Skip to main content
. 2021 Oct 25;4(10):e2130783. doi: 10.1001/jamanetworkopen.2021.30783

Table. Summary Statistics of New Daily COVID-19 Infections Before and After March Madness in Participating vs Nonparticipating Counties.

Period Infections per 100 000 residents, median (IQR), No.a
Nonparticipating counties (n = 2520) Participating counties (n = 61)
Before tournamentb 14.2 (0.0-29.7) 19.2 (10.9-32.7)
After tournamentc 6.6 (0.0-16.3) 9.9 (4.1-17.0)
a

Table displays unadjusted medians and IQR of new daily county-level COVID-19 infections per 100 000 residents between counties with a university participating in the NCAA Men’s Division I Basketball Tournament (March Madness) and counties not participating in the tournament from January 28, 2021, to May 25, 2021.

b

The period before the tournament is defined as January 28, 2021, to March 17, 2021.

c

The period after the tournament is defined as after April 6, 2021, to May 25, 2021.