The latest estimates for overweight children from birth up to 23 months old are up slightly from survey results collected in 2001-02 (when 7.9 percent of the children in that age group were overweight). But the results are down slightly from 1999-2000 levels, when an estimated 10.6 percent were overweight.
The data was derived from the National Health and Nutrition Examination Survey (NHANES), which included household interviews and physical examinations of participants. Babies were weighed and measured for length while lying down.
The NHANES data for children 6 months to 23 months show a general trend toward heavier babies dating back from 1976, when 7.2 percent of children were overweight. In 2003-04, the survey showed 11.5 percent of children in that age group were overweight.
The survey of older children—2 to 19 years old—showed that an estimated 17 percent of children and adolescents were overweight in 2003-04. The percentage of overweight children rose from 2001-02 levels: from 7.2 to 13.9 percent among 2 to 5 year olds. Among 6 to 11 year olds, overweight children rose from 11 to 19 percent between 1988-94 and 2003-2004. During the same time period, 12 to 19 year olds also experienced an increase, going 11 to 17 percent.
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