In the adjusted for creatinine only models, the OR of thyroid nodules ranged from a low of 0.67 (95% CI, 0.50, 0.88) to 0.96 (95% CI, 0.73, 1.24) per log unit increase in urinary BPA and BPF, respectively (Table 3). The gene discussed is DST; the disease is thyroid nodule.