Risk Factors for Breast Cancer Among Chinese Women: A 10-Year Nationwide Multicenter Cross-Sectional Study
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- Lee Hui
- West China School of Public Health, Sichuan University
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- Li Jia-Yuan
- West China School of Public Health, Sichuan University
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- Fan Jin-Hu
- Department of Cancer Epidemiology, Cancer Institute & Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College
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- Li Jing
- West China School of Public Health, Sichuan University Department of Cancer Epidemiology, Cancer Institute & Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College
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- Huang Rong
- West China School of Public Health, Sichuan University Department of Cancer Epidemiology, Cancer Institute & Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College
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- Zhang Bao-Ning
- Center of Breast Disease, Cancer Institute & Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College
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- Zhang Bin
- Department of Breast Surgery, Liaoning Cancer Hospital
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- Yang Hong-Jian
- Department of Breast Surgery, Zhejiang Cancer Hospital
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- Xie Xiao-Ming
- Department of Breast Oncology, Sun Yat-Sen University Cancer Center
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- Tang Zhong-Hua
- Department of Breast-Thyroid Surgery, Xiangya Second Hospital, Central South University
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- Li Hui
- Department of Breast Surgery, Second People’s Hospital of Sichuan Province
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- He Jian-Jun
- Department of Oncosurgery, First Affiliated Hospital of Medical College, Xi’an Jiao Tong University
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- Wang Qiong
- West China School of Public Health, Sichuan University
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- Huang Yuan
- West China School of Public Health, Sichuan University
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- Qiao You-Lin
- Department of Cancer Epidemiology, Cancer Institute & Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College
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- Pang Yi
- West China School of Public Health, Sichuan University
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抄録
Background: The characteristics of established risk factors for breast cancer may vary among countries. A better understanding of local characteristics of risk factors may help in devising effective prevention strategies for breast cancer.<BR>Methods: Information on exposures to risk factors was collected from the medical charts of 4211 women with breast cancer diagnosed during 1999–2008. The distributions of these exposures among regions, and by menopausal status and birth period, were compared with the χ2 test. Crude associations between the selected factors and breast cancer were estimated using the cases in the present study and a representative control population, which was selected from qualified published studies.<BR>Results: As compared with cases from less developed regions, those from more developed regions were significantly more likely to be nulliparous, had fewer childbirths (P < 0.05), and were less likely to have breastfed (P = 0.08). As compared with premenopausal cases, postmenopausal cases were more likely to be overweight and to have breastfed and had more childbirths (P < 0.05). The number of live births and rate of breastfeeding decreased in relation to birth period (P for trends <0.001). Overweight, late menopause, and family history of breast cancer were significantly associated with breast cancer among Chinese women.<BR>Conclusions: Breast cancer incidence was associated with nulliparity and history of breastfeeding. Population attributable risks should be assessed, especially for more developed areas and young women. The effects of body mass index, age at menopause, and family history of breast cancer should be given priority during assessment of breast cancer risk among Chinese women.
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ Ｅｐｉｄｅｍｉｏｌｏｇｙ
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Ｊｏｕｒｎａｌ ｏｆ Ｅｐｉｄｅｍｉｏｌｏｇｙ 24 (1), 67-76, 2014
日本疫学会