RESULTS The prevalence of breast disease and mastalgia were 61.91% and 30.71%, repectively, and both prevalences in urban areas were higher than those in rural areas.

• 91%25、30。71%25,市区均高于县城。多因素分析显示,乳腺疾病的主要影响因素为文化程度、肥胖指数妊娠次数、生育胎数。