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目的探讨运动的量、频率对女性乳腺癌发病的影响程度。方法采用以人群为基础的回顾性病例对照研究方法,调查对象是北京地区35~60岁女性,共1210例,其中确诊乳腺癌患者(n=429)和健康人群对照(n=781),采用问卷调查的形式。结果采用Logistic回归模型分析得出运动中无论是休闲、职业运动皆与乳腺癌有关,二者呈现一定的剂量反应关系。中度运动的频率、持续时间与乳腺癌的发生存在量的关系。中度适量、持久的运动可有降低乳腺癌风险的作用。结论适宜运动的量、频率有降低女性乳腺癌危险性的作用,对降低乳腺癌的发病起到预防作用。
Objective To investigate the effect of exercise volume and frequency on the incidence of female breast cancer. Methods A population-based retrospective case-control study was conducted in Beijing. A total of 1210 women aged 35-60 years were enrolled in this study. Among them, breast cancer was diagnosed (n = 429) and healthy controls (n = 781) Form of questionnaire. Results Logistic regression analysis showed that both sports and occupational movements were related to breast cancer, showing a dose-response relationship. The frequency of moderate exercise, duration, and the presence of breast cancer incidence. Moderate moderate, long-lasting exercise can reduce the risk of breast cancer. Conclusions The amount and frequency of appropriate exercise have the effect of reducing the risk of breast cancer in women and preventing the incidence of breast cancer.