Modifiers of short-term effects of ozone on mortality in eastern Massachusetts - A casecrossover analysis at individual level |
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| Authors: | Cizao Ren Steve Melly Joel Schwartz |
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| Affiliation: | (1) Exposure, Epidemiology, and Risk Program, Department of Environmental Health, Harvard School of Public Health, Landmark Center, West, 4th floor, 401 Park Street, 02215 Boston, MA, USA |
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| Abstract: | Background Substantial epidemiological studies demonstrate associations between exposure to ambient ozone and mortality. A few studies simply examine the modification of this ozone effect by individual characteristics and socioeconomic status, but socioeconomic status was usually coded at the city level. |
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