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Table 6 Effects estimates per IQR change in PNC intake, PM2.5 intake and route (Downtown, with Residential as the reference) modeled for clinical measures

From: Particulate matter exposure and health impacts of urban cyclists: a randomized crossover study

Clinical measure

[Model 3]

PNC intake

ß-coefficient (95% CI)

[Model 4]

PNC intake

ß-coefficient in model adjusting for route (95% CI)

Downtown route

ß-coefficient (95% CI)

[Model 3]

PM2.5 intake

ß-coefficient (95% CI)

[Model 4]

PM2.5 intake

ß-coefficient in model adjusting for route (95% CI)

Downtown route

ß-coefficient (95% CI)

[Model 1]

Downtown route

ß-coefficient (95% CI)

RHI

0.050 (−0.20, 0.30)

0.15 (−0.10, 0.40)

−0.50 (−0.90, −0.10)

0.0010 (−0.091, 0.093)

0.017 (−0.073, 0.11)

−0.46 (−0.83, −0.089)

−0.43 (−0.79, −0.079)

FEV1 (mL)

20 (−26, 66)

21 (−29, 70)

−3.3 (−74, 67)

−0.64 (−17, 16)

−0.20 (−17, 16)

−13 (−80, 55)

0.81 (−60, 62)

FVC (mL)

−33 (− 109, 43)

−46 (−130, 34)

55 (−60, 170)

−0.79 (−29, 27)

−1.5 (−30, 27)

20 (−91, 130)

28 (−74, 130)

CRP (μg/dL)

1.7 (−26, 30)

1.2 (−29, 31)

2.1 (−44, 49)

−0.072 (−7.7, 7.6)

−0.77 (−8.5, 7.0)

19 (−13, 50)

2.3 (−39, 43)

IL-6 (pg/mL)

0.55 (−0.53, 1.6)

0.36 (−0.76, 1.5)

1.1 (−0.62, 2.8)

0.17 (−0.22, 0.57)

0.13 (−0.26, 0.53)

1.2 (−0.52, 2.8)

1.2 (−0.43, 2.7)

8-OHdG (ng/mL)

15 (−25, 54)

2.8 (−41, 47)

32 (−25, 88)

2.2 (−11, 15)

−0.037 (−13, 13)

39 (−12, 90)

30 (−17, 78)

  1. ß-coefficient values are presented for an interquartile range change in PNC (2.5 × 1010 particles) or PM2.5 (15.0 μg) intake