The researchers walked through the streets of the randomly selected census tracts, and households were approached sequentially without revisiting closed households.
From then on, data collection was initiated and occurred during the COVID-19 pandemic period. Safety measures were implemented to minimize data collection risks during the pandemic, such as vaccinating the research team (at least two doses), using hand sanitizer during interviews, and wearing face masks and gowns. The researchers walked through the streets of the randomly selected census tracts, and households were approached sequentially without revisiting closed households. One or more individuals could be interviewed in the same household. Additionally, all researchers were accompanied by community health workers who supported the data collection phase.