ConsultingSafe Water Systems Program, Center for Refugee and Disaster Response, JHSPHSWSP hired me to analyze 16 months of data on the incidence of diarrhea and other water-borne diseases in 40 villages in the Wardak province of Afghanistan. Villages were randomized to receive either control or one of four water system interventions, including well digging, provision of clorin packets, provision of hygiene education, and a combination of all three interventions. My analysis compared the incidence and prevalence of disease among the five groups. |