Table 2 Association of fetal chromosomal abnormalities with maternal characteristics (categorical variables)
From: Factors associated with fetal karyotype in spontaneous abortion: a case-case study
| Â | Normal | Abnormal | P | Crude OR (95% CI) |
|---|---|---|---|---|
Folic acid supplementation | ||||
 No | 13 (21.7) | 19 (19.0) |  |  |
 Yes | 47 (78.3) | 81 (81.0) | 0.683 | 1,18 (0.53, 2.60) |
 Previous miscarriages (n) | ||||
  < 1 | 30 (50.0) | 66 (66.0) |  |  |
  ≥ 1 | 30 (50.0) | 34 (34.0) | 0.046 | 0.52 (0.27, 0.99)* |
Exposure to paint | ||||
 No | 59 (98.3) | 92 (92.0) |  |  |
 Yes | 1 (1.7) | 8 (8.0) | 0.184 | 5.13 (0.63, 42.08) |
Perceived noises | ||||
 No | 46 (76.7) | 92 (92.0) |  |  |
 Yes | 14 (23.3) | 8 (8.0) | 0.006 | 0.29 (0.11, 0.73)** |
Pesticide exposure | ||||
 No | 53 (88.3) | 91 (91.0) |  |  |
 Yes | 7 (11.7) | 9 (9.0) | 0.586 | 0.75 (0.26, 2.13) |
Repellent exposure | ||||
 No | 50 (83.3) | 84 (84.0) |  |  |
 Yes | 10 (16.7) | 16 (16.0) | 0.912 | 0.95 (0.40, 2.26) |
Passive smoking | ||||
 No | 26 (43.3) | 45 (45.0) |  |  |
 Yes | 34 (56.7) | 55 (55.0) | 0.837 | 0.94 (0.49, 1.78) |
Alcohol use | ||||
 No | 57 (95.0) | 96 (96.0) |  |  |
 Yes | 3 (5.0) | 4 (4.0) | 1.000 | 0.79 (0.17, 3.67) |
Exposure to PAH | ||||
 No | 48 (80.0) | 89 (89.0) |  |  |
 Yes | 12 (20.0) | 11 (11.0) | 0.116 | 0.49 (0.20, 1.20) |