Fig. 3

Practice of key behaviors composing the ‘ideal family’ and ‘clean kitchen’ indicators. a ‘Ideal family’ indicators. b ‘Clean kitchen’ indicators. Practice of ‘ideal family’ and ‘clean kitchen’ behaviors (in % of households) were assessed over three observation rounds, ranging from never practiced (lightest grey) to always practiced (darkest grey). This graph only shows households that could be observed for ‘ideal family’ and ‘clean kitchen’ indicators during all three observation rounds (n = 1022), households with less than 3 observation rounds were excluded (missing values: 253)