Table 1. Demographic characteristics (n=3,001).

Variables	n (%)
Gender
Male	833 (27.8)
Female	2,168 (72.2)
Age, years
<18	431 (14.4)
18–64	2,552 (85.0)
≥65	18 (0.6)
Nation
Han nationality	2,910 (97.0)
Minority nationality	91 (3.0)
Marital status
Unmarried	893 (29.8)
Married	1,990 (66.3)
Divorced	100 (3.3)
Widowed	18 (0.6)
Education level
Elementary school or less	133 (4.5)
Middle school and High school	1,063 (35.4)
Professional education	715 (23.8)
Undergraduate or more	1,090 (36.3)
Domicile
Urban	1,783 (59.4)
Rural	1,218 (40.6)
Occupation
Medical personnel	689 (23.0)
Others	2,312 (77.0)
Chronic illness
Yes	262 (8.7)
No	2,739 (91.3)
The frequency of going out
Never	989 (33.0)
1 to 6 times	1,768 (58.9)
≥7 times	244 (8.1)
Working status
Return to work	980 (32.7)
Wait for work at home	1,382 (46.1)
Home quarantine	270 (9.0)
Others	369 (12.3)
Dwelling status
Living alone	939 (31.3)
Living with others	2,062 (68.7)
The approach of achieving knowledge about COVID-19
TV News	2,765 (92.1)
WeChat	2,665 (88.8)
Community	2,347 (78.2)
Web page	2,271 (75.7)
Other APP	2,222 (74.0)
Newspaper	627 (20.9)
Others	279 (9.3)