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Table 2 Summary of primary and secondary outcomes for the ecological study of the SYCT program

From: At-home testing to mitigate community transmission of SARS-CoV-2: protocol for a public health intervention with a nested prospective cohort study

Outcome Measures Endpoints Data source Unit of observation Frequency of data collection Maximum geographic granularity
Primary
 SARS-CoV-2 test results Community prevalence point estimate and 95% confidence interval; community incidence rate Local health departments County Daily County
Secondary
 SARS-CoV-2 viral copies per liter Community transmission Wastewater Wastewater treatment plant sewer shed Twice weekly Wastewater treatment plant sewer shed
 Number of new hospitalizations for COVID-19 disease per day Hospitalizations Local health departments County Daily Center
 Hospital census Hospital capacity/Health care utilization Local health departments County Daily County/ Healthcare center
 GPS location and length of stay; requests for driving directions; requests for walking directions Mobility Mobile phones (Google and Apple Maps) County Daily City
 SARS-CoV-2-positive patients admitted to the ICU Number of ICU admissions Local health department Individual Daily Health care Center
  1. Abbreviation: ICU Intensive Care Unit