Table 2. SNP-SNP and SNP-environment interactions (P value) between the three positive associated SNPs in IL-17 (logistic regression).

	rs1974226	rs2275913	rs3819024	Smoking	Drinking
s1974226
rs2275913	0.641
rs3819024	0.398	0.009
Smoking	0.960	0.474	0.986
Drinking	0.390	0.943	0.112	0.244