Bao Yingyi, Kwok Cannas, Lee Chun Fan
School of Stomatology and Medicine, Foshan University, 5#, Hebin Road, Foshan, Guangdong, PR China.
School of Nursing and Midwifery, Western Sydney University, Sydney, New South Wales, Australia.
Eur J Oncol Nurs. 2017 Jun;28:35-40. doi: 10.1016/j.ejon.2017.02.006. Epub 2017 Mar 8.
The aim of the study was to report the psychometric properties of the modified 'Breast Cancer Screening Beliefs Questionnaire' (BCSBQ) among women living in China.
A convenience sample of 494 women was recruited from community centres and out-patient clinics in Foshan city. Cronbach's alpha was used to assess internal consistency reliability. Criterion validity was examined by testing three pre-specified hypotheses and confirmatory factor analysis was conducted to study the factor structure.
The results indicated that the modified BCSBQ has satisfactory validity and internal consistency. Cronbach's alpha of the three subscales ranged between 0.77 and 0.84. As hypothesized, the frequencies of breast self-examination and clinical breast examination were significantly associated with the subscales' score. Confirmatory factor analysis showed an adequate fit for the hypothesized three-factor structure with our data set.
The modified BCBSQ is a culturally appropriate, valid and reliable instrument for assessing the beliefs, knowledge and attitudes to breast cancer and breast cancer screening practices among women living in China. It can be used for providing health care professionals with insights into the development of breast cancer screening promotion programs.
本研究旨在报告改良版“乳腺癌筛查信念问卷”（BCSBQ）在中国女性中的心理测量特性。
从佛山市的社区中心和门诊招募了494名女性作为便利样本。采用克朗巴哈系数评估内部一致性信度。通过检验三个预先设定的假设来考察效标效度，并进行验证性因子分析以研究因子结构。
结果表明，改良后的BCSBQ具有令人满意的效度和内部一致性。三个分量表的克朗巴哈系数在0.77至0.84之间。正如假设的那样，乳房自我检查和临床乳房检查的频率与分量表得分显著相关。验证性因子分析表明，假设的三因素结构与我们的数据集拟合良好。
改良后的BCBSQ是一种在文化上合适、有效且可靠的工具，可用于评估中国女性对乳腺癌及乳腺癌筛查实践的信念、知识和态度。它可用于为医护人员提供有关乳腺癌筛查促进项目发展的见解。
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