Exposure | OPMDs (n) | Benign (n) | ORa | 95% CI | ORadj b | 95% CI |
---|---|---|---|---|---|---|
Never smokers | 38 | 99 | 1.0 | --- | 1.0 | --- |
Ever smokers | 48 | 56 | 2.23 | 1.31-3.82 | 2.53 | 1.33-4.80 |
Never smokers | 38 | 99 | 1.0 | --- | 1.0 | --- |
Ex-smokers | 17 | 30 | 1.48 | 0.73-2.98 | 1.47 | 0.67-3.21 |
Current smokers | 31 | 26 | 3.11 | 1.64-5.90 | 4.32 | 1.99-9.38 |
P trend | 0.001 | < 0.001 | ||||
Noncurrent smokers | 55 | 129 | 1.0 | --- | 1.0 | --- |
Current smokers | 31 | 26 | 2.8 | 1.52-5.14 | 3.72 | 1.83-7.56 |
Average cigarette equivalents/day | ||||||
0 | 38 | 99 | 1.0 | --- | 1.0 | --- |
> 0-< 20 | 26 | 27 | 2.51 | 1.30-4.83 | 2.83 | 1.35-5.93 |
20+ | 22 | 29 | 1.98 | 1.01-3.86 | 2.21 | 1.02-4.80 |
P trend | 0.02 | 0.03 | ||||
Pack-year equivalents of smoking | ||||||
0 | 38 | 99 | 1.0 | --- | 1.0 | --- |
> 0-< 15.5 | 21 | 29 | 1.89 | 0.96-3.70 | 2.26 | 1.06-4.83 |
15.5+ | 27 | 27 | 2.61 | 1.36-5.00 | 2.83 | 1.32-6.06 |
P trend | 0.003 | 0.006 | ||||
Age started smoking (Ever smokers only) | ||||||
18+ | 27 | 30 | 1.0 | --- | 1.0 | --- |
< 18 | 21 | 26 | 0.9 | 0.41-1.95 | 0.81 | 0.35-1.91 |