Abstract Title:

Time-series analysis of satellite-derived fine particulate matter pollution and asthma morbidity in Jackson, MS.

Abstract Source:

Environ Monit Assess. 2019 Jun 28 ;191(Suppl 2):280. Epub 2019 Jun 28. PMID: 31254082

Abstract Author(s):

Howard H Chang, Anqi Pan, David J Lary, Lance A Waller, Lei Zhang, Bruce T Brackin, Richard W Finley, Fazlay S Faruque

Article Affiliation:

Howard H Chang


In order to examine associations between asthma morbidity and local ambient air pollution in an area with relatively low levels of pollution, we conducted a time-series analysis of asthma hospital admissions and fine particulate matter pollution (PM) in and around Jackson, MS, for the period 2003 to 2011. Daily patient-level records were obtained from the Mississippi State Department of Health (MSDH) Asthma Surveillance System. Patient geolocations were aggregated into a grid with 0.1° × 0.1° resolution within the Jackson Metropolitan Statistical Area. Daily PMconcentrations were estimated via machine-learning algorithms with remotely sensed aerosol optical depth and other associated parameters as inputs. Controlling for long-term temporal trends and meteorology, we estimated a 7.2% (95% confidence interval 1.7-13.1%) increase in daily all-age asthma emergency room admissions per 10 μg/mincrease in the 3-day average of PMlevels (current day and two prior days). Stratified analyses reveal significant associations between asthma and 3-day average PMfor males and blacks. Our results contribute to the current epidemiologic evidence on the association between acute ambient air pollution exposure and asthma morbidity, even in an area characterized by relatively good air quality.

Study Type : Human Study

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