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 |