Changing hygiene behaviours: a cluster-randomized trial, Ethiopia

To determine whether a water, sanitation and hygiene intervention could change hygiene behaviours thought to be important for trachoma control.We conducted a cluster-randomized trial in rural Ethiopia from 9 November 2015 to 5 March 2019. We randomized 20 clusters to an intervention consisting of water and sanitation infrastructure and hygiene promotion and 20 clusters to no intervention. All intervention clusters received a primary-school...