Table 3 |
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|
Characteristics of mothers and their children by maternal serum PCB quintile. |
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| Quintile of serum PCB |
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|
|
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| 1 |
2 |
3 |
4 |
5 |
|
|
|
|||||
| Mothers, n |
34 |
35 |
35 |
35 |
34 |
| Children analyzed, n |
34 |
35 |
35 |
35 |
34 |
| Serum PCB (ng/mL)- nondetects imputed, geometric mean (range) |
0.7 (0.5–0.9) |
1.0 (0.9–1.1) |
1.4 (1.1–1.7) |
2.2 (1.7–3.0) |
4.7 (3.0–12.1) |
| Serum PCB (ng/mL)- nondetects assigned 0, geometric mean (range) |
0.5 (0–0.8) |
0.8 (0.4–1.1) |
1.1 (0.7–1.6) |
2.1 (1.4–2.9) |
4.6 (2.9–11.9) |
| Crude sex ratio |
0.706 |
0.629 |
0.457 |
0.657 |
0.412 |
| Year of child's birth, mean ± sd |
1988 ± 5 |
1983 ± 7 |
1985 ± 7 |
1982 ± 6 |
1980 ± 6 |
| Yrs between delivery and blood analysis, mean ± sd |
6.2 ± 5.1 |
10.1 ± 6.8 |
8.9 ± 6.8 |
11.1 ± 6.1 |
13.6 ± 5.8 |
| Father's age (yrs) at delivery, mean ± sd |
31.2 ± 5.5 |
31.3 ± 5.0 |
33.9 ± 5.5 |
32.3 ± 6.9 |
30.6 ± 5.3 |
| Mother's age (yrs) at delivery, mean ± sd |
29.7 ± 4.9 |
29.2 ± 3.8 |
30.3 ± 4.9 |
29.4 ± 4.0 |
28.3 ± 4.6 |
| Captains cohort, n (%) |
16 (47.1) |
30 (85.7) |
29 (82.9) |
34 (97.1) |
33 (97.1) |
| Previous male child, n (%) |
19 (55.9) |
26 (74.3) |
19 (54.3) |
16 (45.7) |
17 (50.0) |
| Parity of mother, n (%) |
|||||
| 1 |
7 (20.6) |
13 (37.1) |
12 (34.3) |
9 (25.7) |
7 (20.6) |
| 2 |
17 (50.0) |
15 (42.9) |
16 (45.7) |
21 (60.0) |
19 (55.9) |
| >2 |
10 (29.4) |
7 (20.0) |
7 (20.0) |
5 (14.3) |
8 (23.5) |
|
|
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|
Weisskopf et al. Environmental Health: A Global Access Science Source 2003 2:2 doi:10.1186/1476-069X-2-2 |
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