ArticleAsia-Pacific journal of oncology nursing2025
The influence of medication burden on the quality of life among patients with breast cancer undergoing adjuvant endocrine therapy: The mediating role of medication beliefs.
Article in Asia-Pacific journal of oncology nursing, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: This study aimed to investigate the mediating role of medication beliefs in the relationship between medication burden and quality of life among Chinese patients with breast cancer undergoing adjuvant endocrine therapy (AET). Additionally, we sought to identify key factors influencing quality of life and propose targeted clinical interventions. Methods: This cross-sectional study involved 300 patients with breast cancer receiving AET in China from March 2023 to March 2024. Participants completed a survey that included a general information questionnaire, the Functional Assessment of Cancer Therapy - Breast (FACT-B) for assessing life quality in patients with breast cancer, the Chinese Living with Medicines Questionnaire (LMQ), and the Beliefs about Medication Questionnaire (BMQ)-Specific. Multiple linear regression analysis was utilized to identify factors influencing the quality of life among these patients. Pearson correlation analysis was used to explore the relationships among quality of life, medication burden, and medication beliefs in this population. AMOS 29.0 was utilized for structural equation modeling (SEM) to assess the mediating effect of medication beliefs on the relationship between medication burden and quality of life. Results: The mean FACT-B score among participants was 83.02 ± 19.08, the LMQ score was 109.93 ± 19.67, and the BMQ-Specific score was 1.41 ± 5.73. Quality of life demonstrated a negative correlation with medication burden ( Conclusions: The quality of life in patients with breast cancer receiving AET is notably affected by medication burden and beliefs. Medication burden directly affects the quality of life and indirectly influences it through medication beliefs. Therefore, tailored interventions are crucial for patients with breast cancer undergoing AET who face high medication burden, reduced belief in medication necessity, or increased concerns about their medication.
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