期刊
JOURNAL OF WATER SANITATION AND HYGIENE FOR DEVELOPMENT
卷 5, 期 3, 页码 412-425出版社
IWA PUBLISHING
DOI: 10.2166/washdev.2015.149
关键词
adoption; arborloo; ecological sanitation; Ethiopia; latrine; sustainability
In rural Ethiopia, only 19% of the population has access to improved sanitation, which has no doubt contributed to high levels of diarrhea, trachoma, and helminth infection. Low-cost sanitation options are needed in Ethiopia, but few studies have assessed their effectiveness and sustainability. The composting arborloo is one such option. Catholic Relief Services (CRS) has promoted the arborloo since 2004. Eighty thousand Ethiopian households have constructed arborloos with their assistance. We assessed the arborloo's adoption and sustainability in 20 communities that received arborloo promotion. We surveyed 690 households and conducted 24 key informant and 33 in-depth interviews. Over two-thirds [462 (67.0%)] of surveyed households constructed an arborloo; 352 (76.2%) sustained use and 65 (14.1%) moved to a more permanent latrine. There is a clear role for the arborloo in rural Ethiopia to increase the rate of sanitation adoption, sustainability, and movement up the sanitation ladder. We found no evidence that sustainability differed by arborloo age or socioeconomic status. Sustainability was most strongly associated with use of the arborloo pit for planting and a cement slab. Slab subsidy discontinuation after 2012 may negatively impact sustainability. However, CRS sanitation marketing could increase slab access, maintain sustainability rates, and decrease reliance on programing for sanitation solutions.
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