Table 1 Characteristics of survey respondents before PSM

Gender

 Male

101 (47.60)

121 (47.50)

 Female

111 (52.40)

134 (52.50)

Age (mean ± SD)

38.85 ± 8.71

37.76 ± 9.14

Region

 East China

166 (78.30)

220 (86.30)

 Middle China

23 (10.80)

10 (3.90)

 West China

16 (7.50)

19 (7.50)

 Northeast China

4 (1.90)

4 (1.60)

 Others^a

3 (1.40)

2 (0.80)

Years of work experience (mean ± SD)

10.61 ± 6.50

7.92 ± 7.16

Educational background

 Medicine

110 (51.90)

147 (57.60)

 Management

73 (34.40)

18 (7.10)

 Economics

18 (8.50)

66 (25.90)

 Others^b

11 (5.20)

24 (9.40)

Highest degree obtained

 Doctoral

11 (5.20)

3 (1.20)

 Master

39 (18.40)

23 (9.00)

 Bachelor

100 (47.20)

123 (48.20)

 Below bachelor

62 (29.20)

106 (41.60)

Profession

 Policy maker

33 (15.60)

52 (20.40)

 Researcher

153 (72.20)

135 (52.90)

 Industry-provider

26 (12.30)

68 (26.70)