Table 3 Ranking of attributes by participants

MD at district hospital

Thai Binh

F

1

2

3

4

5

6

Lao Cai

M

2

1

3

MD at district centre for preventive medicine

Thai Binh

M

1

2

3

4

5

6

Lao Cai

M

3

2

4

5

1

6

MD at commune health centre

Thai Binh

M

1

2

3

4

5

Lao Cai

M

1

3

2

4

MD who had left from public to private

Thai Binh

M

1

3

4

2

5

Lao Cai

None

MD who had left from lower to higher levels

Thai Binh

M

5

3

4

2

1

6

Lao Cai

F

1

2

3

4

MD who had left from preventive to curative care

Thai Binh

M

5

3

4

2

1

6

Lao Cai

M

1

3

4

2

5

Final year students at medical schools

Thai Binh

2 M and 3 F

1

2

4

5

3

6

Thai Nguyen

8 M

2 F

3

1

2