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Make Weight Loss a Family Affair

Study: Overweight Kids Lose Weight When Their Parents Do
WebMD Health News
Reviewed by Louise Chang, MD

April 6, 2012 -- Want to get your overweight child to lose weight, but don't know how?

Do the same thing yourself.

This is the main finding from a new study of 80 overweight or obese children and their parents. When parents lost weight, their kids did, too. For each one unit decrease in the parent's body mass index or BMI, children lost one quarter of a BMI unit.

"That is a lot of weight on a child," says researcher Kerri N. Boutelle, PhD. She is an associate professor of pediatrics and psychiatry at University of California-San Diego and Rady Children's Hospital, also in San Diego.

Since 1970, the rate of childhood obesity in the U.S. has tripled. About 1 in 3 children in America are overweight or obese. As a result, obesity-related diseases and conditions normally only seen in adults are increasingly diagnosed in kids.

To find out what helps children lose weight and what doesn't, Boutelle and colleagues looked at a number of factors. These included a parent's weight loss, changes in foods served at home, and parenting style such as setting limits on behavior.

The researchers divided the families into two groups. In one group, parent and child attended separate sessions in a five-month weight loss program that included dietary changes, exercise, behavioral change skills, and parenting skills. In the other group, parents were the only ones who participated in the weight loss program.

"The only thing that was associated with weight loss was parental weight loss," Boutelle says.

Study: No I in Team

The average BMI of parents in the study was obese, but not all the parents in the study were overweight. The findings may have been even more dramatic if all the parents were overweight or obese, Boutelle says.

"Children look up to their parents," she says. "It is not fair to tell a child to lose weight if you don't do it yourself."

It has to be a team effort.

Her message to parents? "Walk your own talk."

Nazrat Mirza, MD, is a pediatrician at the Obesity Institute at Children's National Medical Center in Washington, D.C. "This study reaffirms the role of the parent and the fact that changes need to be made in the home environment to be sustainable."

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