- Compound/homesteads are eligible to participate if it has an adult who is a participant in the parent study, Households within the compound/homesteads are eligible if it has (1) a resident related to the adult participant in the parent study, (2) >1 child(ren) 6- to 36-months old, (3) the child(ren) have a parent/primary guardian age >18 years old who resides in the compound/homestead, (4) the caregiver intends to stay in the study area for the next 24 months with the child.