Underweight older adults, children decrease in U.S.

July 15, 2009

Poor nutrition or underlying health conditions can sometimes cause a person to be underweight. Data from the 2003-2006 National Health and Nutrition Examination Survey (NHANES) showed that an estimated 1.8% of U.S. adults are underweight. Between 1988-1994 and 2003-2006, a statistically significant decrease in the percentage of those underweight was found only among those aged 60 and over. In this age group, the percentage underweight was 2.3% in 1988-1994 and 1.2% in 2003-2006.

For more, visit http://www.cdc.gov/nchs/data/hestat/underweight_adults.htm.

Results from the 2003-2006 NHANES showed that about 3.3% of children and adolescents aged 2-19 years are underweight. Trends from 1971-1974 to 2003-2006 show that there has been an overall significant decrease in underweight children and adolescents, from 5.1% to 3.3%. Underweight significantly decreased from 5.8% to 2.8% among 2-5 year olds and from 5.3% to 2.7% among 6-11 year olds. Among adolescents aged 12-19, underweight decreased, although not significantly, from 4.7% to 3.8% during the same time period.

For more, visit http://www.cdc.gov/nchs/data/hestat/underweight_children.htm.

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New Health E-Stat integrates obesity and overweight prevalence data

January 14, 2009

Results from the 2005-2006 National Health and Nutrition Examination Survey (NHANES), using measured heights and weights, indicate that an estimated 32.7 percent of U.S. adults 20 years and older are overweight, 34.3 percent are obese and 5.9 percent are extremely obese. Additional data as well as figures and tables can be found by visiting the following Web addres: http://www.cdc.gov/nchs/products/pubs/pubd/hestats/overweight/overweight_adult.htm


Mean height and weight of children

August 14, 2007

The National Health and Nutrition Examination Survey has studied the height and weight of Americans for decades. Tables documenting the increase in both height and weight for children and adolescents aged 2-19 since 1963 can be found here.