| Cofactors | univariate Analysis OR | p | Multivariate Analysis ORajusted CI 95% | p |
| Age (years) |
|
|
|
|
| 15 - 49 | 1 (Ref) |
| 1 (Ref) |
|
| ≥50 | 0.9 (0.6 - 1.3) | 0.6 | 0.9 (0.6 - 1.3) | 0.6 |
| Parity |
|
|
|
|
| <6 | 1 (Ref) |
| 1 (Ref) |
|
| ≥6 | 0.6 (0.5 - 0.9) | 0.3 | 0.8 (0.4 - 1.4) | 0.3 |
| Gestity |
|
|
|
|
| <6 | 1 (Ref) | < 6 | 1 (Ref) |
|
| ≥6 | 0.7 (0.5 - 0.9) | 0.015 | 0.8 (0.4 - 1.5) | 0.6 |
| Schooling attendance |
|
|
|
|
| Yes | 1.4 (1.1 - 2.0) | 0.02 | 1.4 (1.2 - 2.0) | 0.04 |
| No | 1 (Ref) |
| 1 (Ref) |
|
| Marital status |
|
|
|
|
| Monogamy | 1 (Ref) |
| 1 (Ref) |
|
| Polygamy | 1.2 (0.8 - 1.5) | 0.341 | 1.4 (1.2 - 2.5) | 0.04 |