Figure 3
Mean birth weight (g) of each of the 11 participating primary health centres recorded during the whole study period (green columns, right y-axis)) and mean monthly incidence of presumed (blue columns) and confirmed (red columns) malaria per 1000 capita for the health centres (left axis), ranked by total incidence (means over the years of study). The errors bars indicate the 95% confidence interval of the mean birth weight.