Table 3 The results of two-pollutant models with CO or O3–8h.

From: Acute effects of ambient PM2.5 on lung function among schoolchildren

Pollutants

FVC (mL)

FEV1 (mL)

PEF (mL/s)

Estimate (95% CI)

Estimate (95% CI)

Estimate (95% CI)

PM2.5

−33.74 (−44.96,−22.52)

−32.56 (−43.7,−21.41)

−67.45 (−89.25,−45.64)

+CO

−43.77 (−58.63,−28.91)*

−42.16 (−56.92,−27.39)*

−71.58 (−100.37,−42.79)*

+O3–8h

−31.55 (−43.37,−19.73)*

−28.63 (−40.38,−16.88)*

−65.41 (−88.34,−42.49)*

  1. *These estimates are from the two-pollutant regression models, with adjustments for age, sex, height, weight, passive smoking status, asthma, father’s education level, whether the family uses natural gas for cooking, whether the family uses air purifiers at home, temperature, and relative humidity.
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