Figure 2From: Malaria morbidity and immunity among residents of villages with different Plasmodium falciparum transmission intensity in North-Eastern TanzaniaAge-specific anaemia prevalence and mean haemoglobin levels by village and season. Panels A, B, and C show results of surveys conducted in April, July and September 2001, respectively. The lines and symbols show patterns of anaemia prevalence for each village (Mgome: solid lines with filled circle, Ubiri: dotted lines with filled triangle, Magamba: dashed lines with filled square). Bars indicate mean altitude adjusted haemoglobin levels (g/dl) and 95% confidence intervals in each village (Mgome: empty bars, Ubiri: hatched bars, Magamba: crossed hatched bars).Back to article page