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Cardiovascular Risk Education and Social Support (CaRESS): Report of a Randomized Controlled Trial from the Kentucky Ambulatory Network (KAN)

Department of Family and Community Medicine (KAP, MML, MAW, MAB, JMH), University of Kentucky College of Medicine, Lexington
Department of Internal Medicine (BJS), University of Kentucky College of Medicine, Lexington
Department of Behavioral Science (NES), University of Kentucky College of Medicine, Lexington

Correspondence: Corresponding author: Kevin A. Pearce, MD, MPH, Department of Family and Community Medicine, University of Kentucky College of Medicine, Room K-302, Kentucky Clinic, Lexington, KY 40536-0284 (E-mail: kpearce{at}email.uky.edu)

Purpose: Test a practice-based intervention to foster involvement of a relative or friend for the reduction of cardiovascular risk in patients with type 2 diabetes.

Methods: We enrolled in a randomized controlled trial 199 patients and 108 support persons (SPs) from 18 practices within a practice-based research network. All patient participants had type 2 diabetes with suboptimal blood pressure control and were prepared to designate a SP. A subset of the patients also had dyslipidemia. All study visits were conducted at the practice sites where staff took standardized blood pressure measurements and collected blood samples. All patients completed one education session and received newsletters aimed at improving key health behaviors. Intervention group patients included their chosen SP in the education session and the SPs received newsletters.

Results: After 9 to 12 months, the intervention had no significant effect on systolic blood pressure, HbA1C, health-related quality of life, patient satisfaction, medication adherence, or perceived health competence. Power was insufficient to detect an effect on low-density lipoprotein cholesterol. Baseline cardiovascular risk values were not very high, with mean systolic blood pressure at 140 mm Hg; mean HbA1C at 7.6%; and mean low-density lipoprotein at 137 mg/dL. Patient health care satisfaction was high.

Conclusion: This practice-based intervention to foster social support for chronic care management among diabetics had no significant impact on the targeted outcomes.

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				M. A. Bowman, A. V. Neale, and P. Lupo Third Journal of the American Board of Family Medicine Practice-based Research Theme Issue J Am Board Fam Med, July 1, 2008; 21(4): 255 - 257. [Full Text] [PDF]