Skip directly to site content
Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People
Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People
National Center for Health Statistics
Section Navigation
National Health and Nutrition Examination Survey
About NHANES
plus icon
Video: The NHANES Story
What We Eat in America, Dietary Survey
Meet the Directors
Newsletters
plus icon
2010 NHANES Stakeholders Consortium Presentations
Ethics Review Board (ERB) Approval
What's New
plus icon
Archive
Questionnaires, Datasets, and Related Documentation
plus icon
Survey Methods and Analytic Guidelines
Data User Agreement
Search Variables
Frequently Asked Questions
All Continuous NHANES
plus icon
All Demographics Data
All Dietary Data
All Examination Data
All Laboratory Data
All Questionnaire Data
All Limited Access Data
NHANES 2025-2026
plus icon
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Brief Overview and Analytic Guidance
What We Eat in America, NHANES Dietary Data: Notice to Users
Release Notes
NHANES 08/2021-08/2023
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Brief Overview and Analytic Guidance
What We Eat in America, NHANES Dietary Data: Notice to Users
Release Notes
NHANES 2017-March 2020
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Brief Overview and Analytic Guidance
Release Notes
NHANES 2019-2020
plus icon
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
NHANES 2017-2018
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Overview
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2015-2016
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Overview
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2013-2014
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Overview
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2011-2012
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Overview
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2009-2010
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2007-2008
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
Note on 2007-2010 Sampling Methodology
NHANES 2005-2006
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2003-2004
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2001-2002
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 1999-2000
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Documentation Contents
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES III
plus icon
Reference Manuals and Report
Anthropometric Procedure Videos
Survey Methods and Analytic Guidelines
NHANES III Public Use Data Files Errata
Serum Latex Allergy (IgE) Data Analysis Issues
Data Files
Hispanic HANES
plus icon
Reference Manuals and Report
Survey Methods and Analytic Guidelines
NHANES II
plus icon
Reference Manuals and Report
Survey Methods and Analytic Guidelines
NHANES I
plus icon
Reference Manuals and Reports
Survey Methods and Analytic Guidelines
NHES III
plus icon
Reference Manuals and Reports
Survey Methods and Analytic Guidelines
NHES II
plus icon
Reference Manuals and Reports
Survey Methods and Analytic Guidelines
NHES I
plus icon
Reference Manuals and Reports
Survey Methods and Analytic Guidelines
Measuring Guides for the Dietary Recall Interview
Response Rates and Population Totals
SAS Viewer
Survey Participants
plus icon
Participation
plus icon
English
Vietnamese Translation
Simplified Chinese Translation
Traditional Chinese Translation
Korean Translation
Spanish Translation
French Translation
Haitian Creole Translation
Amharic Translation
Hindi Translation
Why I was selected
Benefits of Participating
Information Collected
Confidentiality
About NHANES
Biospecimen Program
plus icon
DNA Specimens and Genetic Data
Serum, Plasma, and Urine Specimens
Publications using DNA Specimens
Publications using Serum, Plasma, and Urine Specimens
Information for Participants
New Content and Proposal Guidelines
