| CNT/F metric β estimate (p-value) | |||
---|---|---|---|---|
FVC PPa | FEV1/FVC PPb | ln(FEF25-75 PP)c | PEF PPd | |
Exposure variable - untransformed | ||||
 EC–inhalable (μg/m3) | -1.78E-4 (0.478) | 2.53E-4 (0.155)e | 2.65E-4 (0.754) | 8.17E-5 (0.810) |
 EC-respirable (μg/m3) | -6.12E-4 (0.772) | 1.87E-3 (0.208) | 2.12E-3 (0.771) | 1.76E-4 (0.950) |
 TEM-total (structures/cm3) | 1.02E-2 (0.651) | -4.80E-4 (0.976) | 3.97E-2 (0.555) | -2.54E-2 (0.398) |
 CNT/F found in sputum | -1.61E-2 (0.558) | -5.15E-3 (0.804) | -3.14E-2 (0.707) | 1.57E-2 (0.700) |
 CNT/F duration employed (years) | -2.30E-4 (0.930) | 2.83E-3 (0.125) | 1.98E-2 (0.0148) | 5.32E-3 (0.130) |
Exposure variable – log-transformed | ||||
 ln(EC-inhalable) | 1.63E-6 (0.999) | 1.27E-3 (0.598) | 1.08E-2 (0.288) | -4.41E-3 (0.334) |
 ln(EC-respirable) | 6.79E-3 (0.172)e | 6.28E-4 (0.857) | 1.77E-2 (0.224) | -9.24E-3 (0.159)e |
 ln(TEM-total) | 5.34E-3 (0.203) | 2.55E-3 (0.376) | 2.14E-2 (0.0746)e | 3.23E-3 (0.554) |
Effect modification f | ||||
 Male | 6.86E-3 | 2.51E-4 | 2.27E-2 | -9.40E-3 |
 Female | 6.55E-3 | 6.12E-4 | 1.73E-2 | -8.72E-3 |
  p for interaction |  0.968 |  0.869 |  0.689 |  0.948 |
 White race, non-Hispanic | 8.02E-3 | 2.50E-4 | 2.04E-2 | -7.76E-3 |
 All other races and Hispanic | -8.48E-4 | -1.53E-3 | 2.83E-2 | -1.54E-2 |
  p for interaction |  0.533 |  0.907 |  0.592 |  0.496 |
 Age <40 | 3.81E-3 | -1.32E-4 | 1.35E-2 | -1.16E-2 |
 Age ≥40 | 8.66E-3 | 2.74E-4 | 2.56E-2 | -7.41E-3 |
  p for interaction |  0.468 |  0.587 |  0.304 |  0.635 |
 Education < college degree | 1.11E-2 | -1.65E-3 | 3.09E-2 | -1.83E-3 |
 Education ≥ college degree | 5.57E-3 | 2.80E-4 | 1.58E-2 | -1.11E-2 |
  p for interaction |  0.457 |  0.149 |  0.212 |  0.349 |
 No lung diseaseg | 6.38E-3 | 1.69E-4 | 1.84E-2 | -1.82E-2 |
 Has lung disease | 6.99E-3 | 2.56E-4 | 2.23E-2 | -3.90E-3 |
  p for interaction |  0.927 |  0.928 |  0.726 |  0.0985 |
 CHM score <5 | 7.91E-4 | 2.54E-4 | 3.00E-2 | -9.74E-3 |
 CHM score ≥5 | 1.41E-2 | 3.03E-6 | 1.80E-2 | -8.87E-3 |
  p for interaction |  0.186 |  0.908 |  0.287 |  0.922 |