Table 2 Incidence of and RR (95% CI) for MI and stroke in relation to snuff in men
From: Swedish snuff and incidence of cardiovascular disease. A population-based cohort study
Smokeless tobacco (snuff) | ||||
|---|---|---|---|---|
No N = 9736 | Yes N = 737 | P value | ||
MI n (%) | All | 511 (5.2) | 33 (4.5) | |
Never smokers | 114 (3.9) | 4 (6.0) | ||
Ex-smokers | 180 (4.5) | 15 (3.6) | ||
Smokers | 217 (7.8) | 14 (5.6) | ||
Age-adjusted RR | All | 1.0 | 0.89 (0.7–1.2) | 0.408 |
Never smokers | 1.0 | 0.61 (0.2–1.5) | 0.280 | |
Ex-smokers | 1.0 | 0.79 (0.5–1.2) | 0.251 | |
Smokers | 1.0 | 1.2 (0.8–1.9) | 0.393 | |
Risk factor adjusted* | All | 1.0 | 1.05 (0.8–1.4) | 0.740 |
Never smokers | 1.0 | 0.75 (0.3–1.8) | 0.532 | |
Ex-smokers | 1.0 | 0.81 (0.5–1.2) | 0.304 | |
Smokers | 1.0 | 1.31 (0.8–2.0) | 0.236 | |
Stroke n (%) | All | 518 (5.3) | 35 (3.5) | |
Never smokers | 136 (4.6) | 4 (6.0) | ||
Ex-smokers | 211 (5.3) | 18 (4.3) | ||
Smokers | 171 (6.2) | 13 (5.2) | ||
Age-adjusted RR | All | 1.0 | 0.88 (0.6–1.2) | 0.470 |
Never smokers | 1.0 | 0.54 (0.2–1.8) | 0.226 | |
Ex-smokers | 1.0 | 0.91 (0.6–1.5) | 0.719 | |
Smokers | 1.0 | 1.03 (0.6–1.8) | 0.929 | |
Risk factor adjusted* | All | 1.0 | 0.97 (0.7–1.4) | 0.878 |
Never smokers | 1.0 | 0.59 (0.2–1.5) | 0.311 | |
Ex-smokers | 1.0 | 0.88 (0.5–1.4) | 0.632 | |
Smokers | 1.0 | 1.13 (0.6–2.0) | 0.663 | |