Survey Results and Products
plus icon
Overview of Data Accomplishments from NHANES
Tutorials
plus icon
Datasets and Documentation Module
Sample Design Module
Weighting Module
Variance Estimation Module
Reliability of Estimates Module
NHANES Dietary Analyses Module
Sample Code
Software Tips
Listserv
Information for Health Professionals
Contact Us
CDC
Facebook
Twitter
LinkedIn
Email
Syndicate
2005-2006 Data - Continuous NHANES
minus
Related Pages
NHANES 2005-2006 Variable List
Questionnaire Instruments
Laboratory Methods
SAS Universal Viewer
Data User Agreement
Data File Name
Doc File
Data File
Date Published
Acculturation
ACQ_D Doc
ACQ_D Data [XPT - 285.3 KB]
March 2008
Acrylamide & Glycidamide
AMDGYD_D Doc
AMDGYD_D Data [XPT - 343.4 KB]
Updated October 2016
Albumin & Creatinine - Urine
ALB_CR_D Doc
ALB_CR_D Data [XPT - 317.3 KB]
November 2007
Alcohol Use
ALQ_D Doc
ALQ_D Data [XPT - 337.6 KB]
March 2008
Allergen Specific IgE(s) & Total IgE - Serum
AL_IGE_D Doc
AL_IGE_D Data [XPT - 3 MB]
Updated February 2013
Allergens - Household Dust
ALDUST_D Doc
ALDUST_D Data [XPT - 3.8 MB]
Updated February 2014
Allergy
AGQ_D Doc
AGQ_D Data [XPT - 1.8 MB]
June 2008
Arsenics - Total & Speciated - Urine
UAS_D Doc
UAS_D Data [XPT - 403 KB]
January 2009
Audiometry
AUQ_D Doc
AUQ_D Data [XPT - 1.3 MB]
April 2009
Audiometry
AUX_D Doc
AUX_D Data [XPT - 1.7 MB]
April 2009
Audiometry - Acoustic Reflex
AUXAR_D Doc
AUXAR_D Data [XPT - 7.8 MB]
January 2013
Audiometry - Tympanometry
AUXTYM_D Doc
AUXTYM_D Data [XPT - 3.9 MB]
April 2009
Blood Pressure
BPX_D Doc
BPX_D Data [XPT - 2.1 MB]
November 2007
Blood Pressure & Cholesterol
BPQ_D Doc
BPQ_D Data [XPT - 770.3 KB]
November 2007
Body Measures
BMX_D Doc
BMX_D Data [XPT - 2.1 MB]
November 2007
Bowel Health
BHQ_D Doc
BHQ_D Data [XPT - 262.8 KB]
November 2007
Brominated Flame Retardants (BFRs) - Pooled Samples
BFRPOL_D Doc
BFRPOL_D Data [XPT - 87.6 KB]
Updated November 2020
Cadmium, Lead, & Total Mercury - Blood
PBCD_D Doc
PBCD_D Data [XPT - 591.8 KB]
Updated June 2013
Cardiovascular Health
CDQ_D Doc
CDQ_D Data [XPT - 409 KB]
November 2007
Chlamydia & Gonorrhea - Urine
CHLMDA_D Doc
CHLMDA_D Data [XPT - 57.4 KB]
May 2008
Cholesterol - HDL
HDL_D Doc
HDL_D Data [XPT - 190.7 KB]
Updated April 2010
Cholesterol - LDL, Triglyceride & Apoliprotein (ApoB)
TRIGLY_D Doc
TRIGLY_D Data [XPT - 211.3 KB]
March 2008
Cholesterol - Total
TCHOL_D Doc
TCHOL_D Data [XPT - 190.7 KB]
Updated April 2010
Complete Blood Count with 5-Part Differential - Whole Blood
CBC_D Doc
CBC_D Data [XPT - 1.5 MB]
November 2007
Cotinine - Serum
COT_D Doc
COT_D Data [XPT - 137.8 KB]
January 2008
C-Reactive Protein (CRP)
CRP_D Doc
CRP_D Data [XPT - 148.5 KB]
November 2007
Current Health Status
HSQ_D Doc
HSQ_D Data [XPT - 887.3 KB]
January 2008
Demographic Variables & Sample Weights
DEMO_D Doc
DEMO_D Data [XPT - 3.4 MB]
Updated September 2009
Dermatology
DEQ_D Doc
DEQ_D Data [XPT - 322 KB]
May 2008
Diabetes
DIQ_D Doc
DIQ_D Data [XPT - 2.7 MB]
Updated April 2011
Diet Behavior & Nutrition
DBQ_D Doc
DBQ_D Data [XPT - 4.2 MB]
November 2007
Dietary Interview - Individual Foods, First Day
DR1IFF_D Doc
DR1IFF_D Data [XPT - 93.1 MB]
July 2008
Dietary Interview - Individual Foods, Second Day
DR2IFF_D Doc
DR2IFF_D Data [XPT - 83.7 MB]
July 2008
Dietary Interview - Total Nutrient Intakes, First Day
DR1TOT_D Doc
DR1TOT_D Data [XPT - 12.2 MB]
July 2008
Dietary Interview - Total Nutrient Intakes, Second Day
DR2TOT_D Doc
DR2TOT_D Data [XPT - 6.2 MB]
July 2008
Dietary Interview Technical Support File - Food Codes
DRXFCD_D Doc
DRXFCD_D Data [XPT - 1.8 MB]
July 2008
Dietary Interview Technical Support File - Modification Codes
DRXMCD_D Doc
DRXMCD_D Data [XPT - 315.7 KB]
July 2008
Dietary Supplement Database - Blend Information
DSBI_L Doc
Updated July 2022
Dietary Supplement Database - Blend Information
DSBI Doc
DSBI Data [XPT - 10 MB]
February 2025
