Coverage of IEC activities.

*1: Chi-square test or Fisher's exact test. *2: Logistic regression analysis. *3: Independent-sample t-test. *4: Hierarchical multiple regression analysis. Adjusted for caregiver type, age, occupation, and education level; number of people in household; refrigerator possession; number of children under five years; child's birth order, age and sex; WTF water access level; and main water source for drinking, cooking, food preparation, and laundry and bathing.