Table 1 Distribution of maternal and child characteristics according to maternal race / skin color, 2008–2017

Birthweight, kg

<  2.5 kg

46,393

3.68

598

3.84

6729

4.63

95,589

3.63

1461

4.05

150,770

≥ 2.5 kg

1,215,893

96.32

14,977

96.16

138,462

95.37

2,535,516

96.37

34,653

95.95

3,939,501

Missing

–

–

–

–

–

–

Child’s gender

Male

616,678

48.85

7771

49.89

73.437

50.58

1,315,759

50.01

17,846

49.42

2,031,491

Female

645,608

51.15

7804

50.11

71,754

49.42

1,315,346

49.99

18,268

50.58

2,058,780

Missing

–

–

–

–

–

–

Mother’s age, years

10 to 13

1802

0.14

18

0.12

252

0.17

4699

0.18

116

0.32

6887

14 to 19

241,400

19.12

3221

20.68

26,988

18.59

528,369

20.08

8307

23.00

808,285

20 to 34

893,614

70.79

11,017

70.74

103,308

71.15

1,873,715

71.21

24,230

67.09

2,905,884

35 to 50

125,426

9.94

1318

8.46

14,632

10.08

224,201

8.52

3455

9.57

369,032

Missing

44

0.00

1

0.01

11

0.01

121

0.00

6

0.02

183

Mother’s marital status

Married, stable union

17,126

1.36

225

1.44

2133

1.47

39,186

1.49

715

1.98

59,385

Single

664,798

52.67

7792

50.03

93,570

64.45

1,462,749

55.59

16,737

46.34

2,245,646

Divorced, widow

562,459

44.56

7444

47.79

48,238

33.22

1,111,178

42.23

18,576

51.44

1,747,895

Missing

17,903

1.42

114

0.73

1250

0.86

17,992

0.68

86

0.24

37,345

Mother’s years of education

3 years or less

110,423

8.75

1522

9.77

19,982

13.76

348,072

13.23

9940

27.52

489,939

4–7 years

448,705

35.55

5340

34.29

57,263

39.44

972,128

36.95

13,529

37.46

1,496,965

8 years or more

683,650

54.16

8376

53.78

64,908

44.71

1,259,488

47.87

11,647

32.25

2,028,069

Missing

19,508

1.55

337

2.16

3038

2.09

51,417

1.95

998

2.76

75,298

Mode of delivery

Cesarean

588,231

46.60

6377

40.94

52,874

36.42

971,728

36.93

6311

17.48

1,625,521

Vaginal

672,947

53.31

9179

58.93

92,142

63.46

1,656,173

62.95

29,771

82.44

2,460,212

Missing

1108

0.09

19

0.12

175

0.12

3204

0.12

32

0.09

4538

Prenatal consultations

None

11,400

0.90

241

1.55

2806

1.93

41,535

1.58

1642

4.55

57,624

1 to 3

60,936

4.83

1162

7.46

13,145

9.05

227,280

8.64

7829

21.68

310,352

4 to 6

345,996

27.41

5424

34.83

52,332

36.04

1,008,509

38.33

14,884

41.21

1,427,145

7 or more

836,587

66.28

8646

55.51

75,561

52.04

1,335,183

50.75

11,281

31.24

2,267,258

Missing

7367

0.58

102

0.65

1347

0.93

18,598

0.71

478

1.32

27,892

Household overcrowding

≤2 inhabitants per room

1,132,136

89.69

13,762

88.36

123,705

85.20

2,232,229

84.84

20,584

57.00

3,522,416

> 2 inhabitants per room

61,694

4.89

817

5.25

11,687

8.05

197,927

7.52

10,849

30.04

282,974

Missing

68,456

5.42

996

6.39

9799

6.75

200,949

7.64

4681

12.96

284,881

Rural / Urban area of residence

Rural

289,259

22.92

4436

28.48

33,382

22.99

826,070

31.40

26,302

72.83

1,179,449

Urban

973,002

77.08

11,139

71.52

111,794

77.00

1,804,973

68.60

9812

27.17

2,910,720

Missing

25

0.00

0

0.00

15

0.01

62

0.00

0

0.00

102