National Health and Nutrition Examination Survey
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The National Health and Nutrition Examination Survey (NHANES) is a program of studies designed to assess the health and nutritional status of adults and children in the United States. The survey is unique in that it combines interviews and physical examinations.
Selected Participants
Have you been selected to take part in the National Health and Nutrition Examination Survey?
Information for Health Professionals
Learn about participant involvement and benefits with the National Health and Nutrition Examination Survey
NHANES National Youth Fitness Survey
The NHANES National Youth Fitness Survey (NNYFS) was a one year survey conducted in 2012. The NNYFS collected nationally representative data on physical activity and fitness levels of children and adolescents in the United States through interviews and fitness tests. On September 30, 2013, the first wave of this data was released. To review documentation and download datasets, go to the NNYFS Data and Documentation page.
What's New
New Survey Content for NHANES 2021-2022
Publications
- Waist Circumference Measurement Methodology Study: National Health and Nutrition Examination Survey, 2016 [PDF – 1 MB] (1/7/2019)
- National Health and Nutrition Examination Survey: Analytic Guidelines, 2011-2016
- National Health and Nutrition Examination Survey: Impact of Declining Response Rates on Nonresponse Bias, 2013 – 2016, Executive Summary
- Mean Body Weight, Height, Waist Circumference, and Body Mass Index Among Adults: United States,1999–2000 Through 2015–2016 [PDF – 434 KB] (12/20/2018)
Data Release
- Copper, Selenium & Zinc – Serum (CUSEZN_I 2015-2016)
- Dual-Energy X-ray Absorptiometry – L1 Vertebrae Morphology (DXXL1_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – L2 Vertebrae Morphology (DXXL2_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – L3 Vertebrae Morphology (DXXL3_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – L4 Vertebrae Morphology (DXXL4_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – T4 Vertebrae Morphology (DXXT4_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – T5 Vertebrae Morphology (DXXT5_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – T6 Vertebrae Morphology (DXXT6_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – T7 Vertebrae Morphology (DXXT7_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – T8 Vertebrae Morphology (DXXT8_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – T9 Vertebrae Morphology (DXXT9_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – T10 Vertebrae Morphology (DXXT10_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – T11 Vertebrae Morphology (DXXT11_H 2013-2014)
- Dual-Energy X-ray Absorptiometry – T12 Vertebrae Morphology (DXXT12_H 2013-2014)
- Kidney Conditions – Urology (KIQ_U_I 2015-2016)
- Volatile N-Nitrosamine Compounds (VNAs) – Urine (VNA_H 2013-2014)
- Volatile N-Nitrosamine Compounds (VNAs) – Urine – Special Sample (VNAS_H 2013-2014)
Withdrawn Data
The 1999-2004 SSANA datasets have been temporarily removed to review and possibly update the weighting variable.
- Autoantibodies – Immunofluorescence & Immunoprecipitation Analyses (Surplus) (SSANA_C 2003-2004)
- Autoantibodies – Immunofluorescence & Immunoprecipitation Analyses (Surplus) (SSANA_B 2001-2002)
- Autoantibodies – Immunofluorescence & Immunoprecipitation Analyses (Surplus) (SSANA_A 1999-2000)
- Page last reviewed: January 7, 2019
- Page last updated: January 7, 2019
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