|
Distribution of selected confounders of breast cancer subjects (%) and RDDs of PCE-exposed controls. |
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| Characteristic |
Non-Proxy Cases (n = 461) |
Non-Proxy Controls (N = 424) |
All Cases (n = 672) |
All Controls (N = 616) |
|
|
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| Age at diagnosis or index years |
||||
| 1–49 years |
19.7 (91) |
20.6 (87) |
16.5 (111) |
16.7 (103) |
| 50–59 years |
13.7 (63) |
17.0 (72) |
12.2 (82) |
13.6 (84) |
| 60–69 years |
33.0 (152) |
31.1 (132) |
31.5 (211) |
29.9 (184) |
| 70–79 years |
28.8 (133) |
25.2 (107) |
28.4 (191) |
26.0 (160) |
| 80+ years |
4.8 (22) |
6.1 (26) |
11.4 (77) |
13.8 (85) |
| Age at first birth or stillbirth |
||||
| < 30 years |
60.6 (279) |
65.7 (278) |
61.0 (410) |
66.8 (411) |
| 30+ years |
13.8 (64) |
12.4 (53) |
14.5 (97) |
12.8 (79) |
| Nulliparous |
25.6 (118) |
21.9 (93) |
24.5 (165) |
20.4 (126) |
| Prior breast cancer |
5.6 (26) |
3.3 (14) |
5.4 (36) |
4.8 (30) |
| Family history of breast cancer |
24.3 (112) |
15.8 (67) |
25.6 (172) |
15.5 (95) |
| Occupational exposure to PCE |
16.3 (75) |
16.0 (68) |
15.5 (104) |
14.8 (91) |
|
|
||||
| RDD Exposure (for no latency) |
||||
| Minimum |
--- |
0.001 |
--- |
0.001 |
| Maximum |
--- |
206.9 |
--- |
243.8 |
| Median |
--- |
2.9 |
--- |
2.5 |
| 75th percentile |
--- |
11.9 |
--- |
12.1 |
| 90th percentile |
--- |
31.0 |
--- |
29.2 |
Vieira et al. Environmental Health: A Global Access Science Source 2005 4:3 doi:10.1186/1476-069X-4-3 |
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