TABLE 1.

Median Age at Weaning and DDE Concentration in Breast Milk, Mexico and North Carolina

DDE (ppm)MexicoNorth Carolina
N (%)Median Age (Months)Median Age (Months)N (%)
0–2.429 (13)7.57.6392 (52)
2.5–4.959 (26)5.06.0282 (38)
5.0–7.466 (29)3.03.545 (6)
7.5–9.933 (14)3.52.218 (2)
10.0–12.421 (9)4.02.89 (1)
12.5+21 (9)3.07.76 (1)
Total229752
Median DDE(ppm)52
  • ppm indicates parts per million.