
dc.creatorXu, Rongbin
dc.creatorYe, Tingting
dc.creatorChen, Gongbo
dc.creatorYue, Xu
dc.creatorCoêl , Micheline de Sousa Zanotti Stagliorio
dc.creatorSaldiva, Paulo Hilario Nascimento
dc.creatorSong, Jiangning
dc.creatorGuo, Yuming
dc.creatorLi, Shanshan
dc.date.accessioned2024-11-04T16:54:12Z
dc.date.available2024-11-04T16:54:12Z
dc.date.issued2024
dc.description.abstractWildfire-specific particulate matter with diameters ≤ 2.5 µm (PM2.5) is the key component of wildfire smoke, with potentially higher toxicity than PM2.5 from other sources. In this nationwide population-based cohort study, we included 22,163,195 births from Brazil during 2010–2019. Daily wildfire-specific PM2.5 was estimated through the chemical transport model. Time-varying Cox proportional hazards models were used to characterize the exposure-time-response (E-T-R) relationship between weekly wildfire-specific PM2.5 exposure and preterm birth (PTB) risks, followed by subgroup analyses. A 10 µg/m3 increment in wildfire-specific PM2.5 was associated with a hazard ratio of 1.047 (95 % confidence interval [CI]: 1.032–1.063) for PTB. Stronger associations between wildfire-specific PM2.5 and PTB were observed during earlier pregnancy, among female infants, and pregnant women < 18 years old, in ethnic minorities, with a length of education ≥ 11 years, from low-income or high temperature municipalities, and residing in North/Northeast regions. An estimated 1.47 % (95 % CI: 1.01 %–1.94 %) of PTBs were attributable to wildfire-specific PM2.5 in Brazil, increasing from 2010 to 2019. The PTBs attributable to wildfire-specific PM2.5 surpassed those attributed to non-wildfire PM2.5 (0.31 %, 95% CI: 0.09 %–0.57 %). Wildfire emerged as a critical source contributing to the PM2.5-linked PTBs. Prioritized fire management and emission control strategies are warranted for PTB prevention.en
dc.formatDigital
dc.format.extent11 p.
dc.identifier.doi10.1016/j.jhazmat.2024.136290
dc.identifier.issn0304-3894
dc.identifier.urihttps://repositorio.insper.edu.br/handle/11224/7198
dc.language.isoInglês
dc.relation.isboundProdução vinculada ao Centro de Estudos das Cidades – Laboratório Arq.Futuro
dc.relation.ispartofJournal of Hazardous Materials
dc.subjectCohort studyen
dc.subjectWildfire-specific PM2.5en
dc.subjectPreterm birthen
dc.subjectBrazilen
dc.subjectCritical exposure windowen
dc.subjectTime-varying Coxen
dc.titleWildfire-sourced fine particulate matter and preterm birth risks in Brazil: A nationwide population-based cohort study
dc.typejournal article
dspace.entity.typePublication
local.identifier.sourceUrihttps://www.sciencedirect.com/science/article/pii/S0304389424028693
local.publisher.countryNão Informado
local.subject.cnpqCIENCIAS DA SAUDE
local.subject.cnpqCIENCIAS BIOLOGICAS::ECOLOGIA
local.subject.cnpqCIENCIAS EXATAS E DA TERRA::GEOCIENCIAS
local.typeArtigo Científico
publicationvolume.volumeNumber480
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