| Characteristics | OR | CI | P |
| Blood Urea Nitrogen (BUN) | 1.02 | 1.005~1.032 | 0.008 |
| Uric Acid | 1.35 | 1.295~1.412 | 0 |
| C-Reactive Protein (CRP) | 1.02 | 1.004~1.029 | 0.01 |
| high | 0.02 | 0.006~0.039 | 0 |
| weight | 0.98 | 0.974~0.987 | 0 |
| BMI | 0.98 | 0.962~1.003 | 0.09 |
| Waist circumference | 0.99 | 0.984~0.997 | 0.002 |
| Age, mean (SD) | 1.03 | 1.028~1.04 | 0 |
| Residence area | 1.91 | 1.643~2.218 | 0 |
| Hypertension | 1.64 | 1.428~1.884 | 0 |
| Diabetes or high blood sugar | 1.43 | 1.108~1.841 | 0.006 |
| Smoke behavior | 1.07 | 1.023~1.118 | 0.003 |