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 |
|
|---|---|---|
| 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 | ||
| 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/m2) | ||
| 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) |
*among current or former smokers
** ≥1 1st degree relative with lung cancer
***See definition in text
**** usual MET hours per week for each activity averaged over the previous 10 years