A Randomized Trial of Tailoring and Motivational Interviewing to Promote Fruit and Vegetable Consumption for Cancer Prev
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ORIGINAL ARTICLE
A Randomized Trial of Tailoring and Motivational Interviewing to Promote Fruit and Vegetable Consumption for Cancer Prevention and Control Marci Kramish Campbell, Ph.D. & Carol Carr, M.A. & Brenda DeVellis, Ph.D. & Boyd Switzer, Ph.D. & Andrea Biddle, Ph.D. & M. Ahinee Amamoo, M.S. & Joan Walsh, Ph.D. & Bingqing Zhou, M.S. & Robert Sandler, M.D., M.P.H.
Published online: 12 December 2009 # The Society of Behavioral Medicine 2009
Abstract Background Healthful dietary patterns, including eating fruits and vegetables (F&V) and avoiding obesity, may decrease the risk of cancer and other chronic diseases. In addition to promoting health for the general population, a cancer diagnosis may provide a “teachable moment,” facilitating the adoption of more healthful eating habits and M. K. Campbell (*) : B. Switzer : J. Walsh Department of Nutrition, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA e-mail: [email protected] C. Carr Lineberger Comprehensive Cancer Center, UNC-Chapel Hill, Chapel Hill, NC, USA B. DeVellis Department of Health Behavior and Health Education, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA A. Biddle Department of Health Policy and Management, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA M. A. Amamoo : R. Sandler Department of Epidemiology, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA B. Zhou Department of Biostatistics, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA
leading to lower risk of chronic disease and better overall health. Purpose This study was designed to test the effectiveness of two health communication interventions in increasing F&V consumption and physical activity in a sample of older adults (average age of 66 years), including both colorectal cancer (CRC) survivors and noncolorectal cancer-affected (N-CRC) individuals. Methods CRC survivors and N-CRC individuals were recruited from a population-based case–control study and randomly assigned to four conditions using a 2×2 design. We tested two different methods of communicating and promoting health behavior change alone or in combination: tailored print communication (TPC) and brief telephonebased motivational interviewing (TMI). Results A significant increase in F&V consumption was found for the combined intervention group in the entire sample (p
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