Validity testing of the Long-Term Medication Behavior Self-Efficacy Scale
| Autor: | Greta K Gourley, Peter J de Vleeschouwer, Kris Denhaerynck, Gerda Drent, Ivo Abraham, Doreen Papajcik, Sabina De Geest, Elaine Lince |
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| Rok vydání: | 2005 |
| Předmět: |
Adult
Male medicine.medical_specialty Psychometrics Adolescent Population Sensitivity and Specificity Belgium Surveys and Questionnaires medicine Criterion validity Humans Psychological testing Psychiatry education Generalized estimating equation General Nursing Aged Netherlands Aged 80 and over education.field_of_study Psychological Tests Receiver operating characteristic Reproducibility of Results General Medicine Middle Aged Self Efficacy United States Cross-Sectional Studies Logistic Models Scale (social sciences) Chronic Disease Physical therapy Ceiling effect Patient Compliance Female Psychology |
| Zdroj: | Journal of nursing measurement. 11(3) |
| ISSN: | 1061-3749 |
| Popis: | Self-efficacy is an important determinant of health behavior that can be targeted for intervention. Little effort has been given to the development of valid measures for self-efficacy with medication taking for adherence research. The purpose of this study was to determine the criterion validity of the Long-Term Medication Behavior Self-Efficacy Scale (LTMBSES). Individual patient data from 6 existing adherence studies in transplant, hyperlipidemia, and AIDS/HIV patients (n = 1021) were pooled. Validity was determined by assessing the relation between the LTMBSES score and medication adherence—both self-reported and electronically monitored. A weak relationship was found between the LTMBSES score and adherence, which can possibly be attributed to a ceiling effect, caused by a too homogeneous population and/or a failure of the scale to challenge patients. Generalized Estimating Equations revealed that the total average self-efficacy score predicted reported medication adherence (p < .0001). The Receiver Operating Characteristic curve revealed the area under the curve was 0.67, indicating a significant (p < .0001), but poor predictive capability. Evidence for criterion validity of the Long-Term Medication Behavior Self-Efficacy Scale is not yet convincing. Future research should focus on: (1) validation in a population with a more heterogenous level of adherence, and (2) making the scale more challenging by referring to “always taking the medication without exception.” |
| Databáze: | OpenAIRE |
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