From: Brain tumours and cigarette smoking: analysis of the INTERPHONE Canada case–control study
Sex/smoking stratum | Glioma | Meningioma | ||
---|---|---|---|---|
Ca/Co | OR (95% CI) | Ca/Co | OR (95% CI) | |
Males and females combined | ||||
Never regular smokers | 78/311 | 1 | 42/311 | 1 |
Ever regular smokers | 88/337 | 0.96 (0.67-1.38) | 51/337 | 1.09 (0.69-1.72) |
>0 to <20 years | 51/177 | 1.05 (0.70-15.96) | 25/177 | 1.10 (0.64-1.89) |
≥ 20 years | 37/160 | 0.84 (0.53-1.34) | 26/160 | 1.08 (0.62-1.88) |
>0 to <15 pack-years | 43/173 | 0.97 (0.63-1.49) | 22/173 | 0.93 (0.53-1.62) |
≥15 pack-years | 45/164 | 0.95 (0.61-1.48) | 29/164 | 1.28 (0.75-2.20) |
Males only | ||||
Never regular smokers | 41/140 | 1 | 9/140 | 1 |
Ever regular smokers | 64/177 | 1.28 (0.82-2.02) | 17/177 | 1.34 (0.57-3.17) |
>0 to <20 years | 37/88 | 1.36 (0.80-2.30) | 16/89 | 1.47 (0.56-3.90) |
≥ 20 years | 27/89 | 1.02 (0.57-1.82) | 18/71 | 1.21 (0.44-3.36) |
>0 to <15 pack-years | 30/75 | 1.32 (0.75-2.30) | 17/98 | 1.00 (0.32-3.11) |
≥15 pack-years | 34/102 | 1.10 (0.63-1.89) | 17/62 | 1.61 (0.63-4.13) |
Females only | ||||
Never regular smokers | 37/171 | 1 | 33/171 | 1 |
Ever regular smokers | 24/160 | 0.73 (0.41-1.28) | 34/160 | 0.98 (0.57-1.68) |
>0 to <20 years | 14/89 | 0.78 (0.40-1.53) | 9/88 | 0.99 (0.51-1.92) |
≥ 20 years | 10/71 | 0.66 (0.31-1.42) | 8/89 | 0.98 (0.50-1.89) |
>0 to <15 pack-years | 13/98 | 0.68 (0.34-1.36) | 5/75 | 0.93 (0.48-1.78) |
≥15 pack-years | 11/62 | 0.78 (0.37-1.65) | 12/102 | 1.05 (0.53-2.08) |