Dietary Fibre and Large Bowel Cancer Mortality in Britain
Author Information
Author(s): S.A. Bingham, D.R.R. Williams, J.H. Cummings
Primary Institution: Medical Research Council & University of Cambridge
Hypothesis
Does dietary fibre consumption relate to large bowel cancer mortality?
Conclusion
Dietary fibre intake in Britain is lower than previously thought, and certain components of dietary fibre show significant inverse correlations with colon cancer mortality.
Supporting Evidence
- Average dietary fibre intake was found to be 13.7 g day-1, lower than previous estimates.
- Significant inverse correlations were found between colon cancer mortality and intakes of uronic acids and cellulose.
- The previous study suggested a strong correlation with the pentose fraction, which was not supported in this analysis.
Takeaway
Eating more dietary fibre might help lower the risk of colon cancer, but people in Britain are eating less than we thought.
Methodology
The study used regional dietary fibre intake data and compared it with cancer mortality rates, employing standardised methods for analysis.
Potential Biases
Potential bias due to reliance on historical dietary data and the accuracy of food composition tables.
Limitations
The study's findings may be limited by the accuracy of dietary fibre measurement methods and the regional differences in dietary habits.
Participant Demographics
The study analyzed data from various regions in Britain, focusing on dietary habits and cancer mortality rates.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.05
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