| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 2796200 | Diabetes Research and Clinical Practice | 2015 | 8 Pages |
•Morisky Scale is proposed to be used to assess adherence in sub-Saharan Africa.•Morisky scale has been used to assess adherence in other regions of the world especially where other resources are unavailable.•Psychometric properties were assessed of this scale.•Scale is an efficient way to measure medication adherence in Type 2 diabetic population in Togo.
ObjectivesResearch in the field of adherence to medications has not been explored in sub-Saharan Africa. The goal of this manuscript is to (1) validate the use of an adherence tool: a translated 8-item Morisky Medication Adherence Scale (MMAS-8) for Type 2 diabetes and (2) assess association between levels of adherence and psychometric properties.Methods154 Type 2 diabetic patients being chronically treated were surveyed from Togolese Diabetes Association using a demographic survey, 4-item Morisky Medication Adherence Scale (MMAS-4) and MMAS-8 from January to March 2012.ResultsInternal reliability for the 8-item scale showed the Cronbach alpha being 0.47. The MMAS-8 and MMAS-4 showed a Pearson's correlation of 0.6851. For known groups validity, the chi-square (χ2) tests of proportions showed a significant relationship between blood glucose control and MMAS-8 (χ2 = 12.17; p = 0.002). The sensitivity, specificity, positive predictive value and negative predictive value were 75%, 48.39%, 56.76%, and 68.18% respectively.ConclusionsPsychometric analyses showed that the MMAS-8 was a suitable way of measuring medication adherence in the study population given its low cost, ease of use, and the low income status of the country.
