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Table 2 Background characteristics of the reproductive aged women from Sub-Saharan African countries

From: Preterm birth and its associated factors among reproductive aged women in sub-Saharan Africa: evidence from the recent demographic and health surveys of sub-Sharan African countries

Variables

Weighted frequency

Percentage (%)

Region

 Central Africa

15,773

9.13

 East Africa

85,064

49.23

 South Africa

3993

2.31

 West Africa

67,945

39.33

Residence

 Urban

51,551

29.84

 Rural

121,224

70.16

Age (years)

 < 20

8355

4.84

 20–35

122,256

70.76

 > 35

42,164

24.40

Education status

 No

65,016

37.63

 Primary

59,436

34.40

 Secondary

41,279

23.89

 higher

7045

4.08

Marital status

 Single

8734

5.05

 Married

151,912

87.92

 Divorced

9680

5.60

 widowed

2450

1.42

Wealth index

 Poorest

39,410

22.81

 Poorer

38,144

22.08

 Middle

34,889

20.19

 Richer

32,274

18.68

 Richest

28,059

16.24

Current working

 No

58,915

34.10

 Yes

113,860

65.90

Media exposure

 No

96,962

56.12

 Yes

75,813

43.88

Substance use

 No

161,851

99.03

 Yes

1583

0.97

Preceding birth interval (months)

 first birth

21,550

13.77

 Short

28,300

20.97

Optimum

89,375.908

57.10

 Long

17,299.056

11.05

Number of ANC visit

 1–3 visits

117,105.51

67.78

 ≥ 4 visits

55,668.192

32.22

Sex of fetus

 Male

87,479

50.63

 Female

85,296

49.37

Multiple pregnancy

 No

166,661

96.46

 yes

|6113

3.54

Contraceptive use

 no

118,179

68.40

 Yes

54,596

31.60

History of terminated pregnancy

 No

150,500

87.11

 Yes

22,274

12.89

Wanted pregnancy

 No

9685

6.52

 Yes

138,870

93.48

Pervious delivery by CS

 No

158,427

95.21

 Yes

7978

4.79

Parity

 Primi

21,550

12.47

 Multi

107,674

62.32

 Grand

43,551

25.21