Table 2 Association between each PM_10–2.5 and PM_2.5 levels and changes in individual’s concentration of fasting glucose and lipid profiles

Mean level, μg/m³ ± SD

17.59 ± 3.67

21.92 ± 0.66

24.34 ± 0.83

28.14 ± 3.17

 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)

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

 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)