Table 1 Demographic characteristics of participating residents in China and Hong Kong

Number

50

20

Gender (male: female)

16: 34

3:17

0.23^*

Age (years, mean ± SD)

30.1 ± 2.9

28.9 ± 2.5

0.15^**

Years of training (years, mean ± SD)

2.8 ± 1.5

3.4 ± 1.6

0.19^*

Years of training (N, %)

 Year 1

14 (28.0)

3 (15.0)

0.30^*

 Year 2

9 (18.0)

3 (15.0)

 Year 3

8 (16.0)

6 (30.0)

 Year 4

11 (22.0)

2 (10.0)

 Year 5

7 (14.0)

4 (20.0)

 Year 6

1 (2.0)

2 (10.0)

Highest educational degree (N, %)

 Bachelor

10 (20)

17 (85.0)

<0.0001^*

 Masters or PhD (No., %)

40 (80.0)

3 (15.0)

Hospital

 Hong Kong 1

9

 Hong Kong 2

11

 China 1

6

 China 2

10

 China 3

13

 China 4

12

 China 5

9