Characteristics | Women ever pregnant (n = 110) (%) | Women never pregnant (n = 41) (%) |
---|---|---|
Birth cohort | ||
 1950 to 1954 | 16.4 | 5.3 |
 1955 to 1965 | 47.3 | 19.5 |
 1966 to 1980 | 36.4 | 78.1 |
Age at the time of the interview | ||
 20–25 years | 2.8 | 29.3 |
 25.1–30 year | 8.2 | 24.4 |
 30.1–40 year | 41.8 | 29.3 |
  > 40 year | 47.3 | 17.1 |
Education | ||
 High school graduate and less | 11.0 | 4.9 |
 Associate degree | 31.2 | 26.8 |
 College graduate or graduate school | 57.8 | 68.3 |
Marital status | ||
 Married | 84.6 | 39 |
 Single but living together | 0.9 | 12.2 |
 Single | 4.6 | 43.9 |
 Others (engaged, divorced) | 10.0 | 4.9 |
Mother ate sport-caught fish (information form the offspring) | ||
 Yes | 62.7 | 68.2 |
 No | 10.9 | 22.0 |
 Do not know | 26.4 | 9.8 |
Breastfed as an infant | ||
 Yes | 41.8 | 43.9 |
 No | 50.9 | 43.9 |
 Don’t know | 7.3 | 12.2 |
Ever had fertility problems (offspring) | 21.8 | 7.5 |
In utero DDE exposure (estimated serum concentration in the mother in μg/L) | ||
 0–2.4 | 33.6 | 26.8 |
 2.4–7.4 | 33.6 | 43.9 |
  > 7.4 | 31.8 | 29.3 |
In utero PCB exposure (estimated serum concentration in the mother in μg/L) | ||
 0–2.4 | 49.1 | 39.0 |
 2.4–7.4 | 28.2 | 41.5 |
  > 7.4 | 22.7 | 19.5 |
Age at the beginning of the first TUIa | ||
 14–< 20 years | 17.5 | 0.0 |
 20–< 25 years | 28.2 | 29.3 |
 25–< 30 years | 40.8 | 24.4 |
  ≥ 30 years | 13.6 | 46.3 |