Table 4.

Comparison between biomarker levels after the Bayview site (“without”mask) vs College site exposures

Biomarker	Bayview (“without” mask) vs College site Ratio (95% CI)
A2M	0.887 (0.755, 1.043)+a
Adiponectin	1.184 (1.013, 1.385)*b
AGP	0.749 (0.590, 0.952)*a
CRP	1.410 (0.887, 2.240)+a
Haptoglobin	0.852 (0.734, 0.989)*a
IL-1β	1.050 (0.999, 1.104)+b
IL-4	1.317 (1.021, 1.699)*a
IL-6	1.143 (1.002, 1.305)*c
PF4	0.847 (0.709, 1.011)+a
Plasma ET-1(1–21)	1.497 (0.957, 2.340)+a
Plasma ET-3	1.330 (1.037, 1.705)*a
Saliva BET-1	1.302 (1.034, 1.641)*c
Saliva ET-1(1–21)	1.167 (1.031, 1.320)*b
Saliva ET-3	1.114 (0.979, 1.267)+b
TNF-α	1.076 (1.005, 1.151)*c
vWF	0.552 (0.349, 0.875)*a

*p < 0.05; +p < 0.1(not significant, trend only)

^aCovariates: Treatment period, carry over, age, sex, BMI, atmospheric pressure, temperature, relative humidity

^bCovariates: Treatment period, carry over

^cCovariates: Treatment period, carry over, age, sex, BMI