Pounds Off With Empowerment (POWER): A Clinical Trial of Weight Management Strategies for Black and White Adults With Diabetes Who Live in Medically Underserved Rural Communities
Elizabeth J. Mayer-Davis, PhD,
Angela M. D'Antonio, MSPH, RD,
Sharon M. Smith, PhD(c),
Gregory Kirkner, MPH,
Sarah Levin Martin, PhD,
Deborah Parra-Medina, PhD and
Richard Schultz, PhD
Elizabeth J. Mayer-Davis, Angela M. DAntonio, Sharon M. Smith, and Richard Schulz are with the Arnold School of Public Health, Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, SC. Gregory Kirkner is an independent consultant in Milton, Mass. Sarah Levin Martin is with the Physical Activity and Health Branch, Division of Nutrition and Physical Activity, Centers for Disease Control and Prevention, Atlanta Ga. Deborah Parra-Medina is with the Department of Health Promotion, Education and Behavior, Arnold School of Public Health, and the Department of Womens Studies, University of South Carolina, Columbia, SC. Elizabeth J. Mayer-Davis also is with the Center for Research in Nutrition and Health Disparities, University of South Carolina. Richard Schulz also is with the College of Pharmacy, Department of Pharmaceutical and Health Outcomes Sciences, University of South Carolina.
Correspondence: Requests for reprints should be sent to Elizabeth J. Mayer-Davis, PhD, Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208 (e-mail: mayer{at}gwm.sc.edu).
Objectives. We evaluated lifestyle interventions for diabeticpersons who live in rural communities.
Methods. We conducted a 12-month randomized clinical trial (n= 152) of "intensive-lifestyle" (modeled after the NIH DiabetesPrevention Program) and "reimbursable-lifestyle" (intensive-lifestyleintervention delivered in the time allotted for Medicare reimbursementfor diabetes education related to nutrition and physical activity)interventions with usual care as a control.
Results. Modest weight loss occurred by 6 months among intensive-lifestyleparticipants and was greater than the weight loss among usual-careparticipants (2.6 kg vs 0.4 kg, P<.01). At 12 months, a greaterproportion of intensive-lifestyle participants had lost 2 kgor more than usual-care participants (49% vs 25%, P<.05).No differences in weight change were observed between reimbursable-lifestyleand usual-care participants. Glycated hemoglobin was reducedamong all groups (P<.05) but was not different between groups.
Conclusions. Improvement in both weight and glycemia was attainableby lifestyle interventions designed for persons who had type2 diabetes and lived in rural communities.
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