Ambient PM 2.5 and birth outcomes: Estimating the association and attributable risk using a birth cohort study in nine Chinese cities
Previous studies have reported that maternal exposure to particles with aerodynamic diameter
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| Veröffentlicht in: | Environment international 2019-02, Vol.126, p.329 |
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| creator | Liang, Zhijiang Yang, Yin Qian, Zhengmin Ruan, Zengliang Chang, Jenjen Vaughn, Michael G Zhao, Qingguo Lin, Hualiang |
| description | Previous studies have reported that maternal exposure to particles with aerodynamic diameter |
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| fullrecord | <record><control><sourceid>pubmed</sourceid><recordid>TN_cdi_pubmed_primary_30825752</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>30825752</sourcerecordid><originalsourceid>FETCH-pubmed_primary_308257523</originalsourceid><addsrcrecordid>eNqFjk1qwzAQhUUg5LdXCHOBFMWuapNdCQndFLrIPkj2tJ7GloJmtPABeu84IV138x4PPh7fSM02ZZGvXwujp2rO_KO1zl5KM1HTXJeZKUw2U79vnSP0Ap8fkD0bsL4GR1EaCEmq0CFvYc9CnRXy3yANgmUOFQ07-DtuRSK5JNa1CJH4DIlvrH0cVaEJUYAl1T2QB08eYdcMyQgVCSEv1fjLtoxPj16o1WF_3L2vL8l1WJ8ucRCI_enPO_8XuAL_8E8v</addsrcrecordid><sourcetype>Index Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Ambient PM 2.5 and birth outcomes: Estimating the association and attributable risk using a birth cohort study in nine Chinese cities</title><source>DOAJ Directory of Open Access Journals</source><source>Access via ScienceDirect (Elsevier)</source><source>EZB-FREE-00999 freely available EZB journals</source><creator>Liang, Zhijiang ; Yang, Yin ; Qian, Zhengmin ; Ruan, Zengliang ; Chang, Jenjen ; Vaughn, Michael G ; Zhao, Qingguo ; Lin, Hualiang</creator><creatorcontrib>Liang, Zhijiang ; Yang, Yin ; Qian, Zhengmin ; Ruan, Zengliang ; Chang, Jenjen ; Vaughn, Michael G ; Zhao, Qingguo ; Lin, Hualiang</creatorcontrib><description>Previous studies have reported that maternal exposure to particles with aerodynamic diameter <2.5 μm (PM
) is associated with birth outcomes. However, a multicity birth cohort study has not been conducted in China, and the attributable fraction of adverse birth outcomes due to PM
exposure remains unknown.
We examined associations in a birth cohort of 1,455,026 mother-and-live-birth pairs who were followed up from the first hospital visit for pregnancy until the birth of the baby during 2014-2017 in nine cites of the Pearl River Delta (PRD) region, China. The PM
exposures were estimated based on the air pollution concentrations of the nearby monitors. Cox proportional hazards regressions were employed to examine the associations.
We found 1% (HR = 1.01; 95% CI: 1.00, 1.02), 6% (HR = 1.06; 95% CI: 1.05, 1.07), and 7% (HR = 1.07; 95% CI: 1.06, 1.08) increases in risk of PTB and 20% (HR = 1.20; 95% CI: 1.18, 1.22), 18% (HR = 1.18; 95% CI: 1.15, 1.20), and 20% (HR = 1.20; 95% CI: 1.17, 1.23) increases in risk of LBW, with each 10 μg/m
increase in PM
from trimester 1 to trimester 3, respectively. For PTB, highest HRs were observed during trimester 3, as for LBW, stronger effect were observed during trimester 1 and trimester 3. We further estimated that 7.84% (95% CI: 6.21%, 9.50%) of PTB and 14.85% (95% CI: 13.00%, 16.61%) of the LBW cases could be attributable to PM
exposure during the third trimester.
