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COVIDTests.gov Test Kits Associated With Expanded SARS-CoV-2 Testing Among Recipients
Jenna Sanborn1, McKaylee Robertson1, Denis Nash1
1Jenna Sanborn, McKaylee Robertson, Denis Nash, Avantika Srivastava, and Zachary Shahn are with the Institute for Implementation Science in Population Health and the Department of Epidemiology and Biostatistics, Graduate School of Public Health and Health Policy, City University of New York, New York, NY. Kate Penrose is with the Institute for Implementation Science in Population Health, Graduate School of Public Health and Health Policy, City University of New York. Angela Parcesepe is with the Department of Maternal and Child Health, Gillings School of Global Public Health, and the Carolina Population Center, University of North Carolina at Chapel Hill.
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Using data from 4549 US adults in a national cohort and a difference-in-differences design, we estimated the average treatment effect on the treated to assess whether receiving tests from COVIDTests.gov-a free, direct-to-household program launched in January 2022-increased testing for severe acute respiratory syndrome coronavirus 2. Receiving tests was associated with a 13.8-percentage-point testing increase in March 2022 (95% confidence interval = 3.3, 24.2), the only estimate robust to pretrend sensitivity adjustments, with later effects attenuating. Participation was lower among groups with greater health risks and access barriers. (Am J Public Health. Published online ahead of print August 20, 2026:e1-e5. https://doi.org/10.2105/AJPH.2026.308527).
