National Health and Nutrition Examination Survey

2017-March 2020 Pre-Pandemic Data Release

Laboratory Data

• Arsenic – Total – Urine (P_UTAS 2017-March 2020)
• Arsenics – Speciated – Urine (P_UAS 2017-March 2020)
• Chromium – Urine (P_UCM 2017-March 2020)
• Chromium & Cobalt (P_CRCO 2017-March 2020)
• Inorganic, Ethyl and Methyl – Blood (P_IHGEM 2017-March 2020)
• Iodine – Urine (P_UIO 2017-March 2020)
• Lead, Cadmium, Total Mercury, Selenium, & Manganese – Blood (P_PBCD 2017-March 2020)
• Mercury – Urine (P_UHG 2017-March 2020)
• Metals – Urine (P_UM 2017-March 2020)
• Nickel – Urine (P_UNI 2017-March 2020)
• Volatile Organic Compounds and Trihalomethanes/MTBE – Blood (P_VOCWB 2017-March 2020)

Questionnaire Data

• Volatile Toxicant (P_VTQ 2017-March 2020)
• Weight History (P_WHQ 2017-March 2020)
• Weight History – Youth (P_WHQMEC 2017-March 2020)

Limited Access Data

• Lead – Blood – Youth (P_PBY_R 2017-March 2020)
• Lead (Youth), Strontium, and Uranium – Urine (P_UM_R 2017-March 2020)

Data Release – Other Cycles

Examination Data

• Audiometry (AUX_J 2017-2018)
• Audiometry – Acoustic Reflex (AUXAR_J 2017-2018)
• Audiometry – Tympanometry (AUXTYM_J 2017-2018)
• Audiometry – Wideband Reflectance (AUXWBR_J 2017-2018)

Limited Access Data

• NHANES III and NHANES 1999-2018 records have been linked to administrative End Stage Renal Disease data through 2018 from the US Renal Data System.
  For more information, please visit the Data Linkage – USRDS End-Stage Renal Disease Data page.

Updated Data

The following Urinary Volatile Organic Compound (VOC) Metabolites datasets were updated to correct a systematic bias caused by a calibration error to the measurement of N-Acetyl-S-(3-hydroxypropyl-1-methyl)-L-cysteine (i.e., URXPMM). An algebraic correction factor of 0.565 were applied to the original URXPMM values and released in these files. No other data points in these files were changed.

• Volatile Organic Compound (VOC) Metabolites – Urine (UVOC_I 2015-2016)
• Volatile Organic Compound (VOC) Metabolites – Urine (UVOC_H 2013-2014)
• Volatile Organic Compound (VOC) Metabolites – Urine (UVOC_G 2011-2012)
• Volatile Organic Compound (VOC) Metabolites – Urine – Special Sample (UVOCS_I 2015-2016)
• Volatile Organic Compound (VOC) Metabolites – Urine – Special Sample (UVOCS_H 2013-2014)
• Volatile Organic Compound (VOC) Metabolites – Urine – Special Sample (UVOCS_G 2011-2012)