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

Slatore et al. BMC Cancer 2011 11:228   doi:10.1186/1471-2407-11-228

Open Data