the american lifestyleNOTE: Obesity is defined as body mass index (BMI) greater than or equal to sex- and
age-specific 95th percentile from the 2000 CDC Growth Charts.
SOURCES: CDC/NCHS, National Examination Surveys II (ages 6-11), III (ages 12-17), and
National Health and Nutrition Examination Survey (NHANES) I-III, and NHANES 1999-
2000, 2001-2002, 2003-2004, 2005-2006, and 2007-2008.
Cynthia Ogden and Margaret Carroll, Prevalence of Obesity Among Children and
Adolescents: United States, Trends 1963–1965 Through 2007–2008. Division of Health and
Nutrition Examination Surveys, National Center for Health Statistics, Centers for Disease
Control and Prevention.
SOURCE: CDC 1992 National Health Interview Survey Youth Risk Behavior Survey
Physical Activity Levels of Adolescents and Young Adults, by Age and Sex. Physical Activity
and Health: A Report From The Surgeon General. Centers for Disease Control and
Prevention, National Center for Chronic Disease Prevention and Health Promotion.