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Factors Associated With Alcohol Intake in Patients With Newly Diagnosed Breast Cancer
Sanjna Rajput1, Robert A Vierkant2, Nicole L Larson2
1Mayo Clinic School of Graduate Medical Education, Internal Medicine Residency, Mayo Clinic, Rochester, Minnesota, USA.
Cancer Medicine
|June 17, 2026
Summary
Alcohol consumption patterns before breast cancer diagnosis varied by demographics and lifestyle. Younger, White, financially secure, exercising, and smoking individuals reported higher alcohol intake, informing prevention strategies.
Area of Science:
- Oncology
- Epidemiology
- Public Health
Background:
- Alcohol intake is a known modifiable risk factor for breast cancer.
- Understanding alcohol consumption patterns in breast cancer patients is crucial for prevention.
- This study investigates demographic and clinical factors associated with alcohol intake in breast cancer patients.
Purpose of the Study:
- To identify predictors of alcohol intake in women diagnosed with breast cancer.
- To explore the relationship between lifestyle, demographics, and alcohol consumption prior to diagnosis.
- To inform targeted breast cancer prevention and counseling efforts.
Main Methods:
- Surveyed 2030 breast cancer patients (Stage 0-3) on alcohol intake in the 10 years preceding diagnosis.
- Categorized alcohol intake into <1, 1-4, 5-14, and ≥15 drinks per week.
- Analyzed demographic, behavioral, and clinical data using univariate and multivariate logistic regression.
Main Results:
- 29% consumed <1 drink/week, 48% consumed 1-4 drinks/week, 20% consumed 5-14 drinks/week, 3% consumed ≥15 drinks/week.
- Lower alcohol intake was associated with older age at diagnosis, non-White race, financial difficulty, and never smoking.
- Higher exercise levels correlated with increased alcohol intake; tumor characteristics and BRCA status showed no association.
Conclusions:
- Alcohol consumption before breast cancer diagnosis is linked to younger age, White race, financial security, exercise, and smoking.
- Findings can guide alcohol intake-related breast cancer prevention initiatives.
- Identified patient subgroups may benefit from tailored counseling at diagnosis.
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