Figure 2.

Left-bottom panel: the estimated second-order polynomial time trend derived from the Poisson regression mixed model; dashed lines correspond to the 95% confidence intervals of the estimated time trend curvature. Left-hand side map represents point predictions of underlying relative risks for child mortality in Manhiça district common in the entire period from 1997 to 2005, derived from the Poisson regression mixed model. Right-hand side map shows the significance of the underlying relative risks with a 90% of confidence.