Table 2. Top ten two-way interactions found in the analysis of the non-smokers.

SNP combination	OR (95% CI)	P-value
rs9642880 [G/T, T/T] × rs1014971 [C/C]	1.91 (1.44–2.51)	0.0015
rs9642880 [G/G, G/T] × rs1014971 [C/T, T/T]	0.56 (0.43–0.74)	0.0112
rs710521 [A/A, A/G] × rs1014971 [C/C]	1.68 (1.28–2.20)	0.0458
rs1014971 [C/C] × rs1495741 [A/A, A/G]	1.66 (1.27–2.16)	0.0524
rs1014971 [C/C] × rs11892031 [A/A, A/C]	1.65 (1.27–2.16)	0.0564
rs1014971 [C/T, T/T] × rs8102137 [C/C, C/T]	0.61 (0.46–0.79)	0.0640
rs1014971 [C/C] × rs11892031 [A/A]	1.65 (1.26–2.15)	0.0761
rs9642880 [T/T] × rs710521 [A/A, A/G]	1.75 (1.29–2.37)	0.0827
rs1014971 [C/T, T/T] × rs1495741 [A/A, A/G]	0.62 (0.47–0.81)	0.1051
rs1014971 [C/C] × GSTM1 null	1.73 (1.28–2.35)	0.1111

The top ten of the 288 possible two-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, where the p-values were adjusted for multiple comparisons by the Bonferroni correction.