Table 3 Marginal effect of the factors associated with the frequency of ANC visits among women of reproductive age in Benin, West Africa, BDHS 2017–2018

 Tertile 1 (least disadvantaged)

0.11

0.07–0.15

< 0.001*

 Tertile 2

0.07

0.04–0.11

< 0.001*

 Tertile 3 (most disadvantaged)

0.05

0.01–0.09

0.018*

 Low

0.03

0.00–0.05

0.039*

 Medium

0.10

0.05–0.14

< 0.001*

 High

0.11

0.07–0.15

< 0.001*

Decision-making power

 Low

0.08

0.04–0.12

< 0.001*

 Medium

0.09

0.06–0.12

< 0.001*

 High

0.08

0.04–0.13

0.001*

 < 18

0.08

0.04–0.13

< 0.001*

 18–24

0.08

0.05–0.11

< 0.001*

 > 24

0.10

0.04–0.17

0.002*

 Monogyny

0.09

0.06–0.12

< 0.001*

 Polygyny

0.07

0.03–0.11

< 0.001*

 Early booking (within 1st trimester)

0.13

0.10–0.17

< 0.001*

 Late booking (after 1st trimester)

0.01

− 0.01–0.02

0.315

 First birth

0.10

0.04–0.16

0.001*

 < 24 months

0.02

− 0.02–0.05

0.310

 24–36 months

0.09

0.05–0.12

< 0.001*

 > 36 months

0.10

0.06–0.13

< 0.001*

Religion

 Christianity

0.09

0.07–0.12

< 0.001*

 Islam

0.06

0.02–0.10

0.004*

 Traditional and others

0.08

0.02–0.14

0.010*

 Not covered

0.08

0.06–0.10

< 0.001*

 Covered

0.16

0.02–0.30

0.029*