A web-based diabetes intervention for physician: a cluster-randomized effectiveness trial.

Estrada CA, Safford MM, Salanitro AH, Houston TK, Curry W, Williams JH, Ovalle F, Kim Y, Foster P, Allison JJ. A web-based diabetes intervention for physician: a cluster-randomized effectiveness trial. International journal for quality in health care : journal of the International Society for Quality in Health Care. 2011 Dec 1; 23(6):682-9.

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Abstract:

OBJECTIVE: To determine the effectiveness of a provider-based education and implementation intervention for improving diabetes control. DESIGN: Cluster-randomized trial with baseline and follow-up cross sections of diabetes patients in each participating physician's practice. SETTING: Eleven US Southeastern states, 2006-08. PARTICIPANTS: Two hundred and five rural primary care physicians. INTERVENTION: Multi-component interactive intervention including Web-based continuing medical education, performance feedback and quality improvement tools. Primary Outcome Measures 'Acceptable control' [hemoglobin A1c = 9%, blood pressure (BP) < 140/90 mmHg, low-density lipoprotein cholesterol (LDL) < 130 mg/dl] and 'optimal control' (A1c < 7%, BP < 130/80 mmHg, LDL < 100 mg/dl). RESULTS: Of 364 physicians attempting to register, 205 were randomized to the intervention (n = 102) or control arms (n = 103). Baseline and follow-up data were provided by 95 physicians (2127 patients). The proportion of patients with A1c = 9% was similar at baseline and follow-up in both the control [adjusted odds ratio (AOR): 0.94; 95% confidence interval (CI): 0.61, 1.47] and intervention arms [AOR: 1.16 (95% CI: 0.80, 1.69)]; BP < 140/90 mmHg and LDL < 130 mg/dl were also similar at both measurement points (P = 0.66, P = 0.46; respectively). We observed no significant effect on diabetes control attributable to the intervention for any of the primary outcome measures. Intervention physicians engaged with the Website over a median of 64.7 weeks [interquartile range (IQR): 45.4-81.8) for a median total of 37 min (IQR: 16-66). CONCLUSIONS: A wide-reach, low-intensity, Web-based interactive multi-component intervention did not improve control of glucose, BP or lipids for patients with diabetes of physicians practicing in the rural Southeastern US.