Figure 1.

Flowchart of study participants’ progress through the phases of the trial.

Index child is a child born to an enrolled pregnant woman, including twins. Index household refers to a household where an index child in the birth cohort lived. Index household child is an older child living in the index household who is not the index child. Other household child is a child who does not live in the index household but lives in the shared compound. Abbreviations: HH, household; N+WSH, combined nutrition, water treatment, sanitation, and handwashing.