Fig. 3
From: WASH Benefits Bangladesh trial: system for monitoring coverage and quality in an efficacy trial
Sanitation fidelity measures (% households n = 176) per month, for first to sixth monthly assessments, and a priori benchmark, WASH Benefits, Bangladesh 2012–2015. a households in which latrines were found with an intact water seal (both existing and icddr,b). b households in which pre-existing latrines were found with an intact water seal. c households in which trial-provided latrines were found with an intact water seal