Table 2 Results of the logistic multilevel regression estimates

 BF uptake

0.932***

0.872***

0.979***

0.930**

1.012

[0.924-0.941]

[0.848-0.897]

[0.971-0.986]

[0.887-0.975]

[0.982-1.042]

  Q1 (Lowest)

(reference)

(reference)

(reference)

(reference)

(reference)

  Q2

0.919***

0.849***

0.936***

0.892*

0.810***

[0.894-0.944]

[0.799-0.903]

[0.910-0.962]

[0.807-0.985]

[0.747-0.879]

  Q3

0.831***

0.738***

0.922***

0.885*

0.716***

[0.807-0.854]

[0.691-0.790]

[0.897-0.949]

[0.795-0.986]

[0.657-0.780]

  Q4

0.741***

0.695***

0.932***

0.92

0.686***

[0.719-0.765]

[0.645-0.749]

[0.904-0.961]

[0.814-1.034]

[0.623-0.754]

  Q5 (Highest)

0.690***

0.707***

0.946***

0.956

0.617***

[0.668-0.713]

[0.653-0.765]

[0.916-0.976]

[0.843-1.084]

[0.558-0.681]

  Q1 (Richest)

(reference)

(reference)

(reference)

(reference)

(reference)

  Q2

1.005

0.947**

0.996

0.946

0.979

[0.993-1.017]

[0.913-0.982]

[0.986-1.007]

[0.884-1.011]

[0.943-1.016]

  Q3

0.993

0.936**

0.979**

0.927*

0.956*

[0.980-1.005]

[0.898-0.975]

[0.967-0.990]

[0.872-0.986]

[0.917-0.996]

  Q4

0.995

0.900***

0.980**

0.879**

0.978

[0.982-1.009]

[0.866-0.935]

[0.969-0.991]

[0.816-0.947]

[0.940-1.019]

  Q5 (Poorest)

0.996

0.860***

0.986*

0.873**

0.947*

[0.982-1.010]

[0.824-0.897]

[0.974-0.998]

[0.803-0.949]

[0.904-0.993]

  No education

(reference)

(reference)

(reference)

(reference)

(reference)

  Literacy

0.947*

1.053

0.957*

1.098

0.898

[0.902-0.994]

[0.902-1.229]

[0.925-0.991]

[0.903-1.334]

[0.756-1.068]

  Until 5th grade

0.946***

0.955

0.951***

0.921

0.979

[0.929-0.963]

[0.905-1.007]

[0.933-0.969]

[0.839-1.010]

[0.921-1.040]

  Until 9th grade

0.882***

0.968

0.860***

0.828***

0.972

[0.867-0.899]

[0.916-1.023]

[0.845-0.875]

[0.757-0.906]

[0.916-1.031]

  Secondary or more

0.830***

1.021

0.819***

0.821***

0.97

[0.814-0.847]

[0.961-1.084]

[0.804-0.835]

[0.751-0.898]

[0.911-1.032]

  10-19

(reference)

(reference)

(reference)

(reference)

(reference)

  20-29

0.900***

0.936***

0.776***

0.682***

0.999

[0.891-0.910]

[0.906-0.967]

[0.769-0.783]

[0.649-0.717]

[0.965-1.033]

  29-39

1.071***

1.268***

0.853***

0.706***

1.122***

[1.059-1.084]

[1.221-1.317]

[0.843-0.862]

[0.664-0.751]

[1.079-1.168]

  40 plus

1.515***

1.745***

1.121***

0.948

1.724***

[1.483-1.547]

[1.640-1.856]

[1.101-1.142]

[0.850-1.058]

[1.616-1.839]

  Single

(reference)

(reference)

(reference)

(reference)

(reference)

  Married

0.934***

0.955***

0.970***

0.795***

1.016

[0.927-0.941]

[0.935-0.977]

[0.964-0.976]

[0.765-0.826]

[0.992-1.041]

  Widowed

0.975

0.897

0.992

0.991

1.334*

[0.900-1.056]

[0.704-1.144]

[0.928-1.060]

[0.656-1.497]

[1.068-1.666]

  Divorced

0.997

1.007

1.027

0.84

1.119*

[0.961-1.034]

[0.907-1.117]

[0.995-1.060]

[0.677-1.043]

[1.003-1.249]

 Female

1.282***

1.157***

0.936***

1.033

0.730***

[1.274-1.291]

[1.134-1.182]

[0.931-0.942]

[0.994-1.073]

[0.714-0.747]

  White

(reference)

(reference)

(reference)

(reference)

(reference)

  Black

1.186***

1.175***

1.116***

1.316***

0.985

[1.165-1.208]

[1.114-1.240]

[1.099-1.134]

[1.198-1.445]

[0.928-1.047]

  Yellow

1.077**

1.137

1.048*

0.96

1.024

[1.029-1.128]

[0.994-1.302]

[1.009-1.088]

[0.745-1.237]

[0.882-1.189]

  Brown

1.065***

1.037**

1.055***

1.135***

0.934***

[1.056-1.074]

[1.012-1.063]

[1.047-1.062]

[1.085-1.187]

[0.910-0.959]

  Indigenous

0.968

0.715***

1.347***

0.831

0.907

[0.923-1.014]

[0.611-0.837]

[1.303-1.393]

[0.653-1.058]

[0.774-1.063]

 Rural

0.96

0.973

0.962***

0.965

1.014

[0.949-0.971]

[0.939-1.008]

[0.953-0.971]

[0.902-1.031]

[0.975-1.054]

  Single

(reference)

(reference)

(reference)

(reference)

(reference)

  Double

17.763***

9.626***

8.262***

5.781***

1.257***

[17.497-18.032]

[9.315-9.948]

[8.136-8.390]

[5.390-6.199]

[1.158-1.365]

  Triple

63.925***

52.974***

31.134***

19.187***

1.188

[55.563-73.544]

[46.631-60.181]

[27.280-35.532]

[14.457-25.466]

[0.637-2.215]

 First pregnancy

1.581***

1.652***

1.041***

1.056*

1.230***

[1.565-1.596]

[1.601-1.704]

[1.031-1.051]

[1.006-1.109]

[1.194-1.267]

 Previous fetal loss

1.371***

1.629***

1.120***

1.270***

1.155***

[1.358-1.384]

[1.585-1.675]

[1.110-1.130]

[1.211-1.332]

[1.120-1.192]

  Hospital

(reference)

(reference)

(reference)

(reference)

(reference)

  Other health establishment

0.672***

0.542***

0.861***

0.958

1.11

[0.641-0.704]

[0.460-0.639]

[0.829-0.894]

[0.782-1.176]

[0.974-1.266]

  Home

1.686***

2.274***

1.777***

2.795***

0.846*

[1.628-1.746]

[2.055-2.515]

[1.723-1.833]

[2.377-3.287]

[0.727-0.984]

  Other

3.317***

3.798***

2.210***

3.822***

1.422**

[3.115-3.533]

[3.242-4.449]

[2.092-2.335]

[2.987-4.892]

[1.104-1.828]

  N

5246874

5246874

5246874

5246874

5246874