 
<prompt> Trends in knowledge of causes of malaria | Percent | (2010 NMIS, Mosquitoes, 82) (2015 NMIS, Mosquitoes, 88) (2010 NMIS, Dirty surroundings, 27) (2015 NMIS, Dirty surroundings, 29) (2010 NMIS, Stagnant water, 12) (2015 NMIS, Stagnant water, 20) (2010 NMIS, Eating certain foods, 6) (2015 NMIS, Eating certain foods, 6) <response> Overall, 88 percent of women report that malaria is caused by mosquitoes, 29 percent say malaria is caused by dirty surroundings, and 20 percent say malaria is caused by the presence of stagnant water. Six percent of women say that eating certain foods causes malaria, and 1 percent of women mention that drinking beer can cause one to fall ill with malaria.  