| PM10 | P for interaction | NO2 | P for interaction | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Non-COPD (n = 161) | COPD (n = 296) | Non-COPD (n = 161) | COPD (n = 296) | |||||||
β (95% CI) | P | β (95% CI) | P | β (95% CI) | P | β (95% CI) | P | |||
FVC, L | ||||||||||
 Model 1a | −0.12 (−0.26, 0.03) | 0.117 | −0.13 (− 0.24, − 0.02) | 0.018 | 0.900 | −0.12 (− 0.25, 0.01) | 0.071 | −0.06 (− 0.15, 0.04) | 0.261 | 0.436 |
 Model 2b | −0.09 (− 0.25, 0.06) | 0.226 | − 0.11 (− 0.22, 0.00) | 0.060 | 0.875 | −0.15 (− 0.28, −.02) | 0.024 | −0.06 (− 0.16, 0.04) | 0.231 | 0.256 |
 Model 3c | −0.11 (− 0.26, 0.04) | 0.161 | − 0.13 (− 0.24, − 0.01) | 0.032 | 0.865 | − 0.15 (− 0.28, −.02) | 0.023 | −0.05 (− 0.15, 0.04) | 0.268 | 0.229 |
FEV1, L | ||||||||||
 Model 1a | − 0.09 (− 0.20, 0.02) | 0.112 | − 0.04 (− 0.12, 0.04) | 0.359 | 0.451 | −0.03 (− 0.13, 0.06) | 0.515 | 0.00 (− 0.07, 0.08) | 0.912 | 0.550 |
 Model 2b | −0.09 (− 0.20, 0.03) | 0.128 | − 0.04 (− 0.12, 0.05) | 0.387 | 0.452 | −0.04 (− 0.14, 0.06) | 0.419 | 0.00 (− 0.07, 0.08) | 0.930 | 0.474 |
 Model 3c | −0.10 (− 0.21, 0.02) | 0.091 | − 0.05 (− 0.13, 0.04) | 0.270 | 0.456 | −0.04 (− 0.14, 0.06) | 0.413 | 0.01 (− 0.07, 0.08) | 0.861 | 0.437 |
Emphysema index | ||||||||||
 Model 1a | 0.65 (−0.89, 2.19) | 0.405 | 1.55 (0.52, 2.57) | 0.003 | 0.337 | −0.09 (−1.60, 1.38) | 0.908 | 0.47 (− 0.48, 1.42) | 0.332 | 0.523 |
 Model 2b | 0.24 (−1.50, 1.99) | 0.789 | 1.21 (− 0.02, 2.44) | 0.053 | 0.298 | −0.23 (−1.70, 1.23) | 0.756 | 0.51 (−0.43, 1.46) | 0.288 | 0.392 |
 Model 3c | 0.41 (−1.30, 2.15) | 0.641 | 1.39 (0.17, 2.62) | 0.026 | 0.291 | −0.22 (− 1.70, 1.23) | 0.764 | 0.46 (− 0.48, 1.40) | 0.337 | 0.429 |
Mean wall area % | ||||||||||
 Model 1a | 2.33 (1.00, 3.66) | 0.001 | 0.64 (−0.25, 1.53) | 0.159 | 0.037 | 0.33 (−0.95, 1.61) | 0.614 | 0.34 (− 0.49, 1.17) | 0.417 | 0.985 |
 Model 2b | 1.61 (0.10, 3.12) | 0.037 | 0.05 (−1.00, 1.11) | 0.922 | 0.055 | 0.16 (− 1.10, 1.42) | 0.809 | 0.39 (−0.43, 1.21) | 0.346 | 0.751 |
 Model 3c | 1.65 (0.13, 3.16) | 0.033 | 0.09 (−0.97, 1.16) | 0.862 | 0.055 | 0.16 (−1.10, 1.42) | 0.807 | 0.38 (− 0.44, 1.20) | 0.360 | 0.764 |