Geospatial variation and machine learning approaches to predict open defecation practice in Zambia - Andualem Addisu Birlie; Nega Abebe Meshesha; Sefefe Birhanu Tizie; Smegnew Gichew Wondie; Selamawit Gashaw Teshome; Tesfaye Deribe Bedada; Ayana Alebachew Muluneh; Biruktawit Lelisa Eticha; Geleta Nenko Dube; Gelgelo Wodessa; Muluken Belachew Mengistie (PLoS ONE, 2026)