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September 2014 Modeling the effect of temperature on ozone-related mortality
Ander Wilson, Ana G. Rappold, Lucas M. Neas, Brian J. Reich
Ann. Appl. Stat. 8(3): 1728-1749 (September 2014). DOI: 10.1214/14-AOAS754

Abstract

Climate change is expected to alter the distribution of ambient ozone levels and temperatures which, in turn, may impact public health. Much research has focused on the effect of short-term ozone exposures on mortality and morbidity while controlling for temperature as a confounder, but less is known about the joint effects of ozone and temperature. The extent of the health effects of changing ozone levels and temperatures will depend on whether these effects are additive or synergistic. In this paper we propose a spatial, semi-parametric model to estimate the joint ozone-temperature risk surfaces in 95 US urban areas. Our methodology restricts the ozone-temperature risk surfaces to be monotone in ozone and allows for both nonadditive and nonlinear effects of ozone and temperature. We use data from the National Mortality and Morbidity Air Pollution Study (NMMAPS) and show that the proposed model fits the data better than additive linear and nonlinear models. We then examine the synergistic effect of ozone and temperature both nationally and locally and find evidence of a nonlinear ozone effect and an ozone-temperature interaction at higher temperatures and ozone concentrations.

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Ander Wilson. Ana G. Rappold. Lucas M. Neas. Brian J. Reich. "Modeling the effect of temperature on ozone-related mortality." Ann. Appl. Stat. 8 (3) 1728 - 1749, September 2014. https://doi.org/10.1214/14-AOAS754

Information

Published: September 2014
First available in Project Euclid: 23 October 2014

zbMATH: 1304.62140
MathSciNet: MR3271351
Digital Object Identifier: 10.1214/14-AOAS754

Rights: Copyright © 2014 Institute of Mathematical Statistics

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Vol.8 • No. 3 • September 2014
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