Appendix Table 1.
Variable | Missing Risk Factor |
||||
---|---|---|---|---|---|
Smoking Duration |
History of Pneumonia |
History of Cancer |
Family History of Lung Cancer |
Asbestos Exposure |
|
Model risk factors | |||||
Smoking duration | |||||
1–19 y | – | 0.7908 | 0.7526 | 0.8159 | 0.7950 |
20–39 y | – | 1.4906 | 1.4562 | 1.4743 | 1.4704 |
40–59 y | – | 2.5216 | 2.5274 | 2.5708 | 2.5359 |
≥60 y | – | 2.6762 | 2.7624 | 2.7924 | 2.7424 |
History of pneumonia | 0.5619 | – | 0.5893 | 0.5814 | 0.5917 |
History of cancer | 0.8599 | 0.6620 | – | 0.6808 | 0.6795 |
Family history of lung cancer | |||||
Early onset (age <60 y) | 0.9351 | 0.6538 | 0.7096 | – | 0.6901 |
Late onset (age ≥60 y) | 0.2779 | 0.1850 | 0.1943 | – | 0.2009 |
Asbestos exposure | 0.6659 | 0.6273 | 0.6367 | 0.6323 | – |
Internal validation | |||||
AUC | 0.6374 | 0.7554 | 0.7543 | 0.7537 | 0.7526 |
AUC — area under the receiver-operating characteristic curve; LLP = Liverpool Lung Project.
Estimated from the LLP case–control study.