INS and Hypertension: In the univariate logistic regression analyses, we found a high dioxin level was associated with an OR of 7.40 (95% CI: 4.78–11.45) for CKD in comparison with a lower dioxin level, and other potential risk factors included female gender, MS, DM, hypertension, high insulin, high uric acid, and age above 40 years.