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J Natl Cancer Inst. 1998 Feb 4;90(3):226-33.

Diet during adolescence and risk of breast cancer among young women.

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  • 1Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20892-7366, USA.

Abstract

BACKGROUND:

A variety of breast cancer risk factors pertain to a woman's adolescence and may be related to nutritional influences. We assessed risk of early-onset breast cancer related to diet during adolescence in a case-control study.

METHODS:

Study participants were accrued from the following three geographical regions covered by cancer registries: Atlanta, GA; Seattle/Puget Sound, WA; and central New Jersey. Case patients (n = 1647) were newly diagnosed with breast cancer, and control subjects (n = 1501) were identified by random-digit-dialing techniques. In an interview, each subject was asked to recall the frequency of consumption and portion size of 29 key food items at ages 12-13 years. Mothers of a subset of respondents completed questionnaires, and food groups were recalculated after removal of foods with poor agreement between mother and daughter. Logistic regression analyses were used to calculate odds ratios and 95% confidence intervals.

RESULTS:

When high versus low quartiles of consumption were compared, there was a suggestion of a reduced risk associated with high consumption of fruits and vegetables, although this finding was not statistically significant. Slight increases (of borderline statistical significance) in risk of breast cancer were found for intake of chicken or high-fat meat. Intake of animal fat, high-fat foods, high-fat snacks and desserts, or dairy products during adolescence had no apparent influence on breast cancer risk. Removal of foods suspected to be poorly recalled by the daughters did not change any of the risk estimates.

CONCLUSION:

These data do not provide evidence for a strong influence of dietary intakes during adolescence on risk of early-onset breast cancer.

PMID:
9462680
[PubMed - indexed for MEDLINE]
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