Table 1.

Independent variables of the study and their levels

No	Variables	Levels
Demography
1	Year of DHS	2012, 2018
2	Age groups	15–18 years, 19–30 years, 31–40 years, 41–49 years
3	Administrative region	Conakry, Boké, Faranah, Kankan, Kindia, Labé, Mamou, N'Zérékoré
4	Level of education	No formal education, primary, secondary and university
5	Marital status	Single, married. Widow, divorced women and women in the separation were considered single
6	Parity	Primiparous (1 delivery), Multiparous (more than 1 deliveries)
7	Gender of head of household	Male, Female
8	Age of the head of household	16–25 years, 26–40 years, 41–60 years, 61–91 years
9	Relationships with the head of the household	We considered as a direct link any father/mother-daughter, Sister and husband-wife relationship. When the respondent was the head of the household, the link was direct. Otherwise, the link was indirect
10	Household size	The number of persons living in the household. It is divided into 2–4 people, 5–10 people, 11–38 people
11	Place of delivery	Domicile, private health structure, public health structure
12	Partner's level of education	No formal education, primary, secondary and university
13	Desire for pregnancy	Yes, no
Socio-economics
14	Wealth Index	Poor, middle and richer. The poorest and poorer were classified as poorer, the richer and richest as richer
15	Occupation	Yes, no
Information
16	Journal	Access, no access
17	Radio	Access, no access
18	Television	Access, no access
Health Care use
19	Antenatal care (ANC)	Less than 4 ACNs, 4 ACNs and More
20	Time of the first ANC	The first quarter, the second quarter, the third quarter