Table 2.

When participants felt the situation was serious.

Events	Participants (N=8158), n
Announcement of first death of patients with COVID-19 on January 13, 2020	561
Announcement of COVID-19 transmission among humans on January 19, 2020	3182
Lockdown of Wuhan City on January 23, 2020	2354
Activation of the public emergency responding scheme by local government on January 24, 2020	1562
Strict lockdown of neighborhood after January 24, 2020	377
Other critical events	113
Never felt it was serious	9