Childhood Obesity

“The past few decades have seen an alarming increase in the number of overweight youth” (Mullen & Shield, p.4, 2004).

What is the prevalance of this health issue?

The following table from the National Center for Health Statistics 2003-2004 National Health and Nutrition Examination Surveys (NHANES) shows the prevalence of Childhood Obesity:

The table indicates that the rate of overweight children aged 6-11 has tripled, while adolescents aged 12-19 has quadrupled over the last 30 years.

This has led researchers to predict that nearly half of “all children” in North America will be overweight by 2010, putting 80% of this prediction at risk for adult obesity as well.

How do you define Childhood Obesity?

Childhood obesity is defined by using a tool named Body Mass Index (BMI).
BMI = ratio of weight in kg to squared height in metres

““Overweight” is defined as BMI for age and gender at or above the 95th percentile. “At risk of overweight” is defined as a BMI for age and gender from the 85th to the 95th percentile” (Mullen, & Shield, p. 10, 2004)

 

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