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Factors Associated with Intentional and Unintentional Non-adherence to Adjuvant Endocrine Therapy Following Breast Cancer
Brett, Jo Fenlon, Deborah F. Boulton, Mary Hulbert-Williams, Nicholas J. Walter, Fiona M. Donnelly, Peter Lavery, Bernadette Morgan, Adrienne Morris, Carolyn Watson, Eila
Brett, Jo
Fenlon, Deborah F.
Boulton, Mary
Hulbert-Williams, Nicholas J.
Walter, Fiona M.
Donnelly, Peter
Lavery, Bernadette
Morgan, Adrienne
Morris, Carolyn
Watson, Eila
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2016-11-30
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Abstract
Adherence to adjuvant endocrine therapy (AET) following breast cancer is known to be sub-optimal despite its known efficacy in reducing recurrence and mortality. This study aims to investigate factors associated with non-adherence and inform the development of interventions to support women and promote adherence. A questionnaire survey to measure level of adherence, side effects experienced, beliefs about medicine, support received and socio-demographic details was sent to 292 women 2-4 years post breast cancer diagnosis. Differences between non-adherers and adherers to AET were explored, and factors associated with intentional and unintentional non-adherence are reported. Approximately one quarter of respondents, 46 (22%), were non-adherers, comprising 29 (14%) intentional non-adherers and 17 (8%) unintentional non-adherers. Factors significantly associated with intentional non-adherence were: the presence of side effects (p<0.03), greater concerns about AET (p<0.001), and a lower perceived necessity to take AET (p<0.001). Half of the sample (105/211) reported that side effects had a moderate or high impact on their quality of life. Factors associated with unintentional non-adherence were: younger age (<65), (p<0.001), post-secondary education (p=0.046), and paid employment (p=0.031). There are distinct differences between intentional non-adherence and unintentional non-adherence. Differentiation between the two types of non-adherence may help tailor support and advice interventions
Citation
Brett, J., et. al. (2018). Factors Associated with Intentional and Unintentional Non-adherence to Adjuvant Endocrine Therapy Following Breast Cancer, 27(1), e12601. DOI: 10.1111/ecc.12601
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Wiley
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European Journal of Cancer Care
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Article
Language
en
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This is the peer reviewed version of the following article: Brett, J., et. al. (2018). Factors Associated with Intentional and Unintentional Non-adherence to Adjuvant Endocrine Therapy Following Breast Cancer, 27(1), e12601. DOI: 10.1111/ecc.12601, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1111/ecc.12601/abstract. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving
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1365-2354