New CDC data shows 43 percent drop in obesity rates among children 2 to 5


CDC data show decreases in consumption of sugar-sweetened beverages among youth in recent years. (Sam Hodgson/REUTERS)

New federal data published Tuesday show a 43 percent drop in obesity rates among children ages 2 to 5 during the past decade, providing another encouraging sign in the fight against one of the country’s leading public health problems, officials said.

The finding comes from a government study considered a gold standard to measure public-health trends. Researchers found that just over 8 percent of children 2 to 5 were obese in 2011-2012, down from nearly 14 percent in 2003-2004. Although the drop was significant, federal health officials noted that obesity rates for the broader population remain unchanged, and for women older than 60, obesity rates rose about 21 percent during that period.

The report, published online Tuesday in the Journal of the American Medical Association, comes on the heels of data released last year by the Centers for Disease Control and Prevention that found that obesity rates among low-income preschoolers participating in federal nutrition programs declined broadly from 2008 to 2011 after rising for decades.

Cynthia Ogden, a CDC epidemiologist and lead author of the most recent study, said that the data offer good news in at least one age group.

“We see hope in young kids,” she said.

First lady Michelle Obama marked the fourth anniversary of her campaign to end childhood obesity at the White House on Tuesday. (Reuters)

The National Health and Nutrition Examination Survey tracks obesity data by measuring height and weight. The data are released every two years.

CDC officials said that last year’s data represented the largest and most comprehensive report of declining obesity rates in poor children. Nineteen states and U.S. territories had a lower percentage of obese children ages 2 to 4.

“We continue to see signs that, for some children in this country, the scales are tipping,” CDC Director Tom Frieden said. Federal researchers have also seen encouraging signs from communities across the country with obesity-prevention programs, including Anchorage, Philadelphia, New York City and King County, Wash., he said.

“This confirms that at least for kids, we can turn the tide and begin to reverse the obesity epidemic,” Frieden said.

Researchers say that they don’t know the precise reasons behind the drop in obesity rates for children 2 to 5. But they noted that many child-care centers have started to improve nutrition and physical activity standards over the past few years. Ogden said that CDC data also show decreases in consumption of sugar-sweetened beverages among youth in recent years.

Another possible factor might be improvement in breastfeeding rates in the United States, which helps fight obesity in breastfed children.

In a statement, first lady Michelle Obama praised the progress in lowering obesity rates among young children and said that participation in her Let’s Move! program was encouraging healthier habits.


What happens inside a child or teen suffering with obesity?

A child is considered obese if his or her body mass index, calculated using weight and height, is at or above the 95th percentile for children of the same age and sex, according to CDC growth charts.

About 17 percent of youth 2 to 19 are considered obese, and 35 percent of adults are considered obese.

Lena H. Sun is a national reporter for The Washington Post, focusing on health.
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