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Comparative Study
. 2012 Feb 1;307(5):483-90.
doi: 10.1001/jama.2012.40. Epub 2012 Jan 17.

Prevalence of obesity and trends in body mass index among US children and adolescents, 1999-2010

Cynthia L Ogden  1 , Margaret D Carroll, Brian K Kit, Katherine M Flegal
Affiliations
Comparative Study

Prevalence of obesity and trends in body mass index among US children and adolescents, 1999-2010

Cynthia L Ogden et al. JAMA. .

Abstract

Context: The prevalence of childhood obesity increased in the 1980s and 1990s but there were no significant changes in prevalence between 1999-2000 and 2007-2008 in the United States.

Objectives: To present the most recent estimates of obesity prevalence in US children and adolescents for 2009-2010 and to investigate trends in obesity prevalence and body mass index (BMI) among children and adolescents between 1999-2000 and 2009-2010.

Design, setting, and participants: Cross-sectional analyses of a representative sample (N = 4111) of the US child and adolescent population (birth through 19 years of age) with measured heights and weights from the National Health and Nutrition Examination Survey 2009-2010.

Main outcome measures: Prevalence of high weight-for-recumbent length (≥95th percentile on the growth charts) among infants and toddlers from birth to 2 years of age and obesity (BMI ≥95th percentile of the BMI-for-age growth charts) among children and adolescents aged 2 through 19 years. Analyses of trends in obesity by sex and race/ethnicity, and analyses of trends in BMI within sex-specific age groups for 6 survey periods (1999-2000, 2001-2002, 2003-2004, 2005-2006, 2007-2008, and 2009-2010) over 12 years.

Results: In 2009-2010, 9.7% (95% CI, 7.6%-12.3%) of infants and toddlers had a high weight-for-recumbent length and 16.9% (95% CI, 15.4%-18.4%) of children and adolescents from 2 through 19 years of age were obese. There was no difference in obesity prevalence among males (P = .62) or females (P = .65) between 2007-2008 and 2009-2010. However, trend analyses over a 12-year period indicated a significant increase in obesity prevalence between 1999-2000 and 2009-2010 in males aged 2 through 19 years (odds ratio, 1.05; 95% CI, 1.01-1.10) but not in females (odds ratio, 1.02; 95% CI, 0.98-1.07) per 2-year survey cycle. There was a significant increase in BMI among adolescent males aged 12 through 19 years (P = .04) but not among any other age group or among females.

Conclusion: In 2009-2010, the prevalence of obesity in children and adolescents was 16.9%; this was not changed compared with 2007-2008.

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Conflict of interest statement

Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.

Figures

Figure 1.
Figure 1.
High Weight-for-Recumbent Length in US Infants and Toddlers From Birth to 2 Years of Age Data are weighted.
Figure 2.
Figure 2.
Prevalence of Obesity in US Males and Females Aged 2 Through 19 Years Data are weighted.
See this image and copyright information in PMC

Comment in

  • Obesity: Is prevalence leveling off?
    Osório J. Osório J. Nat Rev Endocrinol. 2012 Feb 7;8(4):195. doi: 10.1038/nrendo.2012.18. Nat Rev Endocrinol. 2012. PMID: 22310852 No abstract available.
  • Obesity in US children and adults.
    Sauaia A, Byers T. Sauaia A, et al. JAMA. 2012 May 23;307(20):2145. doi: 10.1001/jama.2012.4726. JAMA. 2012. PMID: 22618911 No abstract available.
  • In Reply.
    Ogden CL, Kit BK, Flegal KM. Ogden CL, et al. JAMA. 2012 May 23;307(20):2145-2146. doi: 10.1001/jama.2012.4728. JAMA. 2012. PMID: 32632337 Free PMC article. No abstract available.

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