| Quartiles of PM10–2.5 levels | P for trends |
---|
Q1 | Q2 | Q3 | Q4 |
---|
Mean level, μg/m3 ± SD | 17.59 ± 3.67 | 21.92 ± 0.66 | 24.34 ± 0.83 | 28.14 ± 3.17 | |
Mean difference of individual’s concentration, mg/dL (95% CI) |
FBG | 0.956 | 0.588 | 1.214 | 0.598 | 0.429 |
(0.693–1.218) | (0.318–0.857) | (0.923–1.505) | (0.322–0.875) |
TC | 0.446 | 0.175 | 0.316 | 0.408 | 0.998 |
(0.027–0.864) | (−0.254–0.605) | (− 0.147–0.779) | (− 0.032–0.848) |
TG | − 0.504 | − 0.322 | −0.743 | 0.023 | 0.620 |
(−1.518–0.510) | (− 1.363–0.718) | (−1.865–0.380) | (− 1.044–1.090) |
HDL-C | − 0.034 | −0.116 | − 0.350 | −0.146 | 0.214 |
(−0.228–0.161) | (− 0.315–0.083) | (−0.565--0.135) | (− 0.350–0.059) |
LDL-C | 0.669 | 0.361 | 0.587 | 0.907 | 0.360 |
(0.248–1.090) | (−0.071–0.793) | (0.122–1.052) | (0.464–1.351) |
| Quartiles of PM2.5 levels | P for trends |
| Q1 | Q2 | Q3 | Q4 |
Mean level, μg/m3 ± SD | 21.78 ± 1.83 | 24.97 ± 0.62 | 26.89 ± 0.70 | 30.98 ± 2.15 | |
Mean difference of individual’s concentration, mg/dL (95% CI) |
FBG | 0.550 | 0.975 | 0.687 | 1.180* | 0.015 |
(0.283–0.816) | (0.702–1.249) | (0.422–0.953) | (0.886–1.475) |
TC | 0.192 | 0.46 | 0.076 | 0.696 | 0.312 |
(−0.232–0.616) | (0.024–0.896) | (−0.347–0.498) | (0.227–1.166) |
TG | −0.404 | −0.524 | − 0.235 | −0.365 | 0.862 |
(−1.432–0.625) | (−1.581–0.533) | (−1.259–0.790) | (− 1.505–0.774) |
HDL-C | − 0.219 | 0.026 | − 0.208 | − 0.212 | 0.690 |
(−0.416--0.022) | (− 0.176–0.229) | (− 0.404--0.012) | (−0.430–0.006) |
LDL-C | 0.341 | 0.618 | 0.316 | 1.384* | 0.010 |
(− 0.086–0.768) | (0.180–1.056) | (− 0.109–0.741) | (0.910–1.857) |
- Note: Models were adjusted for age, sex, income level, smoking status, alcohol consumption status, BMI physical activity, and CCI score. PM10–2.5, particulate matter sized 2.5-10 μm in aerodynamic diameter, PM2.5 particulate matter with aerodynamic diameter ≤ 2.5 μm; n, number, SD standard deviation, CI confidential interval, FBG fasting blood glucose, TC total cholesterol, TG triglycerides, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol
- * P value < 0.05 of multiple regression for quartile 4 group, compared to quartile 1 group as a reference