Lifestyle Factors and Brain Tumors in Women
Author Information
Author(s): V S Benson, K Pirie, J Green, D Casabonne, V Beral
Primary Institution: Cancer Epidemiology Unit, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, UK
Hypothesis
What is the relationship between lifestyle factors and the risk of developing glioma and meningioma tumors?
Conclusion
Increasing height and body mass index (BMI) are associated with a higher incidence of glioma and meningioma tumors in women.
Supporting Evidence
- 1563 women were diagnosed with primary central nervous system tumors during the study.
- Height was associated with a 20% increased risk per 10 cm increase.
- BMI was associated with a 20% increased risk per 10 kg/m² increase.
- Smoking status and alcohol intake were not associated with tumor risk.
- Follow-up was complete for over 99% of the cohort population.
Takeaway
Tall women and those with higher body weight are more likely to develop certain types of brain tumors.
Methodology
The study analyzed data from a cohort of 1.3 million women, examining the relationship between lifestyle factors and the incidence of brain tumors over several years.
Potential Biases
Self-reported data may lead to systematic and random errors in the measurements of height and weight.
Limitations
The study relied on self-reported data for height and weight, which may introduce errors.
Participant Demographics
The study included middle-aged women aged between 50 and 65 years.
Statistical Information
P-Value
p<0.001 for height; p=0.02 for BMI
Confidence Interval
95% CI=1.10–1.30 per 10 cm increase in height; 95% CI=1.03–1.34 per 10 kg/m² increase in BMI
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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