Table 3 Impact of sociodemographic factors on perceived stress ( N = 488)

Employment status

24.47

<0.01

 Unemployment

184

104

56.52

 Employment

263

91

34.60

 Retired

41

12

29.27

Age (years)

17.77

<0.01

 ≤29

221

116

52.49

 30-49

187

65

34.76

 ≥50

80

25

31.25

Gender

8.51

<0.01

 Male

192

97

50.52

 Female

296

110

37.16

Marital status

9.13

<0.01

 Married

244

87

35.65

 Single

244

120

49.18

Income per month (RMB)

16.08

<0.01

 ≤1999

157

86

54.78

 2000-4999

84

33

39.29

 5000-9999

103

41

39.81

 ≥10000

144

47

32.64

Education level

1.07

>0.05

 High school or below

83

31

37.35

 Undergraduate

211

91

43.13

 Postgraduate

194

85

43.81

Occupation

8.56

>0.05

 Engineer or technique

52

24

46.15

 Business or IT

98

43

43.88

 Medicine or education

209

99

47.37

 Administer

26

9

34.62

 Agriculture or forestry

103

32

31.07

Location of residence

1.96

>0.05

 High risk area

243

97

39.92

 Medium risk area

142

67

47.18

 Low risk area

103

43

41.75

Nucleic acid test

0.001

>0.05

 Positive

14

6

42.86

 Negative

474

201

42.41

COVID-19 knowledge

2.39

>0.05

 No or little

274

110

40.15

 Some

172

75

43.60

 Very knowledgeable

42

22

52.38

Vaccinated

0.25

>0.05

 Yes

459

196

42.70

 Not yet

29

11

37.93

Quarantine (days)

7.19

>0.05

 ≤9

20

12

0.60

 10-19

49

27

55.10

 20-29

201

77

38.31

 ≥30

218

91

41.70