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J Cardiovasc Nurs. 2007 Sep-Oct;22(5):359-65.

A model of medication-taking behavior in elderly individuals with chronic disease.

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  • 1Department of Nursing & Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan.


Adherence with prescription medications among elderly patients with cardiac conditions is poor. Mechanisms underlying adherence behavior have not been fully investigated. The purpose of this study was to develop a substantive model that describes medication-taking behavior in elderly individuals with chronic diseases. The study was exploratory using grounded theory. Purposive sampling was used to recruit 19 elderly cardiac patients. Four major themes were delineated from the data to describe readiness to adhere: perceived effectiveness, perceived partnership, perceived reality, and interpersonal influences. To convert perceptions into actions, 2 influencing factors, facilitating and inhibiting factors, played pivotal roles. This model could provide a useful framework for health professionals to design valid interventions for elderly patients to increase medication adherence.

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