Coffee Consumption and Breast Cancer Risk
Author Information
Author(s): L.J. Vatten, K. Solvoll, E.B. L0ken
Primary Institution: University Hospital, Norway
Hypothesis
Coffee consumption may be associated with the risk of breast cancer.
Conclusion
The study suggests that coffee consumption reduces the risk of breast cancer in lean women, while it may increase the risk in obese women.
Supporting Evidence
- 152 cases of breast cancer were diagnosed among the participants during the study.
- Women drinking 5 or more cups of coffee per day had a 50% reduced risk of breast cancer compared to those drinking 2 cups or less.
- The interaction between coffee intake and body mass index was statistically significant.
- Women with a BMI less than 24 showed an inverse relationship between coffee intake and breast cancer risk.
Takeaway
Drinking coffee might help lean women avoid breast cancer, but it could be risky for heavier women.
Methodology
The study followed 14,593 Norwegian women aged 35-51 over 12 years, analyzing coffee consumption and breast cancer incidence.
Potential Biases
Potential confounding variables related to breast cancer risk were not fully accounted for.
Limitations
The study lacked information on several known breast cancer risk factors.
Participant Demographics
Norwegian women aged 35-51, with a mean follow-up of 12 years.
Statistical Information
P-Value
0.02
Confidence Interval
0.3 and 0.9
Statistical Significance
p<0.05
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