Table 5 Associations between air pollution and morning lung function measurements
| Â | Morning: All locations | PEF (L/min) | FEV1 ( mL/s) | ||||||
|---|---|---|---|---|---|---|---|---|---|
Pollutant | Time Lags | No Obs | N | B | LCI | UCI | B | LCI | UCI |
Smelt woodsmoke | Current day | 1987 | 46 | -1.75 | -4.88 | 1.38 | 6.58 | -8.75 | 21.92 |
Previous day | 1778 | 46 | 1.09 | -3.08 | 5.27 | -0.52 | -19.62 | 18.57 | |
Levoglucosan | Current day | 1845 | 46 | -0.64 | -2.76 | 1.47 | -3.21 | -13.53 | 7.11 |
Previous day | 1836 | 46 | 0.67 | -0.92 | 2.26 | -0.99 | -12.30 | 10.31 | |
Mean 2Â days | 1730 | 46 | 0.10 | -1.94 | 2.15 | -5.26 | -19.23 | 8.71 | |
Mean 5Â days | 1745 | 46 | 1.97 | -3.58 | 7.51 | -5.19 | -30.84 | 20.46 | |
BrC C1-6 | Current day | 692 | 18 | -0.52 | -3.74 | 2.71 | -1.21 | -13.52 | 11.09 |
Previous day | 692 | 18 | -3.36 | -6.97 | 0.25 | 18.46 | -3.22 | 40.13 | |
Mean 2Â days | 677 | 18 | -3.81 | -8.72 | 1.11 | 24.09 | -3.66 | 51.84 | |
Mean 5Â days | 689 | 18 | -3.32 | -14.75 | 8.11 | 32.99 | -33.32 | 99.31 | |
Night | 696 | 18 | -0.25 | -1.93 | 1.43 | 8.85 | 1.42 | 16.29 | |
PM2.5 | Current day | 1977 | 46 | -0.18 | -2.13 | 1.77 | -8.30 | -16.19 | -0.41 |
Previous day | 1989 | 46 | 0.89 | -0.79 | 2.58 | -3.80 | -15.46 | 7.86 | |
Mean 2Â days | 1976 | 46 | 0.44 | -1.21 | 2.08 | -9.36 | -20.63 | 1.90 | |
Mean 5Â days | 2015 | 46 | 0.83 | -1.20 | 2.86 | -0.35 | -12.94 | 12.24 | |
Night | 1958 | 46 | 0.59 | -1.08 | 2.25 | -7.30 | -17.28 | 2.67 | |
UFP | Current day | 1514 | 46 | 0.70 | -2.26 | 3.65 | 5.37 | -8.42 | 19.15 |
Previous day | 1516 | 46 | -0.46 | -3.22 | 2.30 | -7.25 | -25.74 | 11.24 | |
Mean 2Â days | 1463 | 46 | -0.31 | -3.71 | 3.09 | -6.25 | -23.94 | 11.43 | |
Mean 5Â days | 1652 | 46 | -0.42 | -5.10 | 4.26 | 2.79 | -17.50 | 23.07 | |
Night | 1385 | 46 | -0.33 | -2.49 | 1.83 | -4.67 | -18.42 | 9.09 | |