Dietary Supplement Database - Ingredient Information
DSII_L Doc
Updated July 2022
Dietary Supplement Database - Ingredient Information
DSII Doc
DSII Data [XPT - 82.4 MB]
February 2025
Dietary Supplement Database - Product Information
DSPI_L Doc
Updated July 2022
Dietary Supplement Database - Product Information
DSPI Doc
DSPI Data [XPT - 6.5 MB]
February 2025
Dietary Supplement Use 30-Day - File 1, Supplement Counts
DSQ1_D Doc
DSQ1_D Data [XPT - 405.6 KB]
Updated July 2009
Dietary Supplement Use 30-Day - File 2, Participant's Use of Supplements
DSQ2_D Doc
DSQ2_D Data [XPT - 1.5 MB]
Updated July 2009
Drug Use
DUQ_D Doc
DUQ_D Data [XPT - 955.4 KB]
March 2008
Dual Energy X-ray Absorptiometry - Android/Gynoid
DXXAG_D Doc
DXXAG_D Data [XPT - 648.6 KB]
February 2013
Dual Energy X-ray Absorptiometry - Femur
DXXFEM_D Doc
DXXFEM_D Data [XPT - 1.2 MB]
January 2009
Dual Energy X-ray Absorptiometry - Spine
DXXSPN_D Doc
DXXSPN_D Data [XPT - 2.1 MB]
Updated May 2015
Dual-Energy X-ray Absorptiometry - Whole Body
All Years Doc
All Years Data
Updated December 2016
Early Childhood
ECQ_D Doc
ECQ_D Data [XPT - 463 KB]
December 2007
Enterovirus D68 (EV-D68) - Serum (Surplus)
SSEVD_D Doc
SSEVD_D Data [XPT - 155.5 KB]
Withdrawn
Environmental Phenols & Parabens
EPH_D Doc
EPH_D Data [XPT - 395 KB]
August 2009
Epstein-Barr Virus (VCA IgG) - Serum (Surplus)
SSEBV_D Doc
SSEBV_D Data [XPT - 52.2 KB]
Updated April 2022
Erythrocyte Protoporphyrin
EPP_D Doc
EPP_D Data [XPT - 76.7 KB]
December 2007
Fasting Questionnaire
FASTQX_D Doc
FASTQX_D Data [XPT - 1.4 MB]
November 2007
Ferritin
FERTIN_D Doc
FERTIN_D Data [XPT - 92.8 KB]
April 2008
Folate - RBC & Serum
FOLATE_D Doc
FOLATE_D Data [XPT - 370.2 KB]
January 2008
Food Frequency Questionnaire - Look-Up Table FOODLOOK
FOODLK_D Doc
FOODLK_D Data [XPT - 44.9 KB]
March 2010
Food Frequency Questionnaire - Look-Up Table VARLOOK
VARLK_D Doc
VARLK_D Data [XPT - 32 KB]
March 2010
Food Frequency Questionnaire - Output from DietCalc Software
FFQDC_D Doc
FFQDC_D Data [XPT - 18.5 MB]
September 2008
Food Frequency Questionnaire - Raw Questionnaire Responses
FFQRAW_D Doc
FFQRAW_D Data [XPT - 10.4 MB]
September 2008
Food Security
FSQ_D Doc
FSQ_D Data [XPT - 3.2 MB]
January 2008
Glycohemoglobin
GHB_D Doc
GHB_D Data [XPT - 110.1 KB]
Updated March 2012
Health Insurance
HIQ_D Doc
HIQ_D Data [XPT - 1.3 MB]
November 2007
Hepatitis A Antibody
HEPA_D Doc
HEPA_D Data [XPT - 143.1 KB]
March 2008
Hepatitis B Surface Antibody
HEPB_S_D Doc
HEPB_S_D Data [XPT - 143.1 KB]
May 2008
Hepatitis B: Core Antibody, Surface Antigen; Hepatitis D Antibody
HEPBD_D Doc
HEPBD_D Data [XPT - 254 KB]
February 2008
Hepatitis C Follow Up
HCQ_D Doc
HCQ_D Data [XPT - 29.1 KB]
April 2008
Hepatitis C: Confirmed Antibody, RNA (HCV-RNA), & Genotype
HEPC_D Doc
HEPC_D Data [XPT - 254 KB]
Updated February 2015
Herpes Simplex Virus Type-1 & Type-2
HSV_D Doc
HSV_D Data [XPT - 102.3 KB]
Updated May 2010
HIV Antibody Test, CD4+ T Lymphocytes & CD8+ T Cells
HIV_D Doc
HIV_D Data [XPT - 101.7 KB]
December 2007
Homocysteine
HCY_D Doc
HCY_D Data [XPT - 75.6 KB]
March 2009
Hospital Utilization & Access to Care
HUQ_D Doc
HUQ_D Data [XPT - 810.5 KB]
February 2008
Housing Characteristics
HOQ_D Doc
HOQ_D Data [XPT - 1.5 MB]
April 2008
Human Papillomavirus (HPV) - 6, 11, 16 & 18 Antibody – Serum: 4-plex CLIA
HPVSER_D Doc
HPVSER_D Data [XPT - 151.6 KB]
July 2013
Human Papillomavirus (HPV) - Multiplexed 6, 11, 16, 18, 31, 33, 45, 52 & 58 Antibody – Serum: 9-plex CLIA
HPVSRM_D Doc
HPVSRM_D Data [XPT - 302.6 KB]
January 2015
Human Papillomavirus (HPV) DNA - Vaginal Swab: Digene Hybrid Capture & Roche Linear Array
HPVSWR_D Doc
HPVSWR_D Data [XPT - 694.4 KB]
Updated November 2018
Immunization
IMQ_D Doc
IMQ_D Data [XPT - 243.8 KB]
January 2008
Iodine - Urine
UIO_D Doc
UIO_D Data [XPT - 87.4 KB]
July 2008
Iron, Total Iron Binding Capacity (TIBC), & Transferrin Saturation
FETIB_D