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J Am Pharm Assoc (2003). 2019 Aug 9. pii: S1544-3191(19)30339-5. doi: 10.1016/j.japh.2019.07.003. [Epub ahead of print]

Self-reported barriers to medication use in older women: Findings from the Women's Health Initiative.

Abstract

OBJECTIVES:

To describe the prevalence of, types of, and characteristics associated with self-reporting multiple (≥ 2) barriers to medication use in older women using long-term cardiovascular and oral hypoglycemic medications.

METHODS:

This cross-sectional study set at the Women's Health Initiative during 2005-2010 included women who were using any chronic medication from 3 target classes (i.e., antilipemics, antihypertensives, oral hypoglycemics) for at least 1 month and who had answered questions about barriers to medication use at year 4 (2009) of the study period (N = 59,054). Measurements included common self-reported barriers to medication use, and sociodemographic, health characteristic, medication use, and access to care variables were evaluated. Multivariable logistic regression models were used to examine associations between participant characteristics and barriers to medication use.

RESULTS:

Among the participants, 47,846 (81%) reported no barriers, 7105 (12%) reported 1 barrier, and 4103 (6.9%) reported 2 or more barriers to medication use. The most common barriers reported were having concerns about adverse effects, not liking to take medications, and medications costing too much. Several characteristics were found to be associated with reporting 2 or more barriers in multivariable modeling, including demographic (e.g., lower age, black race, Hispanic ethnicity) and health or medication (e.g., lower quality of life, lower physical function, higher number of concurrent medications) characteristics.

CONCLUSION:

Among older women using chronic cardiovascular and oral hypoglycemic medications, approximately 20% reported at least 1 barrier to medication use, with 7% of women reporting multiple barriers. Pharmacists should prioritize identifying barriers to medication use in older women using chronic medications to improve patient care.

PMID:
31405806
DOI:
10.1016/j.japh.2019.07.003

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