The results indicate that maternal PM
exposure is a risk factor for both LBW and PTB, and responsible for considerable burdens of PTB and LBW in the Pearl River Delta region.</description><identifier>EISSN: 1873-6750</identifier><identifier>PMID: 30825752</identifier><language>eng</language><publisher>Netherlands</publisher><ispartof>Environment international, 2019-02, Vol.126, p.329</ispartof><rights>Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30825752$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Liang, Zhijiang</creatorcontrib><creatorcontrib>Yang, Yin</creatorcontrib><creatorcontrib>Qian, Zhengmin</creatorcontrib><creatorcontrib>Ruan, Zengliang</creatorcontrib><creatorcontrib>Chang, Jenjen</creatorcontrib><creatorcontrib>Vaughn, Michael G</creatorcontrib><creatorcontrib>Zhao, Qingguo</creatorcontrib><creatorcontrib>Lin, Hualiang</creatorcontrib><title>Ambient PM 2.5 and birth outcomes: Estimating the association and attributable risk using a birth cohort study in nine Chinese cities</title><title>Environment international</title><addtitle>Environ Int</addtitle><description>Previous studies have reported that maternal exposure to particles with aerodynamic diameter <2.5 μm (PM
) is associated with birth outcomes. However, a multicity birth cohort study has not been conducted in China, and the attributable fraction of adverse birth outcomes due to PM
exposure remains unknown.
We examined associations in a birth cohort of 1,455,026 mother-and-live-birth pairs who were followed up from the first hospital visit for pregnancy until the birth of the baby during 2014-2017 in nine cites of the Pearl River Delta (PRD) region, China. The PM
exposures were estimated based on the air pollution concentrations of the nearby monitors. Cox proportional hazards regressions were employed to examine the associations.
We found 1% (HR = 1.01; 95% CI: 1.00, 1.02), 6% (HR = 1.06; 95% CI: 1.05, 1.07), and 7% (HR = 1.07; 95% CI: 1.06, 1.08) increases in risk of PTB and 20% (HR = 1.20; 95% CI: 1.18, 1.22), 18% (HR = 1.18; 95% CI: 1.15, 1.20), and 20% (HR = 1.20; 95% CI: 1.17, 1.23) increases in risk of LBW, with each 10 μg/m
increase in PM
from trimester 1 to trimester 3, respectively. For PTB, highest HRs were observed during trimester 3, as for LBW, stronger effect were observed during trimester 1 and trimester 3. We further estimated that 7.84% (95% CI: 6.21%, 9.50%) of PTB and 14.85% (95% CI: 13.00%, 16.61%) of the LBW cases could be attributable to PM
exposure during the third trimester.
The results indicate that maternal PM
exposure is a risk factor for both LBW and PTB, and responsible for considerable burdens of PTB and LBW in the Pearl River Delta region.</description><issn>1873-6750</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFjk1qwzAQhUUg5LdXCHOBFMWuapNdCQndFLrIPkj2tJ7GloJmtPABeu84IV138x4PPh7fSM02ZZGvXwujp2rO_KO1zl5KM1HTXJeZKUw2U79vnSP0Ap8fkD0bsL4GR1EaCEmq0CFvYc9CnRXy3yANgmUOFQ07-DtuRSK5JNa1CJH4DIlvrH0cVaEJUYAl1T2QB08eYdcMyQgVCSEv1fjLtoxPj16o1WF_3L2vL8l1WJ8ucRCI_enPO_8XuAL_8E8v</recordid><startdate>20190227</startdate><enddate>20190227</enddate><creator>Liang, Zhijiang</creator><creator>Yang, Yin</creator><creator>Qian, Zhengmin</creator><creator>Ruan, Zengliang</creator><creator>Chang, Jenjen</creator><creator>Vaughn, Michael G</creator><creator>Zhao, Qingguo</creator><creator>Lin, Hualiang</creator><scope>NPM</scope></search><sort><creationdate>20190227</creationdate><title>Ambient PM 2.5 and birth outcomes: Estimating the association and attributable risk using a birth cohort study in nine Chinese