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Study: Parents can’t spot child obesity

Researchers have identified a new culprit in the epidemic of childhood obesity: parents who can’t even tell that their pudgy kids are overweight.

A new study in the journal Pediatrics finds that American parents are significantly less likely to make an accurate assessment of their children’s weight compared with parents from an earlier generation. If moms and dads don’t see the problem, they aren’t likely to be part of the solution, the researchers say.

“Crucial to parental involvement in weight reduction or maintenance efforts among children is parental recognition of their child’s overweight status,” the team wrote in the recent study. “This recognition and the associated health risks are the main driving force motivating parents to take action.”

The Centers for Disease Control and Prevention define childhood obesity not according to body mass index (as it does for adults) but according to how a child’s BMI compares with that of other kids of the same age and gender. Children who have a BMI at or above the 95th percentile are considered obese, and those with a BMI between the 85th and 95th percentiles are considered overweight. In 2012, fully 18 percent of children between the ages of 6 and 11 were considered obese, up from 7 percent in 1980, the study authors wrote.

Previous studies have documented that parents aren’t always attuned to the fact that their kids are carrying around more pounds than they ought to. Indeed, researchers have found that some low-income mothers reject the CDC’s growth charts as “ethnically biased and therefore invalid,” the study authors wrote.

The new study is believed to be the first aimed at determining whether parental misperception of children’s weight is getting worse.

“As the prevalence of pediatric obesity has tripled within decades, the socially accepted ideal body weight may also be shifting accordingly,” wrote the researchers, who are from Georgia Southern University in Statesboro, New York University and Fudan University in Shanghai.

So they looked at data on children between the ages of 6 and 11 that were collected as part of the CDC’s National Health and Nutrition Examination Survey, which has been tracking the health of Americans since the 1960s.

They pulled records on 2,871 kids who participated in NHANES between 1988 and 1994, as well as 3,202 kids who were tracked between 2005 and 2010. In both instances, their parents (usually their moms) were asked whether they thought the children’s weight was too high, too low or just about right.

In the more recent survey, 83 percent of the overweight boys and 78 percent of the overweight girls were judged to be “about the right weight” by their parents, according to the study. Those figures were higher than in the earlier survey, when the parents of 78 percent of overweight boys and of 61percent of overweight girls thought their children’s weight was fine.

Additionally, the proportion of parents who recognized that their children were overweight fell, from 21 percent to 16 percent for parents of boys and from 39 percent to 22 percent for parents of girls, the researchers found.


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