Figure 3From: Quantifying behavioural interactions between humans and mosquitoes: Evaluating the protective efficacy of insecticidal nets against malaria transmission in rural TanzaniaEstimated patterns of exposure to biting An. gambiae for ITN users and non-users at two sites in the Kilombero Valley in 1997 and 2004. Grey background shading represents the proportion of the human population in bed [see Additional file 1].Back to article page