Smokeless Tobacco and Pancreatic Cancer Risk
Author Information
Author(s): Sponsiello-Wang Zheng, Weitkunat Rolf, Lee Peter N
Primary Institution: Philip Morris Products S.A, PMI Research & Development
Hypothesis
Does smokeless tobacco use increase the risk of pancreatic cancer in Europe and North America?
Conclusion
The data suggest a possible effect of smokeless tobacco on pancreatic cancer risk, but more evidence is needed.
Supporting Evidence
- Nine North American and two Scandinavian studies were identified.
- Seven studies were included in meta-analyses.
- The random-effects estimate for ever smokeless tobacco use was 1.03.
- Estimates varied between cohort studies and case-control studies.
Takeaway
This study looked at whether using smokeless tobacco can cause pancreatic cancer. It found some hints that it might, but we need more research to be sure.
Methodology
A systematic review and meta-analysis of epidemiological studies relating smokeless tobacco use to pancreatic cancer.
Potential Biases
Publication bias may exist, with some negative studies not being presented.
Limitations
The studies had various weaknesses, including few exposed cases and reliance on baseline exposure data.
Participant Demographics
The studies primarily involved males, with some including females.
Statistical Information
P-Value
0.014
Confidence Interval
0.71–1.49
Statistical Significance
p=0.014
Digital Object Identifier (DOI)
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