Relations between traffic density and the urinary 8-OHdG (μg/g creatinine) concentration in the toll station workers among non-smokers (n = 42)
| Increase in 8-OHdG | Increase in log(8-OHdG) | |||||||
|---|---|---|---|---|---|---|---|---|
| Unadjusted | Adjusted* | Unadjusted | Adjusted* | |||||
| B | 95% CI | B | 95% CI | B | 95% CI | B | 95% CI | |
| *Adjusted for age, use of motorcycle, daily burning of incense, and wearing of mask. | ||||||||
| Average exposure to cars (per 1000 vehicles/hour) | 4.16 | −15.64 to 23.96 | 9.32 | −11.59 to 30.23 | 0.20 | −1.05 to 1.45 | 0.38 | −0.55 to 1.30 |
| Average exposure to trucks and buses (per 1000 vehicles/hour) | 19.15 | −8.11 to 46.41 | 16.76 | −13.63 to 47.16 | 0.58 | −1.03 to 2.19 | 0.15 | −1.30 to 1.59 |
| Cumulative exposure to cars (per 1000 vehicles) | 0.15 | −2.62 to 2.92 | 0.67 | −2.45 to 3.79 | 0.03 | −0.15 to 0.20 | 0.07 | −0.07 to 0.22 |
| Cumulative exposure to trucks and buses (per 1000 vehicles) | −0.09 | −0.82 to 0.64 | 7.10 | −7.16 to 21.35 | −0.09 | −0.824 to 0.64 | 0.13 | −0.50 to 0.76 |