Background:There is growing awareness of breast density in women attending breast cancer screening; however, it is unclear whether this awareness is associated with increased knowledge. This study aims to evaluate breast density knowledge among Australian women attending breast cancer screening.Method:This cross-sectional study was conducted on women undergoing breast cancer screening at The Queen Elizabeth Hospital Breast/Endocrine outpatient department. Participants were provided with a questionnaire to assess knowledge, awareness, and desire to know their own breast density.Result:Of the 350 women who participated, 61% were familiar with ‘breast density’ and 57% had ‘some knowledge’. Prior breast density notification (OR = 4.99, 95% CI = 2.76, 9.03;p= 0.004), awareness (OR = 4.05, 95% CI = 2.57, 6.39;p= 0.004), younger age (OR = 0.97, 95% CI = 0.96, 0.99;p= 0.02), and English as the language spoken at home (OR = 3.29, 95% CI = 1.23, 8.77;p= 0.02) were independent predictors of ‘some knowledge’ of breast density. A significant proportion of participants (82%) expressed desire to ascertain their individual breast density.Conclusions:While knowledge of breast density in this Australian cohort is generally quite low, we have identified factors associated with increased knowledge. Further research is required to determine optimal interventions to increase breast density knowledge.
背景：参与乳腺癌筛查的女性对乳腺密度的认知日益增强，但尚不清楚这种认知是否与知识水平的提升相关。本研究旨在评估参与乳腺癌筛查的澳大利亚女性对乳腺密度的了解程度。 方法：本横断面研究以伊丽莎白女王医院乳腺/内分泌科门诊接受乳腺癌筛查的女性为对象。通过问卷调查评估参与者对乳腺密度的认知水平、知晓程度及了解自身乳腺密度的意愿。 结果：在350名参与者中，61%的女性熟悉“乳腺密度”这一概念，57%具备“一定知识”。既往接受过乳腺密度告知（OR = 4.99，95% CI = 2.76-9.03；p = 0.004）、对乳腺密度有认知（OR = 4.05，95% CI = 2.57-6.39；p = 0.004）、年龄较轻（OR = 0.97，95% CI = 0.96-0.99；p = 0.02）以及家庭使用英语（OR = 3.29，95% CI = 1.23-8.77；p = 0.02）是具备乳腺密度“一定知识”的独立预测因素。绝大多数参与者（82%）表达了了解自身乳腺密度的意愿。 结论：尽管该澳大利亚人群对乳腺密度的认知总体水平较低，我们已识别出与知识水平提升相关的因素。未来需进一步研究确定提升乳腺密度认知的最佳干预策略。
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