Behavioral Changes Inadequate to Stop Early Childhood Obesity: Study

Behavioral changes might be insufficient to stop early childhood obesity in young children and their households who were able to make some possible behavioral change in the longest and largest obesity prevention intervention, reports a new study. The findings of the study are published in the journal JAMA.

The results of the Growing Right Onto Wellness (GROW) trial showed a short-term reduction in obesity that diminished over the three-year study period even in the face of improved, sustained nutrition and use of neighborhood recreation centers.

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‘Interventions to prevent childhood obesity using behavioral change needs to be intense and active for a longer period of time. ’

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Principal investigator Shari Barkin, MD, director of Pediatric Obesity Research at Monroe Carell Jr. Children's Hospital at Vanderbilt, said the amount of behavioral change likely needs to increase to be successful, but it remains unclear what would be enough to prevent childhood obesity in underserved, low-income populations those most at-risk for obesity and it's long-term health consequences.

"The interventions, even for prevention, likely need to be intense and active for longer periods of time," Barkin said. "We tested a tiered intervention consistent with adult obesity treatment trials, but childhood obesity prevention for underserved families might require sustained highly active interventions."

A total of 610 parent-preschool child pairs, 90 percent of whom were Hispanic, received high-dose behavioral intervention during the three-year study period. The children were at risk for obesity, but not yet obese.

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"This was a pragmatic study, based in families and the communities in which they lived," said Barkin, also the William K. Warren Foundation Endowed Professor and chief of the Division of Academic General Pediatrics at Children's Hospital.

Forty-two percent of families reported food insecurity with hunger, and 80 percent of participating parents were either overweight or obese.

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"The intervention seemed to work best for children who reported food insecurity with hunger at baseline," Barkin said. "We think this could be due to the fact that the intervention connected families to existing resources in their community and to other families in their neighborhoods, but this finding needs to be tested further."

The behavioral intervention included three phases - a 12-week skills building intensive phase, a nine-month phone call coaching maintenance phase and a 24-month cue-to-action sustainability phase.

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"In the face of the childhood obesity epidemic, this study underscores the ongoing need to find effective prevention interventions, particularly among low-income minority populations who have a high prevalence of obesity," said Charlotte Pratt, PhD, RD, National Heart, Lung, and Blood Institute (NHLBI) program director for the GROW trial and a co-author of the study. NHLBI is part of the National Institutes of Health (NIH).

Source-Eurekalert