This study evaluated the Beliefs about Medicine Questionnaire to explore adherence to adjuvant endocrine therapy after treatment for breast cancer (BMQ-AET). Factor structure of the BMQ-AET was explored alongside internal consistency, convergent validity and acceptability. The BMQ-AET Specific Scale fitted the original 10 item model. Internal consistency of the BMQ-AET was much improved compared to the original BMQ and convergent validity showed predicted direction of correlation, although correlation with BMQ-AET concerns scale was low. Acceptability was good. The evaluation of the BMQ-AET is encouraging, and could facilitate future research around adherence to AET.
CITATION STYLE
Brett, J., Hulbert-Williams, N. J., Fenlon, D., Boulton, M., Walter, F. M., Donnelly, P., … Watson, E. (2017). Psychometric properties of the Beliefs about Medicine Questionnaire–adjuvant endocrine therapy (BMQ-AET) for women taking AETs following early-stage breast cancer. Health Psychology Open, 4(2). https://doi.org/10.1177/2055102917740469
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