Table 3 Distribution between exposure groups and risk of ever experiencing a pregnancy loss in categories of p,p'-DDE exposure in relation to the lowest DDE exposure group.
p,p'-DDE (ng/g lipid) | ||||||
|---|---|---|---|---|---|---|
0-250 | 250-500 | 500-1000 | 1000-1500 | >1500 | Continuous (Per 1 log unit) | |
Greenland | ||||||
Number of women with at least one previous pregnancy | 179 | 121 | 90 | 22 | 17 | 429 |
Number of women ever who ever experienced a fetal loss | 72 | 56 | 51 | 10 | 12 | 201 |
Number of women with only one previous pregnancy | 73 | 42 | 26 | 7 | 1 | 149 |
Number of women experiencing fetal loss in one pregnancy | 14 | 10 | 9 | 0 | 0 | 33 |
Preg adj. odds ratio (95%CI) a | 1 | 1.2 (0.7-1.9) | 1.7 (1.0-2.9) | 0.8 (0.3-2.2) | 1.6 (0.5-5.4) | 1.1 (0.9-1.3) |
Adj odds ratio (95%CI) b | 1 | 0.9 (0.4-1.9) | 1.3 (0.5-2.9) | 0.8 (0.2-3.8) | 3.2 (0.6-15.8) | 1.0 (0.7-1.3) |
Adj. OR one prev. pregnancy | 1 | 1.8 (0.6-5.2) | 4.2 (1.2-14.1) | - | - | 1.1 (0.7-1.8) |
Kharkiv | ||||||
Number of women with at least one previous pregnancy | 4 | 54 | 95 | 33 | 14 | 200 |
Number of women ever who ever experienced a fetal loss | 2 | 12 | 23 | 8 | 5 | 50 |
Number of women with only one previous pregnancy | 2 | 30 | 55 | 21 | 10 | 118 |
Number of women experiencing fetal loss in one pregnancy | 1 | 5 | 10 | 2 | 3 | 21 |
Preg adj. odds ratio (95%CI) a | - | 1 c | 1.4 (0.9-2.1) | 0.9 (0.5-1.9) | 1.8 (0.7-4.2) | 1.0 (0.5-1.8) |
Adj odds ratio (95%CI) b | - | 1 c | 1.2 (0.5-2.8) | 0.8 (0.2-2.6) | 1.4 (0.3-6.0) | 0.8 (0.4-1.5) |
Adj. OR one prev. pregnancy | - | 1 c | 0.8 (0.2-2.5) | 0.4 (0.1-2.2) | 1.6 (0.3-9.1) | 0.7 (0.3-1.7) |
Warsaw | ||||||
Number of women with at least one previous pregnancy | 13 | 23 | 11 | 1 | 1 | 49 |
Number of women ever who ever experienced a fetal loss | 7 | 18 | 8 | 1 | 0 | 34 |
Number of women with only one previous pregnancy | 12 | 19 | 9 | 0 | 1 | 41 |
Number of women experiencing fetal loss in one pregnancy | 7 | 14 | 6 | 0 | 0 | 27 |
Preg adj. odds ratio (95%CI) a | 1 | 3.0 (0.7-13.1) | 2.2 (0.4-12.4) | - | - | 1.8 (0.7-4.5) |
Adj odds ratio (95%CI) b | 1 | - | - | - | - | 1.0 (0.8-1.3) |
Adj. OR one prev. pregnancy | 1 | 3.5 (0.4-28.8) | 3.5 (0.3-43.3) | - | - | 2.8 (0.7-10.7) |
Combined d | ||||||
Number of women with at least one previous pregnancy | 196 | 198 | 196 | 56 | 32 | 678 |
Number of women ever who ever experienced a fetal loss | 81 | 86 | 82 | 19 | 17 | 285 |
Number of women with only one previous pregnancy | 87 | 91 | 90 | 28 | 12 | 308 |
Number of women experiencing fetal loss in one pregnancy | 22 | 29 | 25 | 2 | 3 | 81 |
Preg adj. odds ratio (95%CI) a | 1 | 1.2 (0.8-1.9) | 1.5 (0.9-2.4) | 1.0 (0.5;2.2) | 1.9 (0.8-4.8) | 1.0 (0.8-1.2) |
Adj odds ratio (95%CI) b | 1 | 1.0 (0.6-1.7) | 1.3 (0.7-2.3) | 0.9 (0.4-2.2) | 2.5 (0.9-6.6) | 1.0 (0.8-1.3) |
Adj. OR one prev. pregnancy | 1 | 1.4 (0.7-2.9) | 1.6 (0.7-3.7) | 0.5 (0.1-2.3) | 1.7 (0.3-8.1) | 1.1 (0.8-1.6) |