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Your Kids Are What You Eat

Many people accept the old axiom, "You are what you eat." That's not to say you become a carrot if you eat carrots, of course, but rather that a regular pattern of eating carrots will shape you in a much different way than a regular pattern of eating cotton candy.

Now researchers are suggesting there may be a lesser-known corollary: "Your kids are what you eat."

In a new analysis of parent-child diet quality and calories consumed, a team of seven researchers found the two are related in significant ways, a connection that could lead to better strategies as the nation works to address the growing public health problems of obesity and related conditions such as heart disease, stroke, and diabetes.

According to the US Centers for Disease Control and Prevention, more than one-third of US adults are obese, and about 17% of the nation's youth (aged 2 to 19) are obese.

As dietary details emerged for hundreds of parents and children who participated in the study, there was cause for concern.

"Unfortunately, people are not doing very well in terms of diet quality," says Shannon Robson, PhD, an assistant professor of behavioral health and nutrition at the University of Delaware and the lead author of the report, published in the Journal of the Academy of Nutrition and Dietetics. "Parents had better diet quality than kids, but only by a little bit."

The analysis draws on data from a Neighborhood Impact on Kids study that looked at 698 parent-child duos to better understand obesity and related behaviors. The children were 6 to 12 years old and all lived in King County, Washington, or San Diego County, California, when the study was done from 2007 to 2009.

Preliminary screenings excluded anyone with a chronic illness that affects growth, an eating disorder, medically prescribed dietary regimens, or psychiatric disorders.

To get a sampling of dietary practice, researchers looked at up to three random days of eating data for each twosome, including at least one weekday and one weekend day. More than 98% of participants reported three days of dietary data.

They analyzed the data using the Healthy Eating Index of 2010 (HEI-2010), the Dietary Approaches to Stop Hypertension (DASH) score, and energy density (calories per gram of food). The HEI-2010 looks at 12 dietary components, including empty calories, to assess overall quality, while the DASH score looks at eight food groups to measure intake of foods groups like vegetables, fruit, and low-fat dairy products.

Overall, parents had a higher score on both measures of diet quality, but on average managed just 64.5% of optimal levels on the HEI-2010 and just 56.6% of the optimal DASH score. Kids averaged 58.3% and 54.3%, respectively.

Caloric intake was more similar, with children eating an average of 1,751 kcal per day and parents 1,763 kcal.

After controlling for demographics, neighborhood type, and BMI, researchers found parental diet to be the strongest predictor of a child's diet quality.

They found two clear culprits for poorer diet quality among children: too few vegetables and too many empty calories.

Researchers said the data were limited by several factors, with particular mention of ethnic and/or racial diversity among participants. Most participating parents were mothers, and researchers said some bias might be a factor in how parents report data for their children.

— Source: University of Delaware

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