  
<prompt> Household ownership of ITNs—Mainland Tanzania | Percent distribution of households | (No ITN, 0.22) (At least 1 ITN, but not enough for all HH members, 0.33) (At least 1 ITN per every 2 persons, 0.45) <response> Zanzibar, 56% of households own at least one ITN, compared to 56% of households in Tanzania.  