Figure 3From: Evaluating area-level spatial clustering of SalmonellaEnteritidis infections and their socioeconomic determinants in the greater Toronto area, Ontario, Canada (2007 – 2009): a retrospective population-based ecological study Relative risk a) of Salmonella Enteritidis infections by forward sortation area. a) The ratio of the observed number of cases to the age-and-sex-adjusted expected number of cases. Values < 1 indicate lower incidence than expected, whereas values >1 indicate higher incidence than expected.Back to article page