Survival analysis to estimate association between short-term mortality and air pollution.(Research)

From: Environmental Health Perspectives | Date: February 1, 2006| Author: Lepeule, Johanna; Rondeau, Virginie; Filleul, Laurent; Dartigues, Jean-Francois | Copyright information

BACKGROUND: Ecologic studies are commonly used to report associations between short-term air pollution and mortality. In such studies, the unit of observation is the day rather than the individual. Moreover, individual data on the subjects are rarely available, which limits the assessment of individual risk factors. These associations can also be investigated using case-crossover studies. However, by definition, individual risk factors are not studied, and such studies analyze only...

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