Table 6 Relative risk* (95% CI) of death from all causes in reducers at the second examination who attended the third examination, by group at the third examination, with sustained heavy smokers as reference,in both sexes.
| Reducers at second examination, group at third examination | Sustained heavy smokers from second to the third examination | ||||
|---|---|---|---|---|---|
| New quitters | Sustained reducers | Increasers | |||
| Relative risk | 0.47 (0.21 to 1.04) | 1.16 (0.73 to 1.85) | 1.23 (0.90 to 1.69) | 1.00 | |
| Participants (n = 271)† | 37 | 69 | 165 | 3574 | |
| Number of deaths | 6 | 18 | 42 | 818 | |
| Men (%) | 86 | 75 | 70 | 72 | |
| Mean (SD) daily cigarette consumption | |||||
| First examination | 21.8 (6.4) | 23.6 (8.8) | 20.6 (6.7) | 18.0 (4.6) | |
| Second examination | 9.1 (3.3) | 10.0 (4.0) | 9.2 (3.6) | 17.5 (6.0) | |
| Third examination | 0 | 10.4 (4.8) | 17.2 (6.4) | 18.3 (6.6) | |
*Adjusted for sex.
†Participants not reporting cardiovascular disease, diabetes or treatment for hypertension, or symptoms of angina pectoris or atherosclerosis obliterans. n = 271 aged 20–49 years at initial screening.