Development and validation of the self-management profile for type 2 diabetes (SMP-T2D)

Mark Peyrot, Donald M. Bushnell, Jennie H. Best, Mona L. Martin, Ann Cameron, Donald L. Patrick

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Background: This study evaluated the measurement properties of a newly developed instrument - the Self-Management Profile for Type 2 Diabetes (SMP-T2D).Methods: The 18-item SMP-T2D assesses 12 constructs: level and perceived ease of performance in five self-care domains (blood glucose monitoring, medication-taking, healthy eating, being physically active, and coping), and two global constructs (ease of weight management, confidence with ability to manage diabetes). Validation analyses were based on two studies involving 240 patients with T2D, Study 1 ( #NCT00637273) with SMP-T2D administration supplemented by SMP-T2D retest one week later, and Study 2 (Clinical #NCT00877890) with SMP-T2D administration supplemented by 24-week SMP-T2D follow-up after medication change. Validation included clinical indicators and measures of patient reported quality of life, psychological well-being and treatment outcomes. Results: All multi-item SMP-T2D measures showed acceptable internal consistency (alphas = 0.71 to 0.87); ten measures had test-retest reliability >0.75. Correlations among SMP-T2D measures and between SMP-T2D measures and validation measures, which were as hypothesized, provided evidence of convergent and discriminant validity. Scores for six SMP-T2D measures improved significantly during Study 2. Multiple regression analysis showed independent associations between change in SMP-T2D measures and change in trial outcomes from baseline to end-of-study. Conclusions: Two studies provide preliminary evidence regarding the reliability, validity and responsiveness of the SMP-T2D. Further research on the utility of the instrument is needed.

Original languageEnglish (US)
Article number125
JournalHealth and Quality of Life Outcomes
StatePublished - Oct 5 2012
Externally publishedYes

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health


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