Table 4. Relations of PM2.5 exposure and particulate PAHs with urinary 1-OHPG by regression models.
Ln urinary 1-OHPG(µg/g creatinine) | |||
Variables | β | 95% CI | p-value |
Total workers (N = 144) | |||
Environmental exposurea | |||
PM2.5 (µg/m3) | −0.0003 | −0.003 to 0.002 | 0.819 |
Environmental exposurea | |||
PM2.5 (µg/m3) | −0.0006 | −0.004 to 0.002 | 0.675 |
Particulate PAHs (ng/m3) | 0.043 | 0.011 to 0.075 | 0.010 |
Nonsmoking workers (N = 117) | |||
Environmental exposureb | |||
PM2.5 (µg/m3) | −0.0007 | −0.004 to 0.002 | 0.626 |
Environmental exposureb | |||
PM2.5 (µg/m3) | −0.001 | −0.004 to 0.002 | 0.503 |
Particulate PAHs (ng/m3) | 0.056 | 0.014 to 0.098 | 0.010 |
Adjusted for age, gender, educational level, smoking habit, season of data collection, and group.
Adjusted for age, gender, educational level, season of data collection, and group.