“…The independent variables identified through a literature review include the following 15 - 22 , 32 , 33 : age, sex, level of education, marital status, ethnicity, religion, occupation, knowledge about WASH (Water, Sanitation and Hygiene), exposure level to newspapers, exposure level to radio, exposure level to television, household’s wealth index, household’s water service, household’s hand hygiene service, household size, presence of children under 5 ( Supplemental Table S1 ). The wealth index involves scores for each household based on the quantity and type of consumer goods owned.…”