Fig 2. Design of the STAR stepped wedge cluster randomized trial and enrollment by village and period.

The study began enrollment on November 1, 2021 and ended enrollment on May 12, 2022 with each period lasting approximately 1 month. The number of days in each period is in parentheses below the period number (please see S2 Fig for exact period switch dates). Yellow blocks represent control periods; blue blocks are intervention periods. The number shown within the blocks is the total number of participants enrolled for each village and period.