Additional file 1: of Association between Schistosoma mansoni infection and access to improved water and sanitation facilities in Mwea, Kirinyaga County, Kenya GichukiPaul KephaStella MulewaDamaris MasakuJanet KwobaCelestine MbuguaGabriel MazigoHumphrey MwandawiroCharles 2019 Household questionnaire. (DOCX 26 kb)