Table 2 Univariate Odds Ratios (OR's) for associations with advanced stage at diagnosis of non-small cell lung cancer
Variable | Advanced Stage Regional/Distant/Unknown | |
|---|---|---|
| Â | OR | 95% CI |
Demographics | ||
Age (per year) | 1.00 | (0.98 - 1.03) |
Women | 0.68 | (0.46 - 1.01) |
Non-White Race/Ethnicity | 1.24 | (0.50 - 3.07) |
Smoking | ||
Years of Smoking (10 year increments)* | 1.07 | (0.93 - 1.23) |
Pack Years (10 year increments)* | 1.05 | (0.98 - 1.13) |
Smoking Status | Â | Â |
   Never smoker | Ref |  |
   Current smoker | 1.81 | (0.90 - 3.63) |
   Former, Quit <10 yr | 2.56 | (1.17 - 5.60) |
   Former, Quit ≥10 yr | 1.82 | (0.93 - 3.55) |
Socioeconomic | ||
College Graduate or Higher | 1.66 | (1.00 - 2.76) |
Income >$40,000/year | 1.04 | (0.67 - 1.62) |
Currently Married or with Partner | 0.77 | (0.49 - 1.21) |
Medical History | ||
COPD | 0.81 | (0.48 - 1.35) |
History of Cancer | 1.00 | (0.62 - 1.60) |
Family History Lung Cancer** | 0.79 | (0.49 - 1.26) |
Comorbid Disease*** (1 or more) | 1.03 | (0.69 - 1.52) |
Exercise (Highest Quartile)**** | 1.15 | (0.69 - 1.93) |
BMI Category (kg/m 2 ) | ||
   Normal (18.5 - 24.9) | Ref |  |
   Underweight (<18.5) | 0.50 | (0.14 - 1.74) |
   Overweight (25 - 29.9) | 0.87 | (0.55 - 1.37) |
   Obese (≥30) | 0.97 | (0.55 - 1.72) |
   Missing | 0.78 | (0.34 - 1.78) |
Screening Activities | ||
Sigmoidoscopy/Colonoscopy | 0.65 | (0.43 - 0.99) |
PSA (men only) | 0.93 | (0.50 - 1.73) |
Mammogram (women only) | 1.47 | (0.61 - 3.59) |
Screening (at least one screening study) | 0.81 | (0.43 - 1.53) |