Skip to main content

Table 5 Mixed effects (model 2) coefficients of subclinical health measure, modeled using the GM concentration of PNC or PM2.5 exposures for each trial

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

Outcome measurement

GM of PNC ß-coefficient

95% CI

GM of PM2.5 ß-coefficient

95% CI

RHI

0.066

−0.22, 0.35

−0.051

−0.25, 0.15

FEV1 (mL)

−4.1

−53, 45

−32

−66, 3.0

FVC (mL)

−63

− 145, 19

−41

−102, 19

CRP (μg/dL)

8.7

−14, 32

2.2

−14, 19

IL-6 (pg/mL)

0.78

−0.45, 2.0

0.64

−0.20, 1.5

8-OHdG (ng/mL)

0.027

−0.013, 0.067

0.010

−0.019, 0.039

  1. ß-coefficient values are presented for an interquartile range change in PNC (7637 pt/cm³) or PM2.5 (4.7 μg/m3) exposure