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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