Table 1. The lag days and correlation analysis of the six indicators of Google Mobility Trends relative to the number of daily new cases of COVID-19.

The categories of Google Mobility Trends	Lag days	r	P
Supermarket and pharmacy	1	0.351	<0.001
Residential	14	0.487	<0.001
Retail and recreation	14	−0.620	<0.001
Workplace	14	−0.604	<0.001
Park	11	−0.544	<0.001
Public transport	14	−0.392	<0.001