• Elizabeth A Walker, Clyde B Schechter, Arlene Caban, and Charles E Basch.
• Department of Medicine, Albert Einstein College of Medicine, Bronx, New York 10461, USA. walker@aecom.yu.edu
• Am J Prev Med. 2008 Mar 1; 34 (3): 185191185-91.

BackgroundParticipation in diabetic retinopathy screening is suboptimal. The Vision is Precious study (2001-2005) tested the hypothesis that a tailored telephone intervention in urban minority diabetes populations, offered in English or Spanish, would result in greater screening for retinopathy than a standard print intervention.DesignRandomized controlled trialSetting/ParticipantsSubjects (N=598) were adults with diabetes without a dilated fundus examination (DFE) in >1 year from three healthcare centers in Bronx NY.InterventionA tailored telephone intervention to promote retinopathy screening compared to a standard print intervention over a 6-month period.Main Outcome MeasuresDocumentation of a DFE within 6 months was the main outcome. Data on risk perceptions using the Risk Perception Survey for Diabetes were collected pre- and post-intervention. Electronic databases were used to obtain hemoglobin A1c information.ResultsSubjects were 40% men, mean age 57 years; 39% reported household incomes as <$15K; 45% reported their race as black, and 42% reported ethnicity as Hispanic/Latino; 23% chose Spanish as their preferred language. Data were analyzed in 2006. There was a 74% increase in retinopathy screening in the telephone versus print group (p<0.0005), with no differences by intervention language or by gender. Predictors of undergoing a DFE included: telephone intervention, baseline risk-perception scores indicating less worry and more realism about diabetes complications, and the interaction of self-reported worry and being in the telephone intervention. Subjects who had poor diabetes control responded with greater success to telephone interventions.ConclusionsA limited telephone intervention can improve significantly participation in retinopathy screening in a minority, low-income population. This intervention influenced risk perceptions about diabetes complications. Further research is needed to develop effective risk communications to prevent the complications of diabetes.

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