The Study of Medication Adherence in Outpatients with Hypertension in a Medical Center -- The Influence of Self-efficacy and Cues to action
Date Issued
2009
Date
2009
Author(s)
Yang, Chueh-Hsuan
Abstract
The purposes of this study are to apply Becker’s health belief model（1974）and Bandura’s self-efficacy theory(1977) to exploring the medication adherence behaviors and relevant factors in out-patients with hypertension. The research subjects, who had received anti-hypertension treatment over 3 month, from cardiac clinics of a medical center in Taipei. The formal structured questionnaire was composed of patient’s basic informations, “Adherence behaviors scale”, “Health belief scale”, “Cues to action scale” and “Self-efficacy scale”. A total of 112 subjects were interviewed face-to-face. The results shown were as follows:.An objective definition of poor adherence to prescription was the score of “Adherence behavior scale” less than 4.557, and systolic blood pressure more than 140 mmHg or diastolic blood pressure more than 90 mmHg. According to this definition, the poor adherence rate was 7.1%, and adherence rate was 65.2%..The main reason for subjects not taking their medications was forgetfulness. Their poor adherence behaviors included omissions of medication schedule, omissions of medication type and dose..The self-efficacy had a significant correlation with medication adherence behaviors and also explained the 7.6% of total variation in subjects’ medication adherence behaviors..The subjects’ age affected perceived severity、 perceived barriers of action and positive cues to action. The subjects’ education level affected perceived severity and perceived benefits of action. onclusions: Bandura’s self-efficacy theory can be used to predic drug adherence behaviors of hypertension patients.ecommendations: (1) Nurses should emphasize the management of medication for forgetfulness；(2) Nurses can strengthen patient’s ability and confidence for medication adherence；(3) Nurses have to design the education plan of according to education level and age of hypertensive patients for medication education.
Subjects
self-efficacy
cues of action
health belief
hypertension
medication adherence behaviors
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