| Status at the second examination, by smoking category | Percentage smoking at the third examination | |||
| Men | Women | |||
| %* | n† | %* | n† | |
| Sustained never smokers | 1.2 | 3966 | 1.6 | 7759 |
| “Starters” | 58.8 | 68 | 71.7 | 120 |
| Sustained ex-smokers | 4.9 | 2338 | 6.8 | 1234 |
| “Resumers” | 67.0 | 442 | 75.1 | 405 |
| Sustained smokers | 86.1 | 6210 | 89.8 | 5527 |
| “Quitters” | 28.2 | 1474 | 37.0 | 888 |
Percentage smoking at the third examination and number in each category.
*Percentage smoking in the category; †no. of participants in the category.