When trying to help children lose weight, involving a parent in the treatment makes the entire family healthier, researchers at Washington University School of Medicine in St. Louis have shown.
Investigators from the university’s Center for Healthy Weight and Wellness tested a family-based treatment that involved weekly meetings over a period of several months. During that time, parents were taught to engineer a home environment that supported healthy eating and activity. They also were taught to model healthy behaviors for their children so that kids themselves could learn to make healthier choices.
Childhood obesity in the U.S. has reached epidemic levels: Nearly one in three children is overweight or has obesity. The overall rate is 17 percent, with 6 percent of kids having severe obesity. It is one of the biggest drivers of preventable, chronic diseases and health-care costs in the United States, with cost estimates ranging from $147 billion to nearly $210 billion per year. The current generation of children may be the first to live shorter lives than their parents
The researchers found that when a parent and child received follow-up care that was more comprehensive after an initial intervention, both did better than others whose follow-up was less comprehensive. The researchers tested a more and a less intensive version of the follow-up program and found that those who received the higher “dose” of follow-up also had better outcomes. Denise E. Wilfley, the Scott Rudolph University Professor of Psychiatry, led the study, which is available in the journal JAMA Pediatrics.
Some families received enhanced follow-up every week, some every other week, and a third group received more general, group education every other week. What was the most effective approach?
The family-based behavioral weight loss treatment protocol we used involved weekly, 30-minute family sessions and 45 minutes of separate parent and child group sessions. After 16 weeks, participants were randomized to eight months of either a high dose (weekly) or a low dose (every other week) of what we call enhanced social facilitation maintenance. That’s a multicomponent intervention that takes multiple social and environmental factors into account and works to enhance peer and family support and re-engineer the family home and environment to make the healthy choice the easy choice. Our control group got a more general weight-management education intervention.
All three groups made significant improvements during the first four months, but the enhanced, weekly program led to the best outcomes. The high-dose group had the greatest proportion of children who achieved clinically meaningful weight loss — 82 percent — compared with 64 percent in the group that participated in the follow-up every other week, and 48 percent in the control group.
It’s important that kids get into treatment early in life because as they age, children need to lose more weight to achieve a healthy weight status.
What are the triggers and traps that children with obesity and their families need to fix in the places where they live, learn, work and play?
We teach parents to engineer home environments that better support healthy eating and activity. When parents are active participants, the children do better. We then support entire families as they attempt to make healthy choices in school, work, peer and community environments. Shared environments and social circles might promote unhealthy eating options and sedentary behavior. For example: the presence of bowls of candy or treats around the house over the holidays; hectic schedules that lead to irregular meal times; and unusual bedtimes that might contribute to late-night eating or getting too little sleep. We also work to promote positive body esteem.
Out in the community, high-fat, high-sugar foods often are easier to find than healthy, nutritious foods. And in some areas where neighborhoods are unsafe, it’s hard to get exercise. These contribute to more sedentary behaviors that increase risk of obesity and becoming overweight.
How can you bring the family-based treatment to pediatricians’ offices to help more children?
Weight issues are among the most common problems seen by pediatricians. Family-based treatment is available mainly in specialty clinics, but our next study moves it into primary-care settings, so a pediatrician can connect kids and parents to behavioral health specialists within the practice. That should increase the likelihood that families will follow through.
To date, there have been many barriers to children receiving family-based treatment, despite the fact that research has established it as effective. For one thing, family-based treatment is time-consuming and intensive, and many pediatricians don’t have the time or resources to offer it, so we will be bringing behavioral health specialists to families in the familiar setting of their pediatricians’ offices. Plus, family-based treatment has been shown to have effects on other family members who are overweight but who aren’t directly involved in the intervention. We also think our approach could help overcome barriers to treatment that are posed by fragmentation of care and different providers recommending different things by putting the entire treatment team in one place. We believe this study will teach us how to use this treatment most effectively in primary-care settings.
Wilfley DE, et al. Dose, content and mediators of family-based treatment for childhood obesity: a multisite randomized clinical trial. JAMA Pediatrics, Oct. 30, 2017. doi:10.1001/jamapediatrics.2017.2960
This work was supported by the Eunice Kennedy Shriver National Institute of Child Health and Human Development, the National Institute of Mental Health, the National Institute of Diabetes and Digestive and Kidney Diseases, the National Center for Research Resources and the National Heart, Lung, and Blood Institute of the National Institutes of Health (NIH), grant numbers R01 HD036904, K24 MH070446, K23 DK060476, KL2 RR024994, UL1 RR024992, UL1 RR025014, T32 HL007456, P30 DK056341, UL1 TR000448, UL1 TR000423. Additional funding was provided by the St. Louis Children’s Hospital Foundation, and institutional support from Washington University School of Medicine and Seattle Children’s Research Institute.
Washington University School of Medicine’s 2,100 employed and volunteer faculty physicians also are the medical staff of Barnes-Jewish and St. Louis Children’shospitals. The School of Medicine is one of the leading medical research, teaching and patient-care institutions in the nation, currently ranked seventh in the nation by U.S. News & World Report. Through its affiliations with Barnes-Jewish and St. Louis Children’s hospitals, the School of Medicine is linked to BJC HealthCare.
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