Table 1 Demographic characteristics of the 289 participants

Gender

Male

188

65.1

Female

101

34.9

Age

< 35 years old

146

50.5

35 ∼ 44 years old

104

36.0

> 45 years old

39

13.5

Education level

Junior college or below

18

6.2

Bachelor

154

53.3

Master or above

117

40.5

Professional title

Junior

105

36.3

Intermediate

116

40.1

Senior

68

23.6

Years in practice

<5 years

72

24.9

5 ∼ 10 years

93

32.2

11 ∼ 20 years

88

30.4

21 ∼ 30 years

30

10.4

>30 years

6

2.1

Level of the medical institution

Leading hospital

142

49.1

Subordinate hospital

147

50.9