| Variable | No adverse fetal outcome | adverse fetal outcome | OR (95% CI) | p-value |
| Number of ANC |
|
|
|
|
| ≤4 (reference) | 3701 (85.4) | 633 (14.6) |
| <0.01 |
| >4 | 1355 (91.8) | 121 (82.8) | 0.52 (0.42 - 0.64) |
|
| Age categories |
|
|
|
|
| <18 | 97 (75.2) | 32 (24.8) | 2.22 (1.48 - 3.33) | <0.01 |
| ≥18 (reference) | 4995 (87.1) | 743 (12.9) |
|
|
| Marital status |
|
|
|
|
| Single | 1567 (84.8) | 281 (15.2) | 1.28 (1.09 - 1.50) | <0.01 |
| Married | 3521 (87.7) | 494 (12.3) |
|
|
| Number of pregnancies |
|
|
|
|
| ≤3 | 3899 (86.3) | 620 (13.7) |
|
|
| >3 | 1191 (88.5) | 155 (00.15) | 0.81 (0.68 - 0.99) | 0.04 |
| Level of education |
|
|
|
|
| No formal education/ primary/secondary | 1946 (85.5) | 329 (14.5) |
|
|
| University | 3145 (87.6) | 445 (12.4) | 0.84 (0.72 - 0.98) | 0.02 |
| Occupation |
|
|
|
|
| Employed | 1630 (88.4) | 214 (11.6) | 0.81 (0.69 - 0.96) | 0.01 |
| Unemployed | 3461 (86.1) | 561 (13.6) |
|
|
| Time of evaluation |
|
|
|
|
| Before instability | 2699 (90.4) | 285 (9.6) | 1.83 (1.57 - 2.14) |
|
| During instability | 2536 (83.8) | 490 (16.2) |
| <0.01 |