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Food and botanical groupings and risk of breast cancer: a case-control study in Shanghai, China.
Cancer Epidemiol Biomarkers Prev. 2005 Jan; 14(1):81-90.CE

Abstract

Breast cancer incidence rates more than double in Chinese women as they migrate from China to Hong Kong to the United States, suggesting that environmental factors contribute to the international variation in breast cancer incidence. Several dietary factors, which differ between the United States and the Chinese population, including intake of soy, meat, and fruits and vegetables, have been suggested to affect breast cancer risk. This report describes results from a case-control study of diet and risk of breast cancer nested in a randomized trial of breast self exam in Shanghai, China. Participating breast cancer cases (n = 378) and frequency age-matched controls (n = 1,070) completed a comprehensive food frequency questionnaire and a risk factor questionnaire. After adjustment for age, total energy intake, and total years of breast-feeding, women in the highest quartile of fruit and vegetable intake (> or =3.8 servings/d) were significantly less likely to have breast cancer (odds ratio, 0.48; 95% confidence interval, 0.29-0.78) as compared with women in the lowest quartile of intake (< or =2.3 servings/d). Egg consumption was also significantly inversely associated with risk of breast cancer (odds ratio for > or =6.0 eggs/wk versus < or =2.0 eggs/wk is 0.56; 95% confidence interval, 0.35-0.91). There was no difference in soy consumption between cases and controls. None of the associations with a single botanical family explained the strong inverse relationship between fruits and vegetables and breast cancer risk. These results provide additional evidence in support of the important role of fruits and vegetables in breast cancer prevention.

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Authors+Show Affiliations

Shannon J
Oregon Health and Sciences University, Public Health and Preventive Medicine, 3181 Southwest Jackson Park Road, CSB669, Portland, OR 97239, USA. shannoja@ohsu.edu
Ray R
No affiliation info available
Wu C
No affiliation info available
Nelson Z
No affiliation info available
Gao DL
No affiliation info available
Li W
No affiliation info available
Hu W
No affiliation info available
Lampe J
No affiliation info available
Horner N
No affiliation info available
Satia J
No affiliation info available
Patterson R
No affiliation info available
Fitzgibbons D
No affiliation info available
Porter P
No affiliation info available
Thomas D
No affiliation info available

MeSH

AdultBreast NeoplasmsBreast Self-ExaminationCase-Control StudiesChinaConfounding Factors, EpidemiologicDietFemaleFruitHumansIncidenceLogistic ModelsMiddle AgedRisk FactorsSurveys and QuestionnairesVegetables

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

15668480

Citation

Shannon, Jackilen, et al. "Food and Botanical Groupings and Risk of Breast Cancer: a Case-control Study in Shanghai, China." Cancer Epidemiology, Biomarkers & Prevention : a Publication of the American Association for Cancer Research, Cosponsored By the American Society of Preventive Oncology, vol. 14, no. 1, 2005, pp. 81-90.
Shannon J, Ray R, Wu C, et al. Food and botanical groupings and risk of breast cancer: a case-control study in Shanghai, China. Cancer Epidemiol Biomarkers Prev. 2005;14(1):81-90.
Shannon, J., Ray, R., Wu, C., Nelson, Z., Gao, D. L., Li, W., Hu, W., Lampe, J., Horner, N., Satia, J., Patterson, R., Fitzgibbons, D., Porter, P., & Thomas, D. (2005). Food and botanical groupings and risk of breast cancer: a case-control study in Shanghai, China. Cancer Epidemiology, Biomarkers & Prevention : a Publication of the American Association for Cancer Research, Cosponsored By the American Society of Preventive Oncology, 14(1), 81-90.
Shannon J, et al. Food and Botanical Groupings and Risk of Breast Cancer: a Case-control Study in Shanghai, China. Cancer Epidemiol Biomarkers Prev. 2005;14(1):81-90. PubMed PMID: 15668480.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Food and botanical groupings and risk of breast cancer: a case-control study in Shanghai, China. AU - Shannon,Jackilen, AU - Ray,Roberta, AU - Wu,Chenyuan, AU - Nelson,Zakia, AU - Gao,Dao Li, AU - Li,Wenjin, AU - Hu,Wei, AU - Lampe,Johanna, AU - Horner,Neilann, AU - Satia,Jessie, AU - Patterson,Ruth, AU - Fitzgibbons,Dawn, AU - Porter,Peggy, AU - Thomas,David, PY - 2005/1/26/pubmed PY - 2005/4/21/medline PY - 2005/1/26/entrez SP - 81 EP - 90 JF - Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology JO - Cancer Epidemiol Biomarkers Prev VL - 14 IS - 1 N2 - Breast cancer incidence rates more than double in Chinese women as they migrate from China to Hong Kong to the United States, suggesting that environmental factors contribute to the international variation in breast cancer incidence. Several dietary factors, which differ between the United States and the Chinese population, including intake of soy, meat, and fruits and vegetables, have been suggested to affect breast cancer risk. This report describes results from a case-control study of diet and risk of breast cancer nested in a randomized trial of breast self exam in Shanghai, China. Participating breast cancer cases (n = 378) and frequency age-matched controls (n = 1,070) completed a comprehensive food frequency questionnaire and a risk factor questionnaire. After adjustment for age, total energy intake, and total years of breast-feeding, women in the highest quartile of fruit and vegetable intake (> or =3.8 servings/d) were significantly less likely to have breast cancer (odds ratio, 0.48; 95% confidence interval, 0.29-0.78) as compared with women in the lowest quartile of intake (< or =2.3 servings/d). Egg consumption was also significantly inversely associated with risk of breast cancer (odds ratio for > or =6.0 eggs/wk versus < or =2.0 eggs/wk is 0.56; 95% confidence interval, 0.35-0.91). There was no difference in soy consumption between cases and controls. None of the associations with a single botanical family explained the strong inverse relationship between fruits and vegetables and breast cancer risk. These results provide additional evidence in support of the important role of fruits and vegetables in breast cancer prevention. SN - 1055-9965 UR - https://www.unboundmedicine.com/medline/citation/15668480/Food_and_botanical_groupings_and_risk_of_breast_cancer:_a_case_control_study_in_Shanghai_China_ L2 - http://cebp.aacrjournals.org/cgi/pmidlookup?view=long&amp;pmid=15668480 DB - PRIME DP - Unbound Medicine ER -