Data collection
HFI, ’
Household consent (3‐month) visits began in September 2018, with 6‐month visits and intervention delivery beginning in January 2019. Household 12‐month visits were scheduled through April 2020 but suspended at the onset of COVID‐19 in March 2020. For the remaining cases, field workers collected data over the telephone. Field interviewers visited households when infants reached approximately 6, 9 and 12 months of age to administer a questionnaire to the primary caregiver and measure infant size. Household food insecurity (HFI) was measured at the 6‐month visit using a nine‐item questionnaire (Na et al., Household poultry, livestock and fishpond ownership was measured at 12 months. The interviewer first asked the respondent if the household had owned any of the following in the past 6 months: (1) chickens, (2) ducks, (3) cows or water buffalo, (4) goats or sheep, or (5) fishponds. For each item, if the respondent answered yes, the interviewer proceeded by asking, ‘In the past 30 days, that is since (today's date) of (last month) until last night how many [animal type/fishponds] have been in your household?’ The interviewer also asked if the animals and fishponds were male‐owned, female‐owned, or male and female co‐owned. To collect data on the production and utilisation of animal products, the respondent was asked to specify the number of live animals sold and the amount of animal products (e.g., eggs, milk) produced, consumed and sold by the household in the past month. Maternal decision‐making related to food and health was assessed at the 12‐month visit using an eight‐question module that had been previously developed and implemented in the study area. The interviewer asked the respondent how often she was able to decide to buy: (1) small amounts of food like rice, vegetables, 