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

Jo Brett*, Nick J. Hulbert-Williams, Deborah Fenlon, Mary Boulton, Fiona M. Walter, Peter Donnelly, Bernadette Lavery, Adrienne Morgan, Carolyn Morris, Rob Horne, Eila Watson

*Corresponding author for this work

Research output: Contribution to journalArticle (journal)peer-review

6 Citations (Scopus)

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.

Original languageEnglish
JournalHealth Psychology Open
Volume4
Issue number2
DOIs
Publication statusPublished - 1 Jul 2017

Keywords

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

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