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)