Table 1 Demographic characteristics of the total sample (N = 2394) from Hubei, China during the normalization stage of COVID-19 epidemic prevention and control

Gender

 Male

1029

43.0

 Female

1365

57.0

Age

 < 20

1383

57.8

 20–25

981

41.0

 26–30

24

1.0

 > 30

6

0.2

Race

 Ethnic Han

2194

91.6

 Ethnic minority

200

8.4

Grade

 Freshman

823

34.4

 Sophomore

742

31.0

 Junior

495

20.7

 Senior

334

13.9

School type

 Undergraduate college

1609

67.2

 Higher vocational college

785

32.8