The Association between Dairy Intake and Breast Cancer in Western and Asian Populations: A Systematic Review and Meta-Analysis

Jiajie Zang; Meihua Shen; Sufa Du; Tianwen Chen; Shurong Zou

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자료유형: 학술저널

저자정보: Jiajie Zang (Shanghai Municipal Center for Disease Control and Prevention) Meihua Shen (Shanghai Armed Policed General Troops Hospital) Sufa Du (University of North Carolina at Chapel Hill) Tianwen Chen (Affiliated Nanshan Hospital of Guangdong Medical College) Shurong Zou (Shanghai Municipal Center for Disease Control and Prevention)

저널정보: 한국유방암학회 Journal of Breast Cancer Journal of Breast Cancer Vol.18 No.4

발행연도: 2015.1

수록면: 313 - 322 (10page)

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Purpose: To date, studies investigating the association between dairy consumption and breast cancer in women have produced conflicting results. As diet is an important, modifiable factor affecting cancer development, the aim of this study was to examine the association between dairy consumption and breast cancer risk. Methods: PubMed, Embase, and Cochrane Library databases were searched with a priority for prospective cohort studies. Case-control studies were also considered in case of the absence of a cohort study. Results: We analyzed 22 prospective cohort studies (1,566,940 participants) and five case-control studies (33,372 participants). High and modest dairy consumption (>600 and 400–600 g/day, respectively) significantly reduced the risk of breast cancer compared with low dairy consumption (<400 g/day; risk ratio [RR], 0.90, 95% confidence interval [CI], 0.83–0.98, and RR, 0.94, 95% CI, 0.91–0.98, respectively). A significant linear relationship between dairy consumption and breast cancer risk was found on dose-response analysis. Subgroup analysis found that yogurt (RR, 0.91; 95% CI, 0.83–0.99) and low-fat dairy (RR, 0.85; 95% CI, 0.75–0.96) reduced the risk of breast cancer, while other dairy product types did not. A reduced risk was observed for people in the United States (RR, 0.91; 95% CI, 0.83–0.99) and in those followed for ≥10 years (RR, 0.90; 95% CI, 0.81–0.99). Additionally, the highest level of dairy consumption among Asians was associated with a reduced risk of breast cancer (odds ratio, 0.74; 95% CI, 0.62–0.88). Conclusion: Dairy consumption was inversely associated with the risk of developing breast cancer and this effect was dependent on the dose, dairy-type, and time.

참고문헌 (30)

참고문헌 신청

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