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Air pollution, urgent asthma medical visits and the modifying effect of neighborhood asthma prevalence.


ABSTRACT: BACKGROUND:Social and environmental stressors may modify associations between environmental pollutants and asthma symptoms. We examined if neighborhood asthma prevalence (higher: HAPN vs. lower: LAPN), a surrogate for underlying risk factors for asthma, modified the relationship between pollutants and urgent asthma visits. METHODS:Through zip code, home addresses were linked to New York City Community Air Survey's land use regression model for street-level, annual average nitrogen dioxide (NO2), particulate matter (PM2.5), elemental carbon (EC), summer average ozone (O3), winter average sulfur dioxide (SO2) concentrations. Poisson regression models were fit to estimate the association (prevalence ratio, PR) between pollutant exposures and seeking urgent asthma care. RESULTS:All pollutants, except O3 were higher in HAPN than LAPN (P??0.05). CONCLUSIONS:Relationships between modeled street-level pollutants and urgent asthma were stronger in LAPN compared to HAPN. Social stressors that may be more prevalent in HAPN than LAPN, could play a greater role in asthma exacerbations in HAPN vs. pollutant exposure alone.

SUBMITTER: Lovinsky-Desir S 

PROVIDER: S-EPMC6353679 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Air pollution, urgent asthma medical visits and the modifying effect of neighborhood asthma prevalence.

Lovinsky-Desir Stephanie S   Acosta Luis M LM   Rundle Andrew G AG   Miller Rachel L RL   Goldstein Inge F IF   Jacobson Judith S JS   Chillrud Steven N SN   Perzanowski Matthew S MS  

Pediatric research 20181018 1


<h4>Background</h4>Social and environmental stressors may modify associations between environmental pollutants and asthma symptoms. We examined if neighborhood asthma prevalence (higher: HAPN vs. lower: LAPN), a surrogate for underlying risk factors for asthma, modified the relationship between pollutants and urgent asthma visits.<h4>Methods</h4>Through zip code, home addresses were linked to New York City Community Air Survey's land use regression model for street-level, annual average nitrogen  ...[more]

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