Coefficient (95% CI) | p-value | |
Change in FEV1 mL | Model R2 0.0660 | |
Baseline FEV1 % pred | −2.78 (−3.13– −2.41) | <0.0001 |
Current smoking | −51.36 (−70.99– −31.73) | <0.0001 |
Female | 68.47 (51.85–85.09) | <0.0001 |
Age at recruitment | −0.39 (−1.54–0.77) | 0.51 |
Education beyond high school | −7.96 (−27.00–11.08) | 0.41 |
Low income | −36.58 (−57.23– −15.93) | 0.001 |
African American race | 49.21 (27.48–70.93) | <0.0001 |
Smoking pack-years | −0.89 (−1.27– −0.51) | <0.0001 |
Change in emphysema | Model R2 0.0925 | |
Baseline emphysema | −0.017 (−0.035–0.00073) | 0.060 |
Baseline FEV1 % pred | −0.051 (−0.058– −0.045) | <0.0001 |
Current smoking | 0.68 (0.39–0.98) | <0.0001 |
Female | −0.039 (−0.29–0.21) | 0.76 |
Age at recruitment | −0.0057 (−0.023–0.011) | 0.51 |
Education beyond high school | 0.21 (−0.075–0.49) | 0.15 |
Low income | 0.14 (−0.17–0.45) | 0.39 |
African American race | 0.31 (−0.019–0.64) | 0.065 |
Smoking pack-years | 0.0051 (−0.00070–0.011) | 0.085 |
Change in airway wall thickness | Model R2 0.1121 | |
Baseline airway wall thickness | −0.20 (−0.22– −0.18) | <0.0001 |
Baseline FEV1 % pred | −0.00018 (−0.00036– −0.0000048) | 0.044 |
Current smoking | 0.0060 (−0.0029–0.015) | 0.185 |
Female | −0.022 (−0.030– −0.014) | <0.0001 |
Age at recruitment | 0.00070 (0.00019–0.0012) | 0.008 |
Education beyond high school | −0.0013 (−0.0099–0.0073) | 0.76 |
Low income | 0.013 (0.0036–0.022) | 0.007 |
African American race | −0.015 (−0.025– −0.0050) | 0.003 |
Smoking pack-years | 0.00013 (−0.000042–0.00031) | 0.136 |
FEV1: forced expiratory volume in 1 s.