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national health and nutrition examination survey wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 see also 2 references 3 external links toggle the table of contents national health and nutrition examination survey 3 languages العربية deutsch русский edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikimedia commons wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia survey research program conducted by the national center for health statistics this article relies excessively on references to primary sources please improve this article by adding secondary or tertiary sources find sources national health and nutrition examination survey news newspapers books scholar jstor may 2011 learn how and when to remove this message the national health and nutrition examination survey nhanes is a survey research program conducted by the national center for health statistics nchs to assess the health and nutritional status of adults and children in the united states and to track changes over time 1 the survey combines interviews physical examinations and laboratory tests citation needed the nhanes interview includes demographic socioeconomic dietary and health related questions the examination component consists of medical dental and physiological measurements as well as laboratory tests administered by medical personnel citation needed the national health survey act was passed in 1956 this allowed legislative authorization to provide current statistical data on the amount distribution and effects on illness and disability in the united states 2 the first three national health examination surveys were conducted in the 1960s 1960 62 national health examination survey i nhes i 1963 65 national health examination survey ii nhes ii and 1966 70 national health examination survey iii nhes iii the first nhanes was conducted in 1971 and in 1999 the surveys became an annual event the first report on the topic was published in 2001 3 nhanes findings are used to determine the prevalence of major diseases and risk factors for diseases information is used to assess nutritional status and its association with health promotion and disease prevention nhanes findings are also the basis for national standards for such measurements as height weight and blood pressure nhanes data are used in epidemiological studies and health sciences research including biomarkers of aging which help develop sound public health policy direct and design health programs and services expand health knowledge extend healthspan and lifespan follow up studies using nhanes data were made possible by creating linked mortality files and files based on medicare and medicaid data 4 the high quality of the nhanes dataset has made it vulnerable to exploitation by scholars who engage in data dredging also known as p hacking to find spurious associations that are framed as causal associations 5 see also edit national archive of computerized data on aging references edit about the national health and nutrition examination survey cdc national center for health statistics u s department of health human services retrieved 18 march 2020 nhanes history www cdc gov 8 may 2019 retrieved 30 january 2024 ozonoff david 2014 biomonitoring in rogers kara ed encyclopædia britannica online encyclopædia britannica inc nchs data linkage activities www cdc gov 8 july 2021 suchak tulsi aliu anietie e harrison charlie zwiggelaar reyer geifman nophar spick matt 2025 explosion of formulaic research articles including inappropriate study designs and false discoveries based on the nhanes us national health database plos biology 23 5 e3003152 doi 10 1371 journal pbio 3003152 issn 1545 7885 pmc 12061153 pmid 40338847 external links edit official website katherine a beals national health and nutrition examination survey nhanes faqs org advameg inc retrieved 17 march 2010 dsdr page for nhanes 1999 2000 dsdr page for nhanes 2001 2002 dsdr page for nhanes 2003 2004 dsdr page for nhanes 2005 2006 dsdr page for nhanes 2007 2008 validity of u s nutritional surveillance national health and nutrition examination survey caloric energy intake data 1971 2010 v t e social survey research data collection collection methods questionnaire interview structured semi structured unstructured couple methodology census sampling frame statistical sample sampling for surveys random sampling simple random sampling quota sampling stratified sampling nonprobability sampling sample size determination research design panel study cohort study cross sectional study cross sequential study survey errors sampling error standard error sampling bias systematic errors non sampling error specification error frame error measurement error response errors non response bias coverage error pseudo opinion processing errors data analysis categorical data contingency table level of measurement descriptive statistics exploratory data analysis multivariate statistics psychometrics statistical inference statistical models graphical log linear structural applications audience measurement demography market research opinion poll public opinion major surveys list of comparative social surveys afrobarometer american national election studies asian barometer survey comparative study of electoral systems emerson college polling eurobarometer european social survey gallup poll general social survey household income and labour dynamics in australia survey international social survey latinobarómetro list of household surveys in the united states national health and nutrition examination survey new zealand attitudes and values study suffolk university political research center the phillips academy poll quinnipiac university polling institute world values survey associations american association for public opinion research european society for opinion and marketing research international statistical institute pew research center world association for public opinion research category projects business politics psychology sociology statistics retrieved from https en wikipedia org w index php title national_health_and_nutrition_examination_survey oldid 1356903340 categories centers for disease control and prevention gerontology health surveys hidden categories articles with short description short description matches wikidata articles lacking reliable references from may 2011 all articles lacking reliable references use dmy dates from march 2017 all articles with unsourced statements articles with unsourced statements from march 2024 articles with unsourced statements from january 2024 this page was last edited on 30 may 2026 at 15 03 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search toggle the table of contents national health and nutrition examination survey 3 languages add topic