Table 2. Summary of variables measured in surveys.

		Baseline	Birth	3 months	6 months	12 months	18 months	24 months
Household characteristics	Household construction materials	X			X	X	X	X
	Household census	X			X	X	X	X
	Household assets	X			X	X	X	X
	Parental education and employment	X			X			X
	WASH infrastructure and practices	X			X	X	X	X
	Animal ownership and husbandry	X			X	X	X	X
	Animal presence in the home	X			X	X	X	X
	Human and animal faeces in the home	X			X	X	X	X
Perinatal outcomes	Prenatal and birth outcomes		X
Anthropometry	Length, weight, head circumference	X	X	X	X	X	X	X
Illness symptoms	Child illness symptoms (eg, diarrhoea)	X			X	X	X	X
Flooring	Floor durability assessment	X			X	X	X	X
	Floor hygiene and maintenance	X			X	X	X	X
Child activities	Child motor skills				X	X	X	X
	Child cognitive development					X		X
	Child feeding practices				X	X	X	X
	Child play locations				X	X	X	X
Maternal outcomes	Quality of life	X		X		X		X
	Satisfaction with housing	X			X	X	X	X
	Perceived Stress Scale	X		X		X
	Edinburgh Postnatal Depression Scale	X		X		X
	Maternal bandwidth				X		X
	Maternal time use			X		X
Flooding status	Household flooding status	X			X	X	X	X
Water, sanitation, handwashing	Water storage, latrine access, child faeces management, handwashing	X			X	X	X	X
Vaccination	Vaccination status of index child			X	X	X	X	X
Deworming and antimicrobials	Deworming status of household members	X			X	X	X	X
	Antimicrobial use of mother and index child	X			X	X	X	X
	Antimicrobial use in domestic animals	X			X	X	X	X
Food consumption	Animal milk consumption practices				X	X	X
Environmental sampling	Environmental sample collection				X	X	X	X

WASHwater, sanitation and hygiene