7: No. 5, September 2010
Reach and Effectiveness of
a Weight Loss Intervention in Patients With Prediabetes in Colorado
There were 14,379 potential participants newly diagnosed with prediabetes eligible for the study. Of this group, 1,911 were ineligible (1,082 had diabetes diagnosed within 30 days after the first impaired fasting glucose [IFG], 807 had dietitian contact 6 months before study start date [February 2004]; and 22 had IFG measurement ≥126 mg/dL). Of the 12,468 eligible participants included in the matching program, 1,030 attended diabetes class, and 820 of them were matched to controls from the 11,438 potential controls. Sixty potential controls were excluded because they did not have 12-month follow-up weight measurement. A total of 760 matched participant and control pairs were included in final analysis.
Figure. Flow of study participants in an intervention for patients
with prediabetes, Kaiser Permanente Colorado, Colorado, 2004-2005. Dietitian
contact refers to a potential participant having had an individual consultation
with a dietitian and the reason coded as prediabetes.
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