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Psychometric properties of the Beliefs about Medicine Questionnaire-adjuvant endocrine therapy (BMQ-AET) for women taking AETs following early-stage breast cancer.

Published version
Peer-reviewed

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Authors

Brett, Jo 
Hulbert-Williams, Nick J 
Fenlon, Deborah 
Boulton, Mary 
Walter, Fiona M 

Abstract

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.

Description

Keywords

Beliefs about Medicines Questionnaire, Beliefs about Medicines Questionnaire–adjuvant endocrine therapy, adherence, adjuvant endocrine therapy, convergent validity, evaluation, factor structure

Journal Title

Health Psychol Open

Conference Name

Journal ISSN

2055-1029
2055-1029

Volume Title

4

Publisher

SAGE Publications