Age a) Alcohol intake b) Marine food c) Smoking d) Beta HCH R square =0.25 0.43     p=0.001 0.13         ns 0.12         ns 0.17        0.025 Chlordanes R square =0.24 0.36     p=0.001 -0.01         ns 0.22       0.026 0.28        <0.001 DDT (sum) R square =0.26 0.44      p<0.0001 0.16         ns 0.16      0.036 0.21        0.006 Hexachlorbenz. R square =0.28 0.40      p<0.0001 -0.2         0.04 0.25        0.001 0.21        0.001 Mirex R square =0.30 0.48      p<0.0001 0.25         0.007 0.18       0.016 0.27       <0.001 PCB (sum) R square =0.33 0.50      p<0.0001 0.13        ns 0.17       0.021 0.25        0.001 a)   adjusted for alcohol, marine food, smoking, plasma lipids. b)   adjusted for age, marine food, smoking, plasma lipids.   c)   adjusted for age, alcohol, plasma lipids, smoking.   d)   adjusted for age, alcohol, marine food, plasma lipids.