Table 2 Moist Snuff and Cancer of the Mouth and Upper Respiratory Sites
From: Tobacco harm reduction: an alternative cessation strategy for inveterate smokers
| Anatomic Site | RR (95%CI) | Studies | Cases/Controls |
|---|---|---|---|
| Oral cavity | 1.1 (0.8–1.6) | 2 | 482/995 |
| Pharynx | 0.7 (0.4–1.4) | 1 | 138/641 |
| Oral cavity + pharynx | 0.7 (0.4–1.2) | 3 | 1682/3931 |
| Larynx | 1.2 (0.9–1.7) | 2 | 544/3201 |
| Oral + pharynx + larynx | --- | --- | |
| All sites | 1.0 (0.8–1.2) | 5 | 2846/4926 |