Table 1 Participants’ demographic characteristics (n = 782)

Gender

 Male

45

5.75

 Female

737

94.25

Age(year)

 < 25

14

1.79

 25–30

180

23.02

 31–40

463

59.21

 41–50

99

12.66

 > 50

26

3.32

Working years

 < 5

207

26.47

 5–10

353

45.14

 11–15

186

23.79

 > 15

36

4.60

Professional titles

 Primary

412

52.69

 Intermediate

338

43.22

 Senior

32

4.09

Education

 Junior college

53

6.78

 Undergraduate

698

89.26

 Graduate

31

3.96

Marital status

 Married

517

66.11

 Unmarried

206

26.34

 Divorced/widowed

59

7.54

Employment form

 Contract

599

76.60

 Staff

183

23.40

Departments

 Internal medicine

356

45.52

 Surgery

227

29.02

 Gynecology

52

6.65

 Pediatrics

44

5.63

 Emergency

57

7.29

 ICU

46

5.88