Factors that affect the concentration of urinary 8-OHdG using multiple linear regression (n=67)
| Variables | 8-OHdG (nM) β (SE) | p value | 8-OHdG (pmol/kg/day) β (SE) | p value |
|---|---|---|---|---|
| *Low urinary Cr: <1.13 μg/g cre. Moderate urinary Cr: 1.13–6.41 μg/g cre. High urinary Cr: >6.41 μg/g cre. | ||||
| Gender (female = 0) | 27.0 (15.2) | 0.0803 | 1125.0 (699.9) | 0.1167 |
| Age (<27 years = 0) | −0.16 (0.64) | 0.8047 | −16.5 (30.0) | 0.5654 |
| Smoking (yes = 0) | −15.5 (16.5) | 0.3540 | 33.3 (758.4) | 0.9643 |
| Alcohol (never = 0) | 93.2 (22.9) | 0.0003 | 4650.0 (1058.4) | 0.0001 |
| Common cold (no = 0) | 40.9 (17.4) | 0.0246 | 1153.2 (803.4) | 0.1591 |
| Urinary Cr concentration* | ||||
| Moderate (low = 0) | −9.3 (13.5) | 0.4973 | −116.7 (153.3) | 0.4632 |
| High (low = 0) | 86.5 (22.5) | 0.0004 | 774.9 (258.3) | 0.0046 |
| R2 | 0.6097 | 0.0001 | 0.6042 | 0.0001 |