Diabetes Management Self-Efficacy Scale (DMSES)
Measures the self-efficacy of type 2 diabetes patients regarding self-care activities including nutrition, medication, physical activity, foot care, and blood glucose monitoring.
Scale Development & Technical Details
Scale Overview
The Diabetes Management Self-Efficacy Scale (DMSES) was developed by van der Bijl, J. J., van Poelgeest-Eeltink, A. V., & Shortridge-Baggett, L. (1999). It is designed to measure Diabetes self-efficacy. The scale is intended for use with Adults with Type 2 Diabetes.
Scale Structure
This instrument consists of 20 items organized into 5 factors/subscales: Nutrition, Medication, Physical Activity, Foot and Blood Glucose Care, Managing Hypo/Hyperglycemia.
| Factor / Subscale | Items | N |
|---|---|---|
| Nutrition | 1,2,3,4,5,6,7,8,9,10,11 | 11 |
| Medication | 12,13 | 2 |
| Physical Activity | 14 | 1 |
| Foot and Blood Glucose Care | 15,16 | 2 |
| Managing Hypo/Hyperglycemia | 17,18,19,20 | 4 |
Response Format
Respondents rate each item using a 5-point Likert scale (1 = Strongly Disagree to 5 = Strongly Agree).
Scoring
Items are summed to produce a total score.
Total scores range from 20 to 100. Interpretation guidelines:
- Low Self-Efficacy: 20 – 49
- Moderate Self-Efficacy: 50 – 79
- High Self-Efficacy: 80 – 100
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Cronbach's alpha ranges from 0.79 to 0.92 for subscales.
Administration
The scale is self-administered and typically takes approximately 10 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.