A recent report examined how people in the United States used at-home rapid COVID-19 antigen tests. The report compared test use during two different time periods: when the Delta variant was most common and when the Omicron variant became predominant. The report did not provide specific numbers about how many people were studied or exactly how much test use changed.
The main finding was that the use of at-home COVID-19 tests increased between the Delta and Omicron periods. The report did not measure safety concerns related to the tests themselves, as it focused on how often people were using them rather than the tests' effects.
It's important to understand that this is an observational report, not a controlled scientific study. The report did not include statistical measures like sample sizes or confidence intervals, which means we cannot determine how large the increase was or how representative the data is of the entire U.S. population.
Readers should view this as a simple report noting a pattern, not as proof of what caused the change. Many factors could have influenced test use during these periods, including test availability, public health guidance, and personal concern about different variants. The report provides a basic observation but doesn't offer strong evidence about why the change happened.