Katherine M Flegal

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OBJECTIVE To develop an internationally acceptable definition of child overweight and obesity, specifying the measurement, the reference population, and the age and sex specific cut off points. DESIGN International survey of six large nationally representative cross sectional growth studies. SETTING Brazil, Great Britain, Hong Kong, the Netherlands,(More)
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(More)
CONTEXT The prevalence of obesity increased in the United States between 1976-1980 and 1988-1994 and again between 1988-1994 and 1999-2000. OBJECTIVE To examine trends in obesity from 1999 through 2008 and the current prevalence of obesity and overweight for 2007-2008. DESIGN, SETTING, AND PARTICIPANTS Analysis of height and weight measurements from(More)
IMPORTANCE More than one-third of adults and 17% of youth in the United States are obese, although the prevalence remained stable between 2003-2004 and 2009-2010. OBJECTIVE To provide the most recent national estimates of childhood obesity, analyze trends in childhood obesity between 2003 and 2012, and provide detailed obesity trend analyses among adults.(More)
CONTEXT Between 1980 and 1999, the prevalence of adult obesity (body mass index [BMI] ≥30) increased in the United States and the distribution of BMI changed. More recent data suggested a slowing or leveling off of these trends. OBJECTIVE To estimate the prevalence of adult obesity from the 2009-2010 National Health and Nutrition Examination Survey(More)
OBJECTIVES This report provides detailed information on how the 2000 Centers for Disease Control and Prevention (CDC) growth charts for the United States were developed, expanding upon the report that accompanied the initial release of the charts in 2000. METHODS The growth charts were developed with data from five national health examination surveys and(More)
Donald Lloyd-Jones, MD, ScM, FAHA; Robert Adams, MD, FAHA; Mercedes Carnethon, PhD, FAHA; Giovanni De Simone, MD; T. Bruce Ferguson, MD; Katherine Flegal, PhD*; Earl Ford, MD, MPH*; Karen Furie, MD; Alan Go, MD; Kurt Greenlund, PhD*; Nancy Haase; Susan Hailpern, DPH; Michael Ho, MD, PhD; Virginia Howard, PhD, FAHA; Brett Kissela, MD; Steven Kittner, MD;(More)
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(More)
OBJECTIVES This report presents the revised growth charts for the United States. It summarizes the history of the 1977 National Center for Health Statistics (NCHS) growth charts, reasons for the revision, data sources and statistical procedures used, and major features of the revised charts. METHODS Data from five national health examination surveys(More)