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01.12.2015 | Research article | Ausgabe 1/2016 Open Access

BMC Public Health 1/2016

Validation of the Breast Cancer Screening Beliefs Questionnaire among African Australian women

Zeitschrift:
BMC Public Health > Ausgabe 1/2016
Autoren:
Cannas Kwok, Olayide Ogunsiji, Chun Fan Lee
Wichtige Hinweise

Competing interest

The authors declare that they have no competing interests.

Authors’ contributions

CK participated in the study design, conceptual framework, data interpretation, draft the manuscript and proof read the final submission. OO participated in the study design, data collection, data interpretation, draft the manuscript and proof read the final submission. CFL participated in the study design, conceptual framework, data analysis and interpretation, draft the manuscript and proof read the final submission.

Abstract

Background

The Breast Cancer Screening Beliefs Questionnaire (BCSBQ) has been designed as a culturally appropriate instrument for assessing women’s beliefs, knowledge and attitudes to breast cancer and breast cancer screening practices. While it has proved to be a reliable instrument when applied to women of Chinese, Arabic and Korean origin living in Australia, its psychometric properties among women from African backgrounds have not been tested. The aim of this study is to examine the psychometric properties of the BCSBQ among African Australian women.

Methods

The BCSBQ was administered to 284 African Australian women who were recruited from a number of African community organizations and churches. Factor analysis was conducted to study the factor structure. Construct validity was examined using Cuzick’s non-parametric test while Cronbach alpha was used to assess internal consistency reliability.

Results

Exploratory factor analysis results demonstrated that the African-Australian BCSBQ can be conceptualized as a 4-factor model. The third factor, viz. “barriers to mammography”, was split into two separate factors namely, “psychological” and “practical” barriers. The results indicated that the African-Australian BCSBQ had both satisfactory validity and internal consistency. The Cronbach’s alpha of the three subscales ranged between 0.84-0.92. The frequency of breast cancer screening practices (breast awareness, clinical breast-examination and mammography) were significantly associated with attitudes towards general health check-ups and perceived barriers to mammographic screening.

Conclusions

Our study provided evidence to support the psychometric properties of the BCSBQ.in African Australian women. The study moreover demonstrated that the use of the instrument can help health professionals to understand the beliefs, knowledge and attitudes to breast cancer among African Australian women and also the factors that impact on their breast cancer screening practices.
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