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- 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.
- Authors
Sleath, Betsy; Carpenter, Delesha M.; Blalock, Susan J.; Davis, Scott A.; Hickson, Ryan P.; Lee, Charles; Ferreri, Stefanie P.; Scott, Jennifer E.; Rodebaugh, Lisa B.; Cummings, Doyle M.
- Abstract
Background: 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. Patients and methods: 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. Results: 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). Conclusion: 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.
- Subjects
HYPOGLYCEMIC agents; DRUG efficacy; TREATMENT of diabetes; PATIENT compliance; PEOPLE with diabetes
- Publication
Patient Preference & Adherence, 2016, Vol 10, p1003
- ISSN
1177-889X
- Publication type
Article
- DOI
10.2147/PPA.S101349