Independent variable

Knowledge

p

Good

Poor

Experience ≥ 10 years

Yes

30

25

0.4738

No

21

17

Health center

First level

24

23

0.3640

Second level

19

10

Third level

8

9

Activity’s sector

Prenatal consultation

23

16

0.5867

Delivery

21

17

Hospitalization

7

9

Education level

Primary

9

12

0.129

Secondary

20

20

Higher

22

10