Mortality from lung cancer and from all causes in relation to smoking status, 1958–2000
| Smoking status | Obs | Exp† | SMR | (95% CI) |
|---|---|---|---|---|
| *p<0.05, **p<0.01, () indicates deficit. | ||||
| †Based on mortality rates for England and Wales. | ||||
| ‡Includes 80 ex-smokers (see text). | ||||
| Lung cancer | ||||
| Non-smoker (n = 139) | 0 | 2.1 | 0 | – |
| Smoker‡ (n = 278) | 16 | 6.8 | 236** | (135 to 383) |
| n/k (n = 395) | 12 | 11.3 | 106 | (55 to 185) |
| All causes | ||||
| Non-smoker (n = 139) | 12 | 21.5 | 56(*) | (29 to 98) |
| Smoker‡ (n = 278) | 45 | 67.5 | 67(**) | (49 to 89) |
| n/k (n = 395) | 134 | 109.4 | 123* | (103 to 145) |