IL12RB1 and breast cancer: Lastly for this IL12RB1 gene, the rs404733 SNP was associated with increased BC risk under the allelic (adjusted OR 1.26, 95% CI: 1.03–1.54, P = 0.02) and additive (adjusted OR 1.24, 95% CI: 1.02–1.51, P = 0.03).