Table 1.

Questionnaire

Sociodemographic information
Age (years)
Tribe/ethnicity	1) Mbala
	2) Yansi
	3) Songo
	4) Hungana
	5) Humbu
	6) Other
Education	0) No formal education
	1) Attended primary school, but no certificate
	2) Six years of primary school
	3) Attended secondary school, but no diploma
	4) State diploma after 6 years of secondary school
	5) University
Marital status	1) Single
	2) Married
	3) Divorced
	4) Widowed
Type of marriage	1) Monogamous
	2) Polygamous
Obstetrical information
Gravida
	1) Primigravida
	2) Multigravida
Past abortion	Yes
	No
Pregnancy age (trimester)	First trimester
	Second trimester
	Third trimester
Past history of surgery	Yes/no
Blood transfusion	Yes/no
Knowledge
Ever heard of hepatitis B	Yes/no
If yes, what is the source of your information	1) Previous ANC
	2) Radio
	3) Church
	4) Health center/worker
	5) Newspaper
	6) Friend
	7) School
How does one catch HBV?	1) Sexual route
	2) Mother-to-child transmission
	3) Blood substance: injections
	4) Spiritual or witchcraft
	5) Do not know
When can our child become infected?	1) During pregnancy
	2) During childbirth
	3) During breastfeeding
Is there any way to prevent it?	1) Yes
	2) No
	3) Do not know
Have you ever undergone HBV serology?	Yes/no
If no, why?	1) I am afraid of knowing a positive result
	2) I am not at risk and I cannot have hepatitis
	3) I have never been offered testing before
	4) The result may be known by others
	5) My husband refuses this test
	6) No answer
If yes, what was the result? Which one?	1) Positive
	2) Negative
Hepatitis B serology result?	1) Negative
	2) Positive

HBV = hepatitis B.