Table 2

Smoking-Adjusted Summary Relative Risks (RR) for Smokeless Tobacco Use and Other Cancers

Site (number of studies)

RR, (95% Confidence Interval)

Stomach (8)

1.03 (0.88 - 1.20)

Any Digestive (5)

0.86 (0.59 - 1.25)

Larynx (2)

1.34 (0.61 - 2.95)

Prostate (4)

1.29 (1.07 - 1.55)

Bladder (10)

0.95 (0.71 - 1.25)

Kidney (5)

1.09 (0.69 - 1.71)

Lymphoma (3)

1.35 (0.62 - 2.94)

All Cancer (7)

0.98 (0.84 - 1.15)

Source: Lee and Hamling [4].

Rodu Harm Reduction Journal 2011 8:19   doi:10.1186/1477-7517-8-19