Table 2.

Summary of data collection – location, method, timing and topic

Research Visit	Recruitment	6 month	9  montha	12 month	12 monthb	15 montha	18 month
Location	Home	Health Facility	Health Facility	Health Facility	Home	Health Facility	Health Facility
		Randomized intervention begins					Randomized intervention ends
Data Collected
Household composition, socioeconomic status	I						I
WASH practices	I/O				I/O		I/O
Exposure to CHW education; infant morbidity	I	I	I	I		I	I
Access to health care	HC	HC	HC	HC	HC	HC	HC
Household food security and maternal dietary diversity		I		I			I
UNICEF/WHO feeding indicators; Porridge- specific feeding practice		I	I	I		I	I
Adherence to intervention (intervention group only)			I	I	I/O	I	I
24 h recall					I
Food collection					I
Anthropometry (length, weight, MUAC, head circumference)		M		M			M
Blood		T		T			T
Urine		T	T	T		T	T

HC Health Card, I Interview, M Measurement, O Observation, T Test, ^aCohort only, ^bCohort sub-set