FHFS behaviors.

*1: Chi-square test or Fisher's exact test.*2: Logistic regression analysis.*3: Excluded from the FHFS score because none of the caregivers reported wrong cooked food storage behavior at the 2nd evaluation.*4: Excluded from the FHFS score because none of the caregivers reported wrong raw food storage at baseline and at the 2nd evaluation.*5: Excluded from the FHFS score because we did not measure this indicator in the baseline survey.*6: Independent-sample t-test.*7: 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.