Distribution of DNA adducts in cultured peripheral lymphocytes from 706 cancer-free non-Hispanic white subjects by selected variables.

aThe median level of BPDE-induced DNA adducts.bP value was obtained using the Wilcoxon two-sample test for the genotype of one or two copies of the minor allele compared with zero copies of the minor allele in each SNP.cPtrend value was obtained using the non-parametric analysis of variance test for the trend among genotypes.