Design and implementation of a randomized controlled social and mobile weight loss trial for young adults (project SMART) |
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| Institution: | 1. Center for Wireless and Population Health Systems (CWPHS), Qualcomm Institute/Calit2, University of California, San Diego, La Jolla, CA 92093-0628, United States;2. Department of Family and Preventive Medicine, University of California, San Diego, La Jolla, CA 92093, United States;3. Graduate School of Public Health, San Diego State University, San Diego, CA 92182, United States;4. Medical Genetics Division and Political Science Department, University of California, San Diego, La Jolla, CA 92093, United States;5. Rady Children''s Hospital, San Diego, CA 92123, United States;6. Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, United States;7. Department of Computer Science and Engineering, University of California, San Diego, La Jolla, CA 92093, United States;8. Behavior Design Lab, Human Sciences and Technologies Advanced Research Institute, Stanford University, Stanford, CA 94305, United States;9. Division of General Pediatrics, Department of Pediatrics and Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, CA 94305, United States;1. Center for Wireless & Population Health Systems (CWPHS), Qualcomm Institute/Calit2, University of California, San Diego, 9500 Gilman Drive, Atkinson Hall, Dept 0811, La Jolla, CA 92093, USA;2. Department of Family & Preventive Medicine, University of California, San Diego, 9500 Gilman Drive, Dept 0628, La Jolla, CA 92093, USA;3. Graduate School of Public Health, San Diego State University, 5500 Campanile Drive, Hardy Tower 119, San Diego, CA 92182, USA;4. Rady Children''s Hospital, 3020 Children''s Way, San Diego, CA 92123, USA;5. Department of Pediatrics, University of California, San Diego, 3020 Children''s Way, MC 5109, La Jolla , CA 92093, USA;6. Department of Computer Science & Engineering, University of California, San Diego, 9500 Gilman Drive, Dept 0404, La Jolla, CA 92093, USA;7. Medical Genetics Division & Political Science Department, University of California, San Diego, 9500 Gilman Drive, Dept 0521, La Jolla, CA 92093, USA;1. Department of Preventive Medicine, Northwestern University, Feinberg School of Medicine, 680 N. Lake Shore Drive, Suite 1400, Chicago, IL 60611, United States;2. The Methodology Center, Department of Human Development & Family Studies, 400 Calder Square II, The Pennsylvania State University, University Park, PA 16801, United States;1. Department of Psychology, University of Oregon, Eugene, OR, USA;2. Prevention Sciences Institute, University of Oregon, Eugene, OR, USA |
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| Abstract: | PurposeTo describe the theoretical rationale, intervention design, and clinical trial of a two-year weight control intervention for young adults deployed via social and mobile media.MethodsA total of 404 overweight or obese college students from three Southern California universities (Mage = 22(± 4) years; MBMI = 29(± 2.8); 70% female) were randomized to participate in the intervention or to receive an informational web-based weight loss program. The intervention is based on behavioral theory and integrates intervention elements across multiple touch points, including Facebook, text messaging, smartphone applications, blogs, and e-mail. Participants are encouraged to seek social support among their friends, self-monitor their weight weekly, post their health behaviors on Facebook, and e-mail their weight loss questions/concerns to a health coach. The intervention is adaptive because new theory-driven and iteratively tailored intervention elements are developed and released over the course of the two-year intervention in response to patterns of use and user feedback. Measures of body mass index, waist circumference, diet, physical activity, sedentary behavior, weight management practices, smoking, alcohol, sleep, body image, self-esteem, and depression occur at 6, 12, 18, and 24 months. Currently, all participants have been recruited, and all are in the final year of the trial.ConclusionTheory-driven, evidence-based strategies for physical activity, sedentary behavior, and dietary intake can be embedded in an intervention using social and mobile technologies to promote healthy weight-related behaviors in young adults. |
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