Online disease management of diabetes: engaging and motivating patients online with enhanced resources-diabetes (EMPOWER-D), a randomized controlled trial

Paul C Tang, J Marc Overhage, Albert Solomon Chan, Nancy L Brown, Bahar Aghighi, Martin P Entwistle, Siu Lui Hui, Shauna M Hyde, Linda H Klieman, Charlotte J Mitchell, Anthony J Perkins, Lubna S Qureshi, Tanya A Waltimyer, Leigha J Winters, Charles Y Young, Paul C Tang, J Marc Overhage, Albert Solomon Chan, Nancy L Brown, Bahar Aghighi, Martin P Entwistle, Siu Lui Hui, Shauna M Hyde, Linda H Klieman, Charlotte J Mitchell, Anthony J Perkins, Lubna S Qureshi, Tanya A Waltimyer, Leigha J Winters, Charles Y Young

Abstract

Objective: To evaluate an online disease management system supporting patients with uncontrolled type 2 diabetes.

Materials and methods: Engaging and Motivating Patients Online With Enhanced Resources for Diabetes was a 12-month parallel randomized controlled trial of 415 patients with type 2 diabetes with baseline glycosylated hemoglobin (A1C) values ≥7.5% from primary care sites sharing an electronic health record. The intervention included: (1) wirelessly uploaded home glucometer readings with graphical feedback; (2) comprehensive patient-specific diabetes summary status report; (3) nutrition and exercise logs; (4) insulin record; (5) online messaging with the patient's health team; (6) nurse care manager and dietitian providing advice and medication management; and (7) personalized text and video educational 'nuggets' dispensed electronically by the care team. A1C was the primary outcome variable.

Results: Compared with usual care (UC, n=189), patients in the intervention (INT, n=193) group had significantly reduced A1C at 6 months (-1.32% INT vs -0.66% UC; p<0.001). At 12 months, the differences were not significant (-1.14% INT vs -0.95% UC; p=0.133). In post hoc analysis, significantly more INT patients had improved diabetes control (>0.5% reduction in A1C) than UC patients at 12 months (69.9 (95% CI 63.2 to 76.5) vs 55.4 (95% CI 48.4 to 62.5); p=0.006).

Conclusions: A nurse-led, multidisciplinary health team can manage a population of diabetic patients in an online disease management program. INT patients achieved greater decreases in A1C at 6 months than UC patients, but the differences were not sustained at 12 months. More INT than UC patients achieved improvement in A1C (>0.5% decrease). Trial registered in clinical trials.gov: #NCT00542204.

Figures

Figure 1
Figure 1
Diabetes status report.
Figure 2
Figure 2
Recruitment flow diagram. PCP, primary care provider.
Figure 3
Figure 3
Patient exclusion by criterion. CM, care management; DM, diabetes mellitus; Dx, diagnosis; PAMF, Palo Alto Medical Foundation; Tx, treatment.
Figure 4
Figure 4
Plot of average estimated daily hemoglobin A1C for intervention versus usual care. Estimated daily A1C levels were calculated using a linear interpolation between actual A1C measurements.

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Source: PubMed

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