Statistical methods
malaria
MALARIA, INFECTIONS
To measure the effect of DWL installation on malaria infections, a matched pair design was used, with pairs of village clusters matched within three subregions in Bomi County. There was no weighting by population size. Differences in malaria prevalence between the coastal region and the two upland regions led us to separate the analysis into two segments by region (Table Mosquito mortality was calculated by scoring dead and alive mosquitoes at 24 and 72 h post exposure to DWL samples and adjusting with Abbot’s formula as required [