The purpose of this study is to determine the effect of dose and content of an enhanced weight maintenance treatment on children's ability to maintain weight loss following a standard weight loss treatment.
Childhood Obesity (CO) prevalence in the United States has tripled in recent decades, and nearly 30% of children aged 6 to 11 are overweight or obese. CO is a serious public health problem, and is associated with both immediate and long-term health problems (e.g., hypertension, type 2 diabetes, asthma) and psychosocial problems (e.g., social isolation, depression, eating disorder symptomatology). Furthermore, CO is a significant risk factor for adult obesity with several prospective studies showing that, if untreated, about half of overweight grade-school children remain obese as adults. Fortunately, children respond favorably to family-based behavioral weight loss treatment (FBT), the most well-established intervention for the treatment of overweight in children 7 to 12 years old. Weight loss treatments for overweight children have been associated with significant physical and psychosocial health benefits; however, despite initial success with lifestyle interventions, considerable relapse often occurs once treatment ends. Clearly, CO is a significant public health problem, and long-term maintenance of weight loss remains a priority to stem the increased costs to the individual and society. Therefore, we propose to conduct a multi-site randomized controlled trial with overweight children (N=241) and their parents (N=241) \[for a total N=482\]. All participants will complete 4 months of FBT and then be randomized to one of three, 8-month maintenance conditions: (1) Weight Maintenance Therapy, who will receive SFM - Low Dose \[LOW\] (16 sessions over 8 months), (2) Intensive Weight Maintenance Therapy, who will receive SFM - High Dose \[HIGH\] (32 sessions over 8 months), or (3) Current Standard of Care, who will receive Weight Maintenance Education (16 sessions over 8 months). Relative weight and associated outcomes will be assessed at 0 (pre-weight loss), 4 (post-weight loss), 12 (post-maintenance treatment),18 months and 24 months. Additionally, brief assessments will be conducted at four points during the course of maintenance treatment to measure presumed mediators.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
482
The SFM intervention assumes people need a social environment that supports changes in eating and physical activity for continued weight maintenance. Therefore, the SFM intervention will focus on helping families create a social environment that supports weight maintenance (e.g., children being friends with physically active peers). Participants in this group will meet less often than families that receive the Social Facilitation Maintenance (SFM) - High Dose intervention, giving them more opportunities to practice new skills between clinic visits.
The Weight Maintenance Education intervention will help participants in parent and child groups to learn more about healthy eating and physical activity in a group setting. Participants will also learn about exercise and exercise safety, hydration during exercise, and stress management. Parent and child groups will combine for particular on-site and off-site activities, such as cooking demonstrations, grocery store tours, gym tours, and dance lessons.
Washington University School of Medicine
St Louis, Missouri, United States
Seattle Children's Hospital Research Institute
Seattle, Washington, United States
Child percent overweight
Time frame: 1 year
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The SFM intervention assumes people need a social environment that supports changes in eating and physical activity for continued weight maintenance. Therefore, the SFM intervention will focus on helping families create a social environment that supports weight maintenance (e.g., children being friends with physically active peers). Participants in this group will meet more often than families that receive the Social Facilitation Maintenance (SFM) - Low Dose intervention, allowing for more in-depth discussion and practice of key skills and concepts related to creating a social environment that supports a healthy lifestyle. These participants will receive more feedback and reinforcement from fellow group members, family interventionists, and group leaders for practicing their new behaviors.