Title |
Development of a new diabetes medication self-efficacy scale and its association with both reported problems in using diabetes medications and self-reported adherence
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Published in |
Patient preference and adherence, June 2016
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DOI | 10.2147/ppa.s101349 |
Pubmed ID | |
Authors |
Betsy Sleath, Delesha M Carpenter, Susan J Blalock, Scott A Davis, Ryan P Hickson, Charles Lee, Stefanie P Ferreri, Jennifer E Scott, Lisa B Rodebaugh, Doyle M Cummings |
Abstract |
Although there are several different general diabetes self-efficacy scales, there is a need to develop a self-efficacy scale that providers can use to assess patient's self-efficacy regarding medication use. The purpose of this study was to: 1) develop a new diabetes medication self-efficacy scale and 2) examine how diabetes medication self-efficacy is associated with patient-reported problems in using diabetes medications and self-reported adherence. Adult English-speaking patients with type 2 diabetes were recruited from a family medicine clinic and a pharmacy in Eastern North Carolina, USA. The patients were eligible if they reported being nonadherent to their diabetes medicines on a visual analog scale. Multivariable regression was used to examine the relationship between self-efficacy and the number of reported diabetes medication problems and adherence. The diabetes medication self-efficacy scale had strong reliability (Cronbach's alpha =0.86). Among a sample (N=51) of mostly African-American female patients, diabetes medication problems were common (6.1±3.1) and a greater number of diabetes medications were associated with lower medication adherence (odds ratio: 0.35; 95% confidence interval: 0.13, 0.89). Higher medication self-efficacy was significantly related to medication adherence (odds ratio: 1.17; 95% confidence interval: 1.05, 1.30) and inversely related to the number of self-reported medication problems (β=-0.13; P=0.006). Higher diabetes medication self-efficacy was associated with fewer patient-reported medication problems and better medication adherence. Assessing medication-specific self-efficacy may help to identify medication-related problems that providers can help the patients address, potentially improving adherence and patient outcomes. |
X Demographics
Geographical breakdown
Country | Count | As % |
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United States | 2 | 50% |
Unknown | 2 | 50% |
Demographic breakdown
Type | Count | As % |
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Members of the public | 3 | 75% |
Practitioners (doctors, other healthcare professionals) | 1 | 25% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
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Unknown | 67 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Master | 7 | 10% |
Student > Ph. D. Student | 7 | 10% |
Researcher | 6 | 9% |
Student > Bachelor | 5 | 7% |
Student > Postgraduate | 5 | 7% |
Other | 14 | 21% |
Unknown | 23 | 34% |
Readers by discipline | Count | As % |
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Nursing and Health Professions | 10 | 15% |
Medicine and Dentistry | 9 | 13% |
Pharmacology, Toxicology and Pharmaceutical Science | 6 | 9% |
Psychology | 5 | 7% |
Agricultural and Biological Sciences | 2 | 3% |
Other | 7 | 10% |
Unknown | 28 | 42% |