Table 1

Chewing Tobacco and Cancer of the Mouth and Upper Respiratory Sites

    Anatomic Site

    RR (95%CI)

    Studies

    Cases/Controls


Oral cavity

0.6 (0.3–1.3)

2

283/296

Pharynx

----

---

Oral cavity + pharynx

1.1 (0.8–1.6)

4

2113/4454

Larynx

1.3 (0.9–1.8)

1

387/2560

Oral + pharynx + larynx

1.7 (1.2–2.4)

2

362/457

All sites

1.2 (1.0–1.4)

8

3145/5245


Rodu and Godshall Harm Reduction Journal 2006 3:37   doi:10.1186/1477-7517-3-37

Open Data