| Age specific | ||||||
|---|---|---|---|---|---|---|
| Age (years) | Lifelong nonsmokers | Current smokers | Relative risk | Rate difference * | ||
| Number of deaths | Death rate * | Number of deaths | Death rate * | |||
| 35-39 | 40 | 80.6 | 22 | 88.8 | 1.1 | 8.2 |
| 40-44 | 93 | 109.3 | 50 | 110.9 | 1.0 | 1.6 |
| 45-49 | 255 | 122.4 | 256 | 252.6 | 2.1 | 130.2 |
| 50-54 | 564 | 182.1 | 501 | 348.5 | 1.9 | 166.4 |
| 55-59 | 927 | 268.2 | 874 | 598.8 | 2.2 | 330.6 |
| 60-64 | 1,401 | 411.4 | 1,140 | 936.3 | 2.3 | 525.0 |
| 65-69 | 1,871 | 666.5 | 1,243 | 1,533.7 | 2.3 | 867.2 |
| 70-74 | 2,216 | 1,073.9 | 1,020 | 2,227.0 | 2.1 | 1,153.1 |
| 75-79 | 2,487 | 1,838.7 | 658 | 3,417.9 | 1.9 | 1,579.1 |
| 80-84 | 2,245 | 3,154.2 | 285 | 4,959.2 | 1.6 | 1,805.0 |
| Total | 12,099 | 6,049 | ||||
| Age standardized to age distribution in 1980 U.S. population | ||||||
| Lifelong nonsmokers | Current smokers | |||||
| Death rate * | 475.0 | 913.5 | ||||
| 95% CI ** | 465.6-484.3 | 885.2-941.8 | ||||
| Relative risk | 1.0 | 1.9 | ||||
| 95% CI | NA§ | 1.9-2.0 | ||||
| Rate difference * | 0 | 438.5 | ||||
| 95% CI | NA | 408.7-468.3 | ||||
Note: Analyses restricted to women aged 35-84 years to maximize stability and validity of results.
Death rate and rate difference, for all causes, per 100,000 person-years.
CI = Confidence interval.
NA = Not applicable. Sources: Thun et al. 1997a, c.
From: Chapter 3. Health Consequences of Tobacco Use Among Women
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