Table 5.
Logistic Regression Analysis of Patient Reported Outcome Trajectories
| Variables | B | SE | Wald χ2 | P | OR (95% CI) |
|---|---|---|---|---|---|
| C1 versus C3 | |||||
| Gender (ref = female) | −1.833 | 0.685 | 7.157 | 0.007 | 0.160 (0.042–0.613) |
| BMI (ref = ≥28 kg/m2) | - | - | - | - | - |
| <18.5 | −0.186 | 0.853 | 0.047 | 0.828 | 0.830 (0.156–4.421) |
| 18.5–23.9 | −1.646 | 0.699 | 5.547 | 0.019 | 0.193 (0.049–0.759) |
| 24–27.9 | −0.733 | 0.769 | 0.909 | 0.340 | 0.480 (0.106–2.168) |
| Place of residence (ref = rural) | −0.269 | 0.549 | 0.240 | 0.624 | 0.764 (0.261–2.241) |
| Work status (ref = active) | - | - | - | - | - |
| Unemployed | 0.208 | 0.703 | 0.087 | 0.767 | 1.231 (0.310–4.881) |
| Retirement | −1.047 | 0.705 | 2.205 | 0.138 | 0.351 (0.088–1.398) |
| Smoking history (ref = no) | 0.644 | 0.605 | 1.133 | 0.287 | 1.903 (0.582–6.225) |
| Number of comorbid diseases (ref = >3) | −1.577 | 0.710 | 4.941 | 0.026 | 0.207 (0.051–0.830) |
| Whether first visit (ref = no) | 1.333 | 0.561 | 5.643 | 0.018 | 3.792 (1.263–11.391) |
| Acute exacerbation at follow-up (ref = no) | 1.162 | 0.715 | 2.640 | 0.104 | 3.198 (0.787–12.993) |
| Pulmonary function classification (ref = grade IV) | - | - | - | - | - |
| I | −1.745 | 0.819 | 4.540 | 0.033 | 0.175 (0.035–0.869) |
| II | −1.734 | 0.711 | 5.945 | 0.015 | 0.177 (0.044–0.712) |
| III | 0.149 | 0.740 | 0.040 | 0.841 | 1.160 (0.272–4.946) |
| C2 versus C3 | |||||
| Gender (ref = female) | −0.940 | 0.559 | 2.829 | 0.093 | 0.390 (0.131–1.168) |
| BMI (ref = ≥28 kg/m2) | - | - | - | - | - |
| <18.5 | 0.652 | 0.712 | 0.839 | 0.360 | 1.920 (0.475–7.754) |
| 18.5–23.9 | 0.204 | 0.568 | 0.129 | 0.719 | 1.227 (0.403–3.737) |
| 24–27.9 | 0.960 | 0.617 | 2.419 | 0.120 | 2.612 (0.779–8.760) |
| Place of residence (ref = rural) | −0.492 | 0.374 | 1.737 | 0.188 | 0.611 (0.294–1.271) |
| Work status (ref = active) | - | - | - | - | - |
| Unemployed | 0.908 | 0.508 | 3.198 | 0.074 | 2.479 (0.917–6.706) |
| Retirement | 0.051 | 0.483 | 0.011 | 0.915 | 1.053 (0.408–2.714) |
| Smoking history (ref = no) | 1.055 | 0.394 | 7.156 | 0.007 | 2.872 (1.326–6.222) |
| Number of comorbid diseases (re = >3) | −0.784 | 0.560 | 1.959 | 0.162 | 0.456 (0.152–6.222) |
| Whether first visit (ref = no) | 0.073 | 0.403 | 0.033 | 0.856 | 1.076 (0.488–2.371) |
| Follow-up acute exacerbation (ref = no) | 0.228 | 0.565 | 0.164 | 0.686 | 1.257 (0.415–3.801) |
| Pulmonary function classification (ref = grade IV) | - | - | - | - | - |
| Grade I | −0.736 | 0.604 | 1.482 | 0.223 | 0.479 (0.147–1.566) |
| Class II | −0.208 | 0.505 | 0.170 | 0.680 | 0.812 (0.302–2.185) |
| Grade III | 0.616 | 0.597 | 1.064 | 0.302 | 1.851 (0.575–5.964) |
| Comparison of C1 and C2 | |||||
| Gender (ref = female) | −0.892 | 0.526 | 2.883 | 0.090 | 0.410 (0.146–1.148) |
| BMI (ref = ≥28 kg/m2) | |||||
| <18.5 | −0.838 | 0.728 | 1.327 | 0.249 | 0.433 (0.104–1.800) |
| 18.5–23.9 | −1.850 | 0.634 | 8.522 | 0.004 | 0.157 (0.045–0.544) |
| 24–27.9 | −1.694 | 0.687 | 6.085 | 0.014 | 0.184 (0.048–0.706) |
| Place of residence (ref = rural) | 0.223 | 0.481 | 0.216 | 0.642 | 1.250 (0.487–3.208) |
| Work status (ref = active) | - | - | - | - | - |
| Unemployed | −0.700 | 0.641 | 1.191 | 0.275 | 0.497 (0.141–1.746) |
| Retirement | −1.098 | 0.666 | 2.718 | 0.099 | 0.333 (0.090–1.230) |
| Smoking history (ref = no) | −0.411 | 0.580 | 0.504 | 0.478 | 0.663 (0.213–2.064) |
| Number of comorbid diseases (ref = >3) | −0.793 | 0.531 | 2.232 | 0.135 | 0.453 (0.160–1.281) |
| Whether first visit (ref = no) | 1.260 | 0.493 | 6.520 | 0.011 | 3.524 (1.340–9.269) |
| Follow-up acute exacerbation (ref = no) | 0.934 | 0.588 | 2.525 | 0.112 | 2.544 (0.804–8.052) |
| Pulmonary function classification (ref = grade IV) | - | - | - | - | - |
| I | −1.009 | 0.738 | 1.871 | 0.171 | 0.365 (0.086–1.548) |
| II | −1.526 | 0.634 | 5.789 | 0.016 | 0.217 (0.063–0.754) |
| III | −0.467 | 0.607 | 0.592 | 0.442 | 0.627 (0.191–2.060) |
Note: C1 – low health group, C2 – health risk group, and C3 – good health group.