Variable | Unadjusted | P-value # | Adjusted * | P-value # |
---|---|---|---|---|
OR (95% CI) | Â | OR (95% CI) | Â | |
Frequency of smoking | Â | Â | Â | Â |
Chain/hourly smoking | 3.19 (2.2-4.7) | Â | 2.97 (1.9-4.6) | Â |
Daily smoking | 2.18 (1.7-2.8) | <0.001 | 2.06 (1.5-2.8) | <0.001 |
Occasional smoking | 1.79 (0.9-3.7) | Â | 1.67 (0.8-3.5) | Â |
Non-smokers | 1 | Â | 1 | Â |
Duration of smoking | Â | Â | Â | Â |
1-5 years | 2.13 (1.6-2.8) | Â | 2.13 (1.5-2.9) | Â |
6-15 years | 2.12 (1.1-4.1) | <0.001 | 1.87 (0.9-3.7) | <0.001 |
>15 years | 2.54 (1.9-3.4) | Â | 2.32 (1.6-3.2) | Â |
Non-smokers | 1 | Â | 1 | Â |