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A Diabetes-Specific Measure of Patient Desire to Participate in Medical Decision Making

Division of General Internal Medicine and Sheps Center for Health Services Research, University of North Carolina at Chapel Hill; UNC Sheps Center for Health Services Research, Suite 208, Campus Box 7590, Chapel Hill, NC 27599-7590 Carol_Golin{at}unc.edu

MR DIMatteo, PhD

Department of Psychology, University of California, Riverside

Barbara Leaks, PhD

Department of Family Medicine, School of Nursing, University of California, Los Angeles

Nalhua Duan, PhD

Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles

Lillian Gelberg, MD, MSPH

Department of Family Medicine, University of California, Los Angeles

PURPOSE

the goal of this study was to develop a diabetesspecific scale of patient desire to participate in medical decision making (DPMD) and examine its internal consistency reliability, stability, and validity (content, discriminant, convergent, and construct).

METHODS

In a cross-sectional study, 65 patients with type 2 diabetes from a teaching hospital's general medical clinic were interviewed at baseline and 2 weeks later to measure their DPMD scores. Data were collected on demographic/clinical features, health value, social support, desire to make a final decision, and value of patient autonomy.

RESULTS

Of the 11 DPMD items, 2 distinct factors emerged representing desire for discussion and desire for information. The DPMD scale had high internal consistency reliability, was stable over 2 weeks and demonstrated good content validity. DPMD scale items were more correlated with each other than with health value or social support. Overall, patients who obtained diabetes education reported greater desire to participate in decisions. Younger patients had a greater overall desire for discussion. The DPMD desire for discussion subscale correlated with patients' desire to make the final treatment decision but not with patients' value of autonomy.

CONCLUSIONS The DPMD is a brief, reliable, valid measure for assessing patient desire to participate in diabetes medical decision making.

The Diabetes Educator, Vol. 27, No. 6, 875-886 (2001)
DOI: 10.1177/014572170102700613


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