Using choice modelling to identify popular and affordable alternative interventions for schistosomiasis in Uganda

Keila Meginnis, Nick Hanley, Lazaaro Mujumbusi, Lucy Pickering and Poppy H. L. Lamberton

Environment and Development Economics, 2022, vol. 27, issue 6, 578-600

Abstract: Schistosomiasis is caused by a vector-borne parasite, commonly found in low- and middle-income countries. People become infected by direct contact with contaminated water through activities such as collecting water, bathing and fishing. Water becomes contaminated when human waste is not adequately contained. We administered a discrete choice experiment to understand community preferences for interventions that would reduce individuals' risk of contracting, or transmitting, Schistosoma mansoni. These focused on water access, sanitation and hygiene (WASH) interventions. We compared interventions that target behaviours that mainly put oneself at higher risk versus behaviours that mainly put others at risk. We used two payment vehicles to quantify what individuals are willing to give up in time and/or labour for interventions to be implemented. Key findings indicate that new sources of potable water and fines on open defecation are the highest valued interventions.

Date: 2022
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