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Table 6 Comparison of target biomarker levels after the Bayview site (“without” mask) vs Bayview site (“with” mask) exposures

From: Cardiovascular and inflammatory mechanisms in healthy humans exposed to air pollution in the vicinity of a steel mill

Comparison

IL-1β

Ratio (95% CI)

IL-2

Ratio (95% CI)

Plasma BET-1

Ratio (95% CI)

Bayview Ambient vs

Bayview Mask

1.061 (1.012, 1.112)*

1.153 (1.027, 1.294)*

1.135 (0.959, 1.344)+

  1. *p < 0.05; +p < 0.1(not significant, trend only)
  2. Note: Covariates: Treatment period, carry over, age, sex, BMI, atmospheric pressure, temperature, relative humidity