Summary of the estimation methods for the cross-sectional models in rural and other urban areas of Kaduna and Oyo States. Individual exposure model: Diffusion-related variables are the individual’s recall of program variables with no correction for recall or acquiescent bias. Community exposure model: Diffusion-related variables are community averages excluding the target individual. The method corrects for bias at the individual level but not at the community level. Correlated random-effects model: Diffusion-related variables are the individual’s recall of program variables with a correction for recall or acquiescent bias at the community level but not at the individual level.