Dataset Information

Ambient air pollution and years of life lost in Ningbo, China.

ABSTRACT: To evaluate the burden of air pollution on years of life lost (YLL) in addition to mortality, we conducted a time series analysis based on the data on air pollution, meteorological conditions and 163,704 non-accidental deaths of Ningbo, China, 2009-2013. The mean concentrations of particulate matter with aerodynamic diameter <10??m, particulate matter with aerodynamic diameter <2.5??m, sulfur dioxide and nitrogen dioxide were 84.0??g/m(3), 60.1??g/m(3), 25.1??g/m(3) and 41.7??g/m(3), respectively. An increase of 10-?g/m(3) in particulate matter with aerodynamic diameter <10??m, particulate matter with aerodynamic diameter <2.5??m, sulfur dioxide and nitrogen dioxide was associated with 4.27 (95% confidence interval [CI] 1.17-7.38), 2.97 (95% CI -2.01-7.95), 29.98 (95% CI 19.21-40.76) and 16.58 (95% CI 8.19-24.97) YLL, respectively, and 0.53% (95% CI 0.29-0.76%), 0.57% (95% CI 0.20-0.95%), 2.89% (95% CI 2.04-3.76%), and 1.65% (95% CI 1.01-2.30%) increase of daily death counts, respectively. The impact of air pollution lasted for four days (lag 0-3), and were more significant in the elderly than in the young population for both outcomes. These findings clarify the burden of air pollution on YLL and highlight the importance and urgency of air pollution control in China.

SUBMITTER: He T

PROVIDER: S-EPMC4772387 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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Ambient air pollution and years of life lost in Ningbo, China.

He Tianfeng T Yang Zuyao Z Liu Tao T Shen Yueping Y Fu Xiaohong X Qian Xujun X Zhang Yuelun Y Wang Yong Y Xu Zhiwei Z Zhu Shankuan S Mao Chen C Xu Guozhang G Tang Jinling J

Scientific reports 20160301

To evaluate the burden of air pollution on years of life lost (YLL) in addition to mortality, we conducted a time series analysis based on the data on air pollution, meteorological conditions and 163,704 non-accidental deaths of Ningbo, China, 2009-2013. The mean concentrations of particulate matter with aerodynamic diameter <10 μm, particulate matter with aerodynamic diameter <2.5 μm, sulfur dioxide and nitrogen dioxide were 84.0 μg/m(3), 60.1 μg/m(3), 25.1 μg/m(3) and 41.7 μg/m(3), respectivel ...[more]

PMID: 26927539

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Project description:BACKGROUND:Residential proximity to major roadways, and prenatal exposures to particulate matter <2.5??m (PM2.5) and ozone (O3) are linked to poor fetal outcomes but their relationship with childhood development is unclear. OBJECTIVES:We investigated whether proximity to major roadways, or prenatal and early-life exposures to PM2.5 and O3 increase the risk of early developmental delays. STUDY DESIGN:Prospective cohort. SETTINGS:New York State excluding New York City. PARTICIPANTS:4089 singletons and 1016 twins born between 2008 and 2010. EXPOSURES:Proximity to major roadway was calculated using road network data from the NY Department of Transportation. Concentrations of PM2.5 and O3 estimated by the Environmental Protection Agency Downscaler models were spatiotemporally linked to each child's prenatal and early-life addresses incorporating residential history, and locations of maternal work and day-care. OUTCOMES:Parents reported their children's development at ages 8, 12, 18, 24, 30 and 36 months in five domains using the Ages and Stages Questionnaire. Generalized mixed models estimated the relative risk (RR) and 95% CI for failing any developmental domain per 10 units increase in PM2.5 and O3, and for those living <1000?m away from a major roadway compared to those living further. Models adjusted for potential confounders. RESULTS:Compared to those >1000?m away from a major roadway, those resided 50-100?m [RR: 2.12 (1.00-4.52)] and 100-500?m [RR: 2.07 (1.02-4.22)] away had twice the risk of failing the communication domain. Prenatal exposures to both PM2.5 and ozone during various pregnancy windows had weak but significant associations with failing any developmental domain with effects ranging from 1.6% to 2.7% for a 10??g/m3 increase in PM2.5 and 0.7%-1.7% for a 10?ppb increase in ozone. Average daily postnatal ozone exposure was positively associated with failing the overall screening by 8 months [3.3% (1.1%-5.5%)], 12 months [17.7% (10.4%-25.5%)], and 30 months [7.6%, (1.3%-14.3%)]. Findings were mixed for postnatal PM2.5 exposures. CONCLUSIONS:In this prospective cohort study, proximity to major roadway and prenatal/early-life exposures to PM2.5 and O3 were associated with developmental delays. While awaiting larger studies with personal air pollution assessment, efforts to minimize air pollution exposures during critical developmental windows may be warranted.

Dataset Information

Ambient air pollution and years of life lost in Ningbo, China.

Publications

Ambient air pollution and years of life lost in Ningbo, China.

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