Of the 2117 households in the ATONU sample, 262 households without chickens at baseline were excluded from the analysis. We further restricted the sample to the 973 households in the Oromia (n = 500) and Amhara (n = 473) regions in order for the quantitative results to be representative of the qualitative sample. For analyses that focused on the cleanliness of the index child’s hands, the sample was limited to the households that enrolled an index child between the ages of 0–36 months at baseline (n = 431).
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