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Psychometric properties of the Breast Cancer Awareness Measurement among Chinese women: a cross-sectional study.

ABSTRACT: OBJECTIVES:To perform the cross-cultural adaption of the Breast Cancer Awareness Measurement (BCAM) and to test its psychometric properties among Chinese women. DESIGN:This is a cross-sectional study. SETTINGS:This study was conducted in communities, schools and institutions in Changchun, Jilin Province, China. PARTICIPANTS:A total of 328 women voluntarily participated in and completed the Chinese version of the BCAM (C-BCAM), resulting in an effective response rate of 91.1%. PRIMARY AND SECONDARY OUTCOME MEASURES:Psychometric properties, including item analysis (the extreme group comparison and item-total correlations), content validity (item-level content validity index (I-CVI) and scale-level content validity index (S-CVI)), construct validity (exploratory factor analysis (EFA) and confirmatory factor analysis (CFA)) and internal consistency (Cronbach's ? and test-retest reliability), were measured. RESULTS:The C-BCAM has excellent internal consistency (Cronbach's ?=0.90), with alpha coefficients of 0.88, 0.84 and 0.94 for its three domains. The test-retest reliability coefficient was 0.72. The I-CVI ranged from 0.86 to 1.00, and the S-CVI was 0.92. CFA showed that the three-factor model explained 51.56% of the total variance, with a good model fit (likelihood ratio ?2/df=1.86, incremental fit index=0.94, comparative fit index=0.94, goodness-of-fit index=0.84, adjusted goodness-of-fit index=0.80, standardised root mean square error of approximation=0.06 and root mean square residual=0.05). CONCLUSIONS:The C-BCAM has satisfactory validity and reliability and is a culturally appropriate and reliable tool for evaluating breast cancer awareness among Chinese women. This reliable instrument can help researchers and health professionals evaluate women's knowledge about the symptoms and risk factors of breast cancer and identify their barriers to seeking medical help. It also helps healthcare providers identify women with poor breast cancer awareness and encourage them to perform screening practice.

SUBMITTER: Liu N

PROVIDER: S-EPMC7064072 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Psychometric properties of the Breast Cancer Awareness Measurement among Chinese women: a cross-sectional study.

Liu Na N Li Ping P Wang Jie J Chen Dan-Dan DD Sun Wei-Jia WJ Guo Ping-Ping PP Zhang Xue-Hui XH Zhang Wei W

BMJ open 20200309 3

<h4>Objectives</h4>To perform the cross-cultural adaption of the Breast Cancer Awareness Measurement (BCAM) and to test its psychometric properties among Chinese women.<h4>Design</h4>This is a cross-sectional study.<h4>Settings</h4>This study was conducted in communities, schools and institutions in Changchun, Jilin Province, China.<h4>Participants</h4>A total of 328 women voluntarily participated in and completed the Chinese version of the BCAM (C-BCAM), resulting in an effective response rate ...[more]

PMID: 32156770

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Project description:BackgroundBreast cancer (BC) is the leading malignant tumor among women worldwide. Although attending regular BC screening effectively reduces cancer-related mortality, surveys testify that screening knowledge is critically low among women. We aimed to conduct a comparative cross-sectional survey to assess BC and BC screening-related knowledge in Hungary.MethodsWomen between 25 and 65 years of age without a previous history of malignant tumors were included with non-probability sampling in 2017. Respondents were recruited either from primary care (laywomen) or from the waiting rooms of mammography (screening attendees). A self-completion questionnaire was constructed with questions about BC (risk factors, signs and symptoms, curability, and mortality), BC screening (mammography and breast self-examination), and BC-related information sources to assess knowledge among laywomen and screening attendees. In addition to descriptive statistics, odds ratios with 95% confidence intervals were calculated in univariate analysis and logistic regression was used in multivariate analysis.ResultsAltogether, 480 women completed the questionnaire, of which 429 (227 laywomen and 202 screening attendees) were eligible for inclusion. Laywomen and screening attendees knew the recommended age at first mammography in 35.2% and 86.6%, the recommended frequency of screening in 33.9% and 12.9%, the recommended age at first breast-self examination in 38.8% and 51.2%, had sufficient knowledge of the risk factors of BC in 7.0% and 5.9%, and that of signs and symptoms of BC in 16.7% and 28.9%, respectively. A higher proportion of screening attendees correctly identified the recommended age of first BC screening correctly than that of laywomen (86.6% vs. 35.2%; p < 0.001). The most popular information sources were television among laywomen and general practitioners or specialists among screening attendees. In multivariate analysis, older age, higher education, and place of residency were significant predictors of the right answers.ConclusionsAlthough knowledge was insufficient in almost all fields of the questionnaire, the most prominent gap was observed concerning risk factors and signs and symptoms of BC both in laywomen and, unexpectedly, screening attendees. Most laywomen were lacking knowledge of screening protocol. These results urge breast health and BC knowledge interventions in Hungary.

Dataset Information

Psychometric properties of the Breast Cancer Awareness Measurement among Chinese women: a cross-sectional study.

Publications

Psychometric properties of the Breast Cancer Awareness Measurement among Chinese women: a cross-sectional study.

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