Modeling multi-level survival data in multi-center epidemiological cohort studies Vrije Universiteit Brussel
Background: We evaluated methods for the analysis of multi-level survival data using a pooled dataset of 14 cohorts participating in the ELAPSE project investigating associations between residential exposure to low levels of air pollution (PM2.5 and NO2) and health (natural-cause mortality and cerebrovascular, coronary and lung cancer incidence).
Methods: We applied five approaches in a multivariable Cox model to account for the first ...