Table 1.

Description of variables entered into multivariate models.

Variable name	Questionnaire/study design definition	Categories
Independent measures
AMR risk models
Adult_child	Participant is a child or an adult	0-Child 1-Adult
Rural_urban	Sample is from rural or urban community	0-Rural 1-Urban
Diarrhea	A binary variable indicating whether the household reported diarrhea in the past 14 days (phase 1) and/or diarrhea between study periods (phase 2)	0 = No 1 = Yes
Boiled milk	Whether the household boiled milk before consuming	0 = No 1 = Yes

	Scaled variable	Scale range
Antibiotic use scale	Created by summing three question categories 1) ever used antibiotics; 2) antibiotics used in last 14 days (phase 1); 3) antibiotics used between study phases. A smaller number of individuals answered yes to all study questions, so the scale was collapsed into three categories (0, 1, 2) with Level (0) = No to all three questions Level (1) = Yes to one of the three questions Level (2) = Yes to two or more of the questions	Scale 0–2
Household hygiene scale	A linear scale indicating increasing levels of household sanitation including whether feces were present on floor (reverse-coded), whether the floor was dirt (reverse-coded), whether the household had a clothes washer, an improved toilet, a private toilet, whether river water was used in household (reverse coded), ownership of animals (reverse coded), whether protozoa were detected in fecal samples (reverse-coded) and whether trash was disposed in an appropriate location	Scale 1–9