Fig. 4From: Perception of affordable diet is associated with pre-school children’s diet diversity in Addis Ababa, Ethiopia: the EAT Addis surveyVisualization of the two-way interaction between afford-DD and maternal educational level on the outcome child dietary diversity. The results are derived by fitting a mixed-effect linear regression model to the data that accounts for data clustering, and by including afford-DD and maternal educational levels as fixed predictors, including their interactionBack to article page