Table 1 Occurrences of pregnancy risk factors and complications (%)in the study groups

Age < 18 years

0.63

1.85 **

0.97

Age > 35 years

11.03

14.07

12.56

Unmarried

17.48

30.74 ***

33.33 ***

Unemployed

16.97

16.67

16.43

Education

   High

24.74

18.51 *

16.43 **

   Average

45.71

34.07 ***

36.23 **

   Low

21.70

22.96

20.77

Primiparity

40.52

43.70

41.55

Multiparity

0.41

0.37

1.45 *

Prior miscarriage

9.78

16.67

17.88

Prior induced abortion

9.78

7.78

12.56

Prior fetal death

1.79

1.48

2.42

Overweight

19.04

22.17

18.93

History of infertility

6.30

5.93

4.35

Smoking

5.88

8.52

13.04 ***

Alcohol consumption

3.45

3.70

6.76 **

Chronic illness

5.13

4.44

5.80

Diabetes

2.25

1.85

1.93

Chronic hypertension

1.28

1.11

0.97

Pregnancy complications

Prolonged gravidity

3.77

4.44

2.08

Low haemoglobin

1.53

0.74

2.90

Pre-eclampsia

2.76

3.72

3.86

Chorio-amnionitis

1.37

4.83 ***

9.66 ***

Placental abruption

0.70

4.44 ***

6.28 ***

Placenta previa

0.41

0.37

0.48

Meconium-stained AF

10.56

10.98

13.13

Abnormal FHR during delivery

16.76

19.02

15.20