Journal
NEUROEPIDEMIOLOGY
Volume 35, Issue 3, Pages 196-201Publisher
KARGER
DOI: 10.1159/000316874
Keywords
Ischemic stroke, epidemiology; Risk factors; Diabetes mellitus; Environmental factors
Funding
- Ohio University
- Fogarty International Center, National Institutes of Health [TW000636]
- Institute for Health and the Environment
- FOGARTY INTERNATIONAL CENTER [D43TW000636] Funding Source: NIH RePORTER
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Background: Evidence is emerging that exposure to persistent organic pollutants (POP) is a risk factor for atherosclerosis-related diseases and for diabetes mellitus (DM). We hypothesized that residential proximity to sources of POP will be associated with an increase in hospitalization rates for ischemic stroke (IS) with comorbid DM (IS-DM). Methods: We examined IS-DM hospitalization rates in the New York State (exclusive of New York City) during a 12-year period. POP exposure status was assessed based on residency in a zip code containing or abutting environmental sources of POP. Adjusted relative risks (RR) of IS-DM hospitalization were estimated by multivariate Poisson regression. Results: A statistically significant 10% increase in IS-DM hospitalization rates was observed in populations environmentally exposed to POP (adjusted RR 1.10, 95% confidence interval, CI, 1.01-1.20; p = 0.031). IS-DM hospitalization rates were also higher in males (adjusted RR 1.34, 95% CI 1.30-1.39; p < 0.001), in blacks (adjusted RR 4.54, 95% CI 4.16-4.94; p < 0.001) and in older age groups (p for trend <0.001). Conclusions: Residential proximity to sources of POP is associated with an increase in RR of IS-DM hospitalization. Our findings support the hypothesis of POP being a risk factor for IS. Further studies are warranted. Copyright (C) 2010 S. Karger AG, Basel
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