cities</title><author>Liang, Zhijiang ; Yang, Yin ; Qian, Zhengmin ; Ruan, Zengliang ; Chang, Jenjen ; Vaughn, Michael G ; Zhao, Qingguo ; Lin, Hualiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-pubmed_primary_308257523</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liang, Zhijiang</creatorcontrib><creatorcontrib>Yang, Yin</creatorcontrib><creatorcontrib>Qian, Zhengmin</creatorcontrib><creatorcontrib>Ruan, Zengliang</creatorcontrib><creatorcontrib>Chang, Jenjen</creatorcontrib><creatorcontrib>Vaughn, Michael G</creatorcontrib><creatorcontrib>Zhao, Qingguo</creatorcontrib><creatorcontrib>Lin, Hualiang</creatorcontrib><collection>PubMed</collection><jtitle>Environment international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liang, Zhijiang</au><au>Yang, Yin</au><au>Qian, Zhengmin</au><au>Ruan, Zengliang</au><au>Chang, Jenjen</au><au>Vaughn, Michael G</au><au>Zhao, Qingguo</au><au>Lin, Hualiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ambient PM 2.5 and birth outcomes: Estimating the association and attributable risk using a birth cohort study in nine Chinese cities</atitle><jtitle>Environment international</jtitle><addtitle>Environ Int</addtitle><date>2019-02-27</date><risdate>2019</risdate><volume>126</volume><spage>329</spage><pages>329-</pages><eissn>1873-6750</eissn><abstract>Previous studies have reported that maternal exposure to particles with aerodynamic diameter <2.5 μm (PM
) is associated with birth outcomes. However, a multicity birth cohort study has not been conducted in China, and the attributable fraction of adverse birth outcomes due to PM
exposure remains unknown.
We examined associations in a birth cohort of 1,455,026 mother-and-live-birth pairs who were followed up from the first hospital visit for pregnancy until the birth of the baby during 2014-2017 in nine cites of the Pearl River Delta (PRD) region, China. The PM
exposures were estimated based on the air pollution concentrations of the nearby monitors. Cox proportional hazards regressions were employed to examine the associations.
We found 1% (HR = 1.01; 95% CI: 1.00, 1.02), 6% (HR = 1.06; 95% CI: 1.05, 1.07), and 7% (HR = 1.07; 95% CI: 1.06, 1.08) increases in risk of PTB and 20% (HR = 1.20; 95% CI: 1.18, 1.22), 18% (HR = 1.18; 95% CI: 1.15, 1.20), and 20% (HR = 1.20; 95% CI: 1.17, 1.23) increases in risk of LBW, with each 10 μg/m
increase in PM
from trimester 1 to trimester 3, respectively. For PTB, highest HRs were observed during trimester 3, as for LBW, stronger effect were observed during trimester 1 and trimester 3. We further estimated that 7.84% (95% CI: 6.21%, 9.50%) of PTB and 14.85% (95% CI: 13.00%, 16.61%) of the LBW cases could be attributable to PM
exposure during the third trimester.
The results indicate that maternal PM
exposure is a risk factor for both LBW and PTB, and responsible for considerable burdens of PTB and LBW in the Pearl River Delta region.</abstract><cop>Netherlands</cop><pmid>30825752</pmid></addata></record> |
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| identifier | EISSN: 1873-6750 |
| ispartof | Environment international, 2019-02, Vol.126, p.329 |
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| language | eng |
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| source | DOAJ Directory of Open Access Journals; Access via ScienceDirect (Elsevier); EZB-FREE-00999 freely available EZB journals |
| title | Ambient PM 2.5 and birth outcomes: Estimating the association and attributable risk using a birth cohort study in nine Chinese cities |
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