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Improving diabetes care among patients overdue for recommended testing: a randomized controlled trial of automated telephone outreach.
Simon SR, Trinacty CM, Soumerai SB, Piette JD, Meigs JB, Shi P, Ensroth A, Ross-Degnan D. Improving diabetes care among patients overdue for recommended testing: a randomized controlled trial of automated telephone outreach. Diabetes Care. 2010 Jul 1; 33(7):1452-3.
OBJECTIVE: The study's objective was to assess the effects of automated telephone outreach with speech recognition (ATO-SR) on diabetes-related testing. RESEARCH DESIGN AND METHODS: We identified 1,200 health plan members who were overdue for diabetes-related testing and randomly allocated 600 to ATO-SR and 600 to usual care (no intervention). The intervention included three interactive calls encouraging recommended testing. The primary outcome was retinopathy testing, since this was the health plan's principal goal. Tests for glycemia, hyperlipidemia, and nephropathy were secondary outcomes. RESULTS: In total, 232 participants (39%) verbally responded to the calls. There was no difference between the intervention and the usual care groups in the primary outcome (adjusted hazard ratio 0.93 [95% CI 0.71-1.22]) and no effect of the intervention on any of the secondary outcomes. CONCLUSIONS: Fewer than 40% of the patients randomized to ATO-SR interacted verbally with the system. The intervention had no effect on the study's outcomes.