The top ten of the 1,760 possible three-way interactions comprised of the six SNPs and GSTM1, as well as their odds ratios (OR) with 95% confidence intervals (CI) are listed in order of their p-values
B = regression coefficient derived from linear regression model, adjusted for age and gender; *only current smokers at the last survey; **ever smokers are current smokers and ex-smokers together. a =