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Journal article
Linking stroke mortality with air pollution, income, and greenness in Northwest Florida: An ecological geographical study
International Journal of Health Geographics, Vol.7
7
2008
PMCID: PMC2396612
PMID: 18452609
Web of Science ID: WOS:000258233300002
Abstract
Background: Relatively few studies have examined the association between air pollution and stroke mortality. Inconsistent and inclusive results from existing studies on air pollution and stroke justify the need to continue to investigate the linkage between stroke and air pollution. No studies have been done to investigate the association between stroke and greenness. The objective of this study was to examine if there is association of stroke with air pollution, income and greenness in northwest Florida.
Results: Our study used an ecological geographical approach and dasymetric mapping technique. We adopted a Bayesian hierarchical model with a convolution prior considering five census tract specific covariates. A 95% credible set which defines an interval having a 0.95 posterior probability of containing the parameter for each covariate was calculated from Markov Chain Monte Carlo simulations. The 95% credible sets are (-0.286, -0.097) for household income, (0.034, 0.144) for traffic air pollution effect, (0.419, 1.495) for emission density of monitored point source polluters, (0.413, 1.522) for simple point density of point source polluters without emission data, and (-0.289,-0.031) for greenness. Household income and greenness show negative effects (the posterior densities primarily cover negative values). Air pollution covariates have positive effects (the 95% credible sets cover positive values).
Conclusion: High risk of stroke mortality was found in areas with low income level, high air pollution level, and low level of exposure to green space.
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- Title
- Linking stroke mortality with air pollution, income, and greenness in Northwest Florida
- Publication Details
- International Journal of Health Geographics, Vol.7
- Resource Type
- Journal article
- Publisher
- BioMed Central; London
- Series
- 7
- Format
- pdf
- Copyright
- 2008 Hu et al This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
- Identifiers
- WOS:000258233300002; 99380090650806600
- Academic Unit
- Earth and Environmental Sciences
- Language
- English