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PLoS One. 2017 Sep 12;12(9):e0184453. doi: 10.1371/journal.pone.0184453. eCollection 2017.

The association of dietary pattern and breast cancer in Jiangsu, China: A population-based case-control study.

Author information

1
Department of Chronic Disease Control, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu, China.
2
Department of Chronic Disease Control, Wuxi Center for Disease Control and Prevention, Wuxi, Jiangsu, China.
3
School of Public Health, Southeast University, Nanjing, Jiangsu, China.
4
Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands.

Abstract

This study aims to examine the association of breast cancer with dietary patterns among Chinese women. A population-based case-control study was conducted in Jiangsu, China. Newly diagnosed primary breast cancer patients were recruited as cases (n = 818). Controls (n = 935), selected from the general population, were frequency matched to cases. A validated food frequency questionnaire was used to assess dietary intake. Dietary patterns were identified by factor analysis and multivariable odds ratios (OR) and 95% confidence intervals (CI) were estimated. Four dietary patterns were identified: salty, vegetarian, sweet and traditional Chinese. The traditional Chinese pattern was found to be robustly associated with a lower risk of breast cancer among both pre- and post-menopausal women (4th vs. 1st quartile: OR for pre- and post-menopausal women was 0.47 and 0.68, respectively). Women with high factor scores of the sweet pattern also showed a decreased risk of breast cancer (4th vs. 1st quartile: OR for pre- and post-menopausal women was 0.47 and 0.68, respectively). No marked association was observed between a vegetarian pattern or a salty pattern and breast cancer. These findings indicate that dietary patterns of the traditional Chinese and the sweet may favorably associate with the risk of breast cancer among Chinese women.

PMID:
28898273
PMCID:
PMC5595317
DOI:
10.1371/journal.pone.0184453
[Indexed for MEDLINE]
Free PMC Article

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