Factor | Crude risk | Adjusted risk | ||||
---|---|---|---|---|---|---|
OR | 95% CI | p-value | ORa | 95% CI | p-value | |
Smoking habit(yes/no) | 2.21 | 1.35-3.3.63 | <0.01 | 3.70 | 1.49-9.19 | p < 0.01 |
Pack years <20 | 1.00 | - | - | 1.00 | - | - |
20-30 | 3.27 | 1.43-7.49 | <0.01 | 3.54 | 1.11-11.26 | p < 0.05 |
30-40 | 3.53 | 1.72-7.26 | <0.01 | 3.65 | 1.27-10.50 | p < 0.05 |
≥40 | 7.54 | 3.95-14.41 | <0.01 | 7.76 | 3.00-20.11 | p < 0.01 |
x 2test for trend | p < 0.001 | p < 0.001 | ||||
Alcohol habit(yes/no) | 1.46 | 0.92-2.30 | >0.05 | 1.72 | 0.83-3.53 | p > 0.05 |
Tea habit(yes/no) | 1.14 | 0.69-1.89 | >0.05 | 0.92 | 0.41-2.09 | p > 0.05 |
Peppery (servings, > 2 times/week, yes/no) | 0.61 | 0.38-0.98 | <0.05 | 0.35 | 0.16-0.76 | p < 0.01 |
Fruit (servings, > 2 times/week, yes/no) | 0.28 | 0.14-0.58 | <0.01 | 0.16 | 0.06-0.43 | p < 0.01 |
Dust exposureb (yes/no) | 3.55 | 2.08-6.04 | <0.01 | 2.06 | 0.93-4.57 | p > 0.05 |
Toxin exposureb (yes/no) | 1.31 | 0.79-2.18 | >0.05 | 0.68 | 0.30-1.56 | p > 0.05 |
Lung cancer in firstdegree relatives (yes/no) | 1.35 | 0.63-2.88 | >0.05 | 1.44 | 0.41-5.06 | p > 0.05 |
CYP1A1((Aa + aa)/AA)c | 1.03 | 0.65-1.62 | >0.05 | 0.83 | 0.42-1.65 | p > 0.05 |
GSTM1(null/power)d | 1.55 | 0.98-2.46 | >0.05 | 1.13 | 0.57-2.24 | p > 0.05 |