Sci-Bytes : 2008 : 02.24.2008 - Hot Paper in Medicine
SCI-BYTES - WHAT'S NEW IN RESEARCH
Week of February 24, 2008
Hot Paper inMedicine
"Prevalence of overweight and obesity in the United States,
1999-2004," by Cynthia L. Ogden and 5 others, JAMA,
295(13): 1549-55, 5 April 2006.
Abstract: "Context The prevalence of
overweight in children and adolescents and obesity in adults in the United
States has increased over several decades. Objective To
provide current estimates of the prevalence and trends of overweight in
children and adolescents and obesity in adults. Design, Setting,
and Participants Analysis of height and weight measurements from
3958 children and adolescents aged 2 to 19 years and 4431 adults aged 20
years or older obtained in 2003-2004 as part of the National Health and
Nutrition Examination Survey (NHANES), a nationally representative sample
of the US population. Data from the NHANES obtained in 1999-2000 and in
2001-2002 were compared with data from 2003-2004. Main Outcome
Measures Estimates of the prevalence of overweight in children and
adolescents and obesity in adults. Overweight among children and
adolescents was defined as at or above the 95th percentile of the
sex-specific body mass index (BMI) for age growth charts. Obesity among
adults was defined as a BMI of 30 or higher; extreme obesity was defined as
a BMI of 40 or higher. Results In 2003-2004, 17.1% of US
children and adolescents were overweight and 32.2% of adults were obese.
Tests for trend were significant for male and female children and
adolescents, indicating an increase in the prevalence of overweight in
female children and adolescents from 13.8% in 1999-2000 to 16.0% in
2003-2004 and an increase in the prevalence of overweight in male children
and adolescents from 14.0% to 18.2%. Among men, the prevalence of obesity
increased significantly between 1999-2000 (27.5%) and 2003-2004 (31.1%).
Among women, no significant increase in obesity was observed between
1999-2000 (33.4%) and 2003-2004 (33.2%). The prevalence of extreme obesity
(body mass index >= 40) in 2003-2004 was 2.8% in men and 6.9% in women.
In 2003-2004, significant differences in obesity prevalence remained by
race/ethnicity and by age. Approximately 30% of non-Hispanic white adults
were obese as were 45.0% of non-Hispanic black adults and 36.8% of Mexican
Americans. Among adults aged 20 to 39 years, 28.5% were obese while 36.8%
of adults aged 40 to 59 years and 31.0% of those aged 60 years or older
were obese in 2003-2004. Conclusions The prevalence of
overweight among children and adolescents and obesity among men increased
significantly during the 6-year period from 1999 to 2004; among women, no
overall increases in the prevalence of obesity were observed. These
estimates were based on a 6-year period and suggest that the increases in
body weight are continuing in men and in children and adolescents while
they may be leveling off in women."
This 2006 report from JAMA was cited 118
times in current journal articles indexed by Thomson
Scientific during September-October 2007. This paper's status as the
most-cited medicine report published in the last two years (aside from
reviews) now extends to three consecutive bimonthly tallies. Prior to the
most recent two-month count, citations to the paper have accrued as
follows:
SOURCE:
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Sci-Bytes : 2008 : 02.24.2008 - Hot Paper in Medicine
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