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Original site: www.cdc.gov/obesity/data-and-statistics/surveillance-systems.html | RestoredCDC.org is an independent project, not affiliated with CDC or any federal entity. Visit CDC.gov for free official information. Due to archival on January 6, 2025, recent outbreak data is unavailable. Videos are not restored. Access data.restoredcdc.org for restored data. Use of this site implies acceptance of this disclaimer.[More]About Us Report Bug Compare ContentSkip directly to site content Skip directly to search Skip directly to On This PageAn official website of the United States governmentHere's how you knowOfficial websites use .govA .gov website belongs to an official government organization in the United States.Secure .gov websites use HTTPSA lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.ObesityExplore TopicsSearchSearchClear InputFor Everyone* About Obesity* Risk Factors for Obesity* What Can Be Done* Adult Obesity Facts* Obesity Data and Statistics* View allHealth Care Providers* Health Care Strategies* Screening for Child Obesity* Evaluation and Treatment* View allRelated Topics:About Healthy Weight and Growth | Body Mass Index (BMI) | About Nutrition | About Physical ActivityView Allsearch close searchsearchObesity Menu CloseObesity MenusearchFor Everyone* About Obesity* Risk Factors for Obesity* What Can Be Done* Adult Obesity Facts* Obesity Data and Statistics* View All* View All HomeHealth Care Providers* Health Care Strategies* Screening for Child Obesity* Evaluation and Treatment* View AllRelated Topics* About Healthy Weight and Growth* Body Mass Index (BMI)* About Nutrition* About Physical ActivityView All ObesityAbout Obesity Risk Factors for Obesity What Can Be Done Adult Obesity Facts Obesity Data and Statistics View AllAbout Obesity Risk Factors for Obesity What Can Be Done Obesity Data and Statistics View AllJanuary 18, 2024Surveillance Systems for ObesityAt a glanceCDC uses several surveillance systems to monitor obesity and obesity-related behaviors such as diet and physical activity. These surveillance systems use surveys that are conducted again and again to monitor long-term trends on health-related topics.How CDC uses information from surveillance systemsCDC conducts surveillance of chronic diseases to:* Better understand the extent of health risk behaviors, preventive care practices, and the burden of chronic diseases, such as obesity.* Monitor the progress of prevention efforts.* Help public health professionals and policy makers make more timely and effective decisions.Key obesity-related surveillance systemsNational Health and Nutrition Examination Survey (NHANES)NHANES assesses the health of American adults and children through a combination of in-person interviews and physical examinations. It consists of a nationally representative sample of about 5,000 people each year. CDC uses NHANES data for national estimates.Behavioral Risk Factor Surveillance System (BRFSS)BRFSS is a state-based, phone survey conducted by CDC and state health departments. It collects self-reported information about health conditions and behaviors, such as physical inactivity and fruit and vegetable consumption, among adults. CDC uses BRFSS data for state-level estimates.Youth Risk Behavior Surveillance System (YRBSS)YRBSS monitors priority health risk behaviors that contribute to poor health and social problems among youth in the United States. These include unhealthy dietary behaviors and physical inactivity.National Survey of Children's Health (NSCH)NSCH is a mail- and web-based survey conducted annually by the U.S. Census Bureau. The survey examines the physical and emotional health of children 0 to 17, including factors related to health care, family interactions, well-being, and neighborhood characteristics.Women, Infants, and Children Participant and Program Characteristics (WIC PC)WIC PC summarizes demographic characteristics of participants enrolled in the Special Supplemental Nutrition Program for WIC. It includes information on various health factors, including breastfeeding and obesity. Data are available for children 2 to 4 and infants 3 to 23 months.National Health Interview Survey (NHIS)NHIS is a large-scale survey that collects data on a broad range of health topics, including physical activity, food programs and food insecurity, and height and weight. The data are gathered through personal household interviews. It provides national-level estimates that can be used to track progress toward national health objectives, such as Healthy People 2030.School Health ProfilesSchool Health Profiles is a system of surveys assessing school health policies and practices in states, large urban school districts, and territories. The surveys include policies and practices related to school health education requirements, nutrition and dietary behavior, physical education and physical activity, and other topics.PLACES: Local Data for Better HealthPLACES provides model-based, population-level analysis and community estimates of select health data. It provides measures for all counties, places (incorporated and census designated places), census tracts, and ZIP Code Tabulation Areas (ZCTAs) across the United States.More chronic disease surveillance systemsChronic Disease Surveillance SystemsThese additional surveillance systems can be used to understand health risk behaviors, preventive care practices, and the U.S. burden of chronic diseases, such as cancer and diabetes.Diabetes and Obesity MapsThese maps display age-adjusted prevalence of obesity and diagnosed diabetes among U.S. adults, by county in 2004, 2009, 2014, and 2019. Available as PowerPoint file or or PDF.These maps display age-adjusted prevalence of obesity and diagnosed diabetes among U.S. adults, by county in 2004, 2009, 2014, and 2019. Available as PowerPoint file or PDF.Catalogue of Surveillance SystemsGain access to more than 100 publicly available datasets relevant to childhood obesity research. Datasets contain information on health behaviors and outcomes as well as policies and environmental factors. This catalogue is a product of the National Collaborative on Childhood Obesity Research (NCCOR).More data sourcesBreastfeedingData, Trends, and Maps interactive databaseHealth EquityHealth Status DataNutritionObesityPhysical ActivityOn This Page* How CDC uses information from surveillance systems* Key obesity-related surveillance systems* More chronic disease surveillance systems* More data sourcesRelated PagesView AllBack to Top* Obesity Among Children in WIC* 2023 Adult Obesity Prevalence Maps* Obesity and COVID-19View All ObesityJanuary 18, 2024Sources Print ShareFacebook LinkedIn Twitter SyndicateContent Source:National Center for Chronic Disease Prevention and Health Promotion (NCCDPHP)Related PagesView All* Obesity Among Children in WIC* 2023 Adult Obesity Prevalence Maps* Obesity and COVID-19View All ObesityBack to TopObesityCDC's obesity prevention efforts focus on policy and environmental strategies to make healthy eating and active living accessible for everyone.View AllFor Everyone* About Obesity* Risk Factors for Obesity* What Can Be Done* Adult Obesity Facts* Obesity Data and StatisticsHealth Care Providers* Health Care Strategies* Screening for Child Obesity* Evaluation and TreatmentSign up for Email UpdatesContact UsContact Us* Call 800-232-4636* Contact CDCAbout CDCAbout CDC* Pressroom* Organization* Budget & Funding* Careers & JobsPolicies* Accessibility* External Links* Privacy* Web Policies* FOIA* OIG* No Fear Act* Nondiscrimination* Vulnerability Disclosure PolicyLanguagesLanguages* EspañolLanguage Assistance* Español* 繁體中文* Tiếng Việt* 한국어* Tagalog* Русский* العربية* Kreyòl Ayisyen* Français* Polski* Português* Italiano* Deutsch* 日本語* فارسی* EnglishArchive* CDC Archive* Public Health PublicationsContact UsContact Us* Call 800-232-4636* Contact CDCAbout CDC* Pressroom* Organization* Budget & Funding* Careers & Jobs* About CDCPolicies* Accessibility* External Links* Privacy* Web Policies* FOIA* OIG* No Fear Act* Nondiscrimination* Vulnerability Disclosure PolicyLanguagesLanguages* EspañolLanguage Assistance* Español* 繁體中文* Tiếng Việt* 한국어* Tagalog* Русский* العربية* Kreyòl Ayisyen* Français* Polski* Português* Italiano* Deutsch* 日本語* فارسی* EnglishArchive* CDC Archive* Public Health PublicationsHHS.gov USA.gov
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