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"Prevalence and trends in obesity
among US adults, 1999-2000," by
Katherine M. Flegal and 3 others,
JAMA-Journal of the American Medical Association, 288(14): 1723-7, 9
October 2002.
[Authors' affiliation: National Center for
Health Statistics, Centers for Disease Control and Prevention, Hyattsville,
MD]
Abstract: "Context The
prevalence of obesity and overweight increased in the United States between
1978 and 1991. More recent reports have suggested continued increases but are
based on self-reported data. Objective To examine trends and
prevalences of overweight (body mass index [BMI] greater than or equal to 25)
and obesity
(BMI; greater than or equal to 30), using measured height and weight data. Design,
Setting, and Participants Survey of 4115 adult men and women conducted in
1999 and 2000 as part of the National Health and Nutrition Examination Survey
(NHANES), a nationally representative sample of the US population. Main
Outcome Measure Age-adjusted prevalence of overweight, obesity, and
extreme obesity compared with prior surveys, and sex-, age-, and
race/ethnicity-specific estimates. Results The age-adjusted prevalence
of obesity was 30.5% in 1999-2000 compared with 22.9% in NHANES III
(1988-1994; P<.001). The prevalence of overweight also increased during
this period from 55.9% to 64.5% (P<.001). Extreme obesity (BMI; greater
than or equal to 40) also increased significantly in the population, from 2.9%
to 4.7% (P=.002). Although not all changes were statistically significant,
increases occurred for both men and women in all age groups and for
non-Hispanic whites, non-Hispanic blacks, and Mexican Americans. Racial/ethnic
groups did not differ significantly in the prevalence of obesity or overweight
for men. Among women, obesity and overweight prevalences were highest among
non-Hispanic black women. More than half of non-Hispanic black women aged 40
years or older were obese and more than 80% were overweight. Conclusions
The increases in the prevalences of obesity and overweight previously observed
continued in 1999-2000. The potential health benefits from reduction in
overweight and obesity are of considerable public health importance."
This 2002 report from JAMA was cited 79 times in current journal
articles indexed by Thomson Scientific during July-August 2004. With its
latest two-month tally, this paper moves up from the #3 spot last time to
become the most-cited report in medicine published in the last two years,
excluding reviews. Prior to the most recent bimonthly count, citations to the
paper have accrued as follows:
May-June 2004: 58 citations
March-April 2004: 52
January-February 2004: 58
November-December 2003: 59
September-October 2003: 49
July-August 2003: 22
May-June 2003: 26
March-April 2003: 26
January-February 2003: 17
November-December 2002: 2
September-October 2002: 1
Total citations to date: 449
SOURCE: Hot
Papers Database (Included with a subscription to the ISI print newsletter Science
Watch®, available from the ISI
Research Services Group. Packaged on a CD-ROM that is mailed with each Science
Watch issue, the Hot
Papers Database contains data on hundreds of highly cited papers published
during the last two years. User interface permits searching by author,
organization, journal, field, and more. Total citations, as well as citations
accrued during successive bimonthly periods, can be assessed and graphed. An
updated CD containing the most recent bimonthly data is mailed with every new
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issue in HTML format, for personal desktop access.)
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