Risk factors for prematurity

OR

95% CI

Wald

sig.

Lim<

Lim>

Maternal age < 20 years

0.9

0.1

5.6

0.0

0.920

Celibacy

1.4

0.6

3.4

0.5

0.465

Polygamy

2.7

0.5

14.1

1.4

0.233

Low level of education

0.7

0.3

1.5

1.0

0.307

Promiscuity (≥5 person/household)

1.9

0.9

4.2

2.7

0.103

Heavy work during pregnancy

11.6

1.6

87.2

5.7

0.017

Late announcement of pregnancy

1.0

0.4

2.5

0.0

0.990

Primigestity

4.2

1.8

9.7

11.5

0.001

History of prematurity

62.9

25.9

152.8

83.7

0.000

Pathologies during pregnancy

1.7

0.8

3.7

1.8

0.175

Lack of tetanus vaccination

4.2

1.0

16.9

4.0

0.046

Out-of-hospital delivery

0.5

0.0

7.9

0.3

0.605

Constant

0.0

85.2

0.000