Table 1 Basic data of the study subjects

sex

Male

6

2.5

13

5.9

Female

238

97.5

207

94.1

age

≤30

84

34.4

82

37.3

31-40

122

50.0

117

53.2

41-50

23

9.4

12

5.5

≥50

15

6.1

9

4.1

grade of medical institution

Tertiary hospital

240

98.4

137

62.3

Secondary hospital

2

0.8

32

14.5

Level hospital

1

0.4

46

20.9

Network service platform

1

0.4

5

2.3

working life

≤5

81

33.2

60

27.3

6-10

64

26.2

83

37.7

11-20

87

35.7

67

30.5

≥21

12

4.9

10

4.5

positional title

Nurse

50

20.5

50

22.7

Primary nurse

75

30.7

54

24.5

Nurse-in-charge

103

42.2

108

49.1

Deputy chief nurse and above

16

6.6

8

3.7

degree of education

Polytechnic schoosecondary

1

0.6

3

1.4

Junior college

13

5.4

34

15.5

Undergraduate course

226

92.6

175

79.5

Master’s degree or above

4

1.6

8

3.6

marital cstatus

Unmarried

74

30.3

56

25.4

Married

167

68.5

160

72.7

Dissociaton

2

0.8

3

1.4

Bereft of one’s spouse

1

0.4

1

0.5

profession categoryal

Internal medicine

138

56.6

113

51.4

Surgery

58

23.8

49

22.3

Emergency call

3

1.2

25

11.4

Operating room

5

2.0

1

0.5

Custody room

1

0.4

3

1.4

Traditional Chinese medicine

36

14.8

9

4.1

Community branch

3

1.2

20

9.1