Fig. 6From: Analysis of contamination in cluster randomized trials of malaria interventionsIllustration of the results for the sigmoid model \(\mathcal {S}_{RE}\). The thick line indicates the fitted sigmoid curve, together with the confidence intervals. On the x-axis, the distance to the nearest discordant household up to 1 km and on the y-axis, the standardized mortality ratio is plottedBack to article page