Table 3 Associations between air pollutants and pulmonary function during the study period
| Â | PEF (L/min) | FEV1 (mL) | ||||
|---|---|---|---|---|---|---|
| Â | Changea | 95% CI | P-Value | Changea | 95% CI | P-Value |
Outdoor air pollutants | ||||||
 PM2.5 | −4.57 | (−10.67, 1.52) | 0.141 | −41.19 | (−84.38, 1.99) | 0.062 |
 PM10-2.5 | −2.71 | (−9.04, 3.62) | 0.401 | −37.50 | (−81.80, 6.79) | 0.097 |
 BC | −3.53 | (−7.31, 0.25) | 0.067 | −27.28 | (−54.10,−0.46) | 0.046 |
 O3 | −3.84 | (−15.42, 7.74) | 0.515 | −30.93 | (−112.84, 50.99) | 0.459 |
 NO2 | 2.18 | (−3.67, 8.02) | 0.466 | −28.23 | (−69.40, 12.95) | 0.179 |
Indoor air pollutants | ||||||
 PM2.5 | −3.21 | (−8.63, 2.20) | 0.245 | −9.58 | (−48.50, 29.34) | 0.629 |
 O3 | −8.03 | (−13.02,−3.03) | 0.002 | −20.14 | (−55.36, 15.09) | 0.262 |
 NO2 | 0.81 | (−3.96, 5.59) | 0.738 | −9.88 | (−43.22, 23.46) | 0.561 |