NDLI: Alcohol intake from early adulthood to midlife and mammographic density

Content Provider	Springer Nature Link
Author	McDonald, Jasmine A. Michels, Karin B. Cohn, Barbara A. Flom, Julie D. Tehranifar, Parisa Terry, Mary Beth
Copyright Year	2016
Abstract	Moderate alcohol consumption (15 g/day) has been consistently associated with increased breast cancer risk; however, the association between alcohol and mammographic density, a strong marker of breast cancer risk, has been less consistent. Less is known about the effect of patterns of alcohol intake across the lifecourse.Using the Early Determinants of Mammographic Density study, an adult follow-up of women born in two US birth cohorts (n = 697; Collaborative Perinatal Project in Boston and Providence sites and the Childhood Health and Development Studies in California), we examined the association between alcohol intake in early adulthood (ages 20–29 years) and at time of interview and mammographic density (percent density and total dense area). We report the difference between nondrinkers and three levels of alcohol intake. We considered confounding by age at mammogram, body mass index, geographic site, race/ethnicity, and reproductive characteristics.Seventy-nine percent of women reported ever consuming alcohol. Compared to nondrinkers in early adulthood, we observed an inverse association between >7 servings/week and percent density in fully adjusted models (β = −5.1, 95 % CI −8.7, −1.5; p for trend = <0.01). Associations with dense area were inverse for the highest category of drinking in early adulthood but not statistically significant (p for trend = 0.15). Compared to noncurrent drinkers, the association for current intake of >7 servings/week and percent density was also inverse (β = −3.1, 95 % CI −7.0, 0.8; p for trend = 0.01). In contrast, moderate alcohol intake (>0–≤7 servings/week) in either time period was positively associated with dense area; but associations were not statistically significant in fully adjusted models.Our study does not lend support to the hypothesis that the positive association between alcohol intake and breast cancer risk is through increasing mammographic density.
Starting Page	493
Ending Page	502
Page Count	10
File Format	PDF
ISSN	09575243
Journal	Cancer Causes & Control
Volume Number	27
Issue Number	4
e-ISSN	15737225
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-02-01
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mammographic density Percent density Dense area Alcohol intake Cancer Research Biomedicine general Oncology Public Health Epidemiology Hematology
Content Type	Text
Resource Type	Article
Subject	Cancer Research Oncology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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