Box 1 Definitions of key terms related to ownership and utilization of bed nets

Proportion of households with at least one ITN Numerator: Number of households surveyed with at least one ITN Denominator: Total number of households surveyed Proportion of households with at least one ITN for every two people Numerator: Number of households surveyed with at least one ITN for every two people Denominator: Total number of households surveyed Proportion of the population with access to an ITN in their household Numerator: Total number of individuals who can sleep under an ITN if each ITN in the household is used by two people Denominator: Total number of individuals who spent the previous night in the surveyed households Proportion of the population that reported sleeping under an ITN the previous night Numerator: Number of individuals who reported sleeping under an ITN the previous night Denominator: Total number of individuals who spent the previous night in the surveyed households Migrant population Migrant population, according to the survey, was defined as a mobile person of any age who temporarily lives in the selected townships for less than 3 years duration of stay and not registered as a native villager in the village census