Conceptiona | N (%) | Father’s Dioxin | N (%)c |
before | 4180 (60.4) | measured | 3290 (78.7) |
|
| missing | 890 (21.4) |
after | 2742 (39.6) | measured | 2188 (79.8) |
|
| missing | 554 (20.2) |
either | 6922 (100) | measured | 5478 (79.1) |
|
| missing | 1444 (20.9) |