Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percent changes of self-reported COVID-19 cases associated with every one standard deviation increase from mean value of each explanatory variable. All other explanatory variables are held at their mean arithmetic values. Error bars are 95% confidence intervals.
