Multivariate adjusted hazard ratios2-150 for all cause and cause specific mortality during 1964–89 among those who quit between 1959–84 compared with continuous smokers
| Cause of death | No of deaths | Hazard ratio (95% CI) | p value | |
|---|---|---|---|---|
| Quit 1959–84 | Continuous smokers | |||
| All cause | 181 | 462 | 0.71 (0.50 to 1.00) | 0.049 |
| Cardiovascular disease | 88 | 256 | 0.60 (0.37 to 0.98) | 0.043 |
| Cancer | 45 | 128 | 0.58 (0.30 to 1.12) | 0.105 |
| Lung cancer | 13 | 72 | 0.50 (0.14 to 1.77) | 0.281 |
| Other cancer | 32 | 56 | 0.62 (0.28 to 1.33) | 0.220 |
| Respiratory diseases2-151 | 22 | 24 | 2.51 (0.65 to 9.70) | 0.181 |
| Other causes | 26 | 54 | 0.91 (0.38 to 2.18) | 0.833 |
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↵2-150 From Cox's proportional, time dependent hazards regression model adjusted for age, baseline pulmonary function, baseline amount of smoking, body mass index, diastolic blood pressure, and total cholesterol. Continuous smokers as a reference group.
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↵2-151 Number of deaths among those who quit and continuous smokers from COPD =12 and 10, from pneumonia = 7 and 11, and from other causes = 3 and 3, respectively.
