Survival Analysis to Estimate Association between Short-Term Mortality and Air Pollution
Author(s) -
Johanna Lepeule,
Virginie Rondeau,
Laurent Filleul,
JeanFrançois Dartigues
Publication year - 2005
Publication title -
environmental health perspectives
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.257
H-Index - 282
eISSN - 1552-9924
pISSN - 0091-6765
DOI - 10.1289/ehp.8311
Subject(s) - cardiorespiratory fitness , proportional hazards model , confidence interval , demography , medicine , environmental health , relative risk , cohort study , survival analysis , surgery , sociology
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 dead subjects, which limits the statistical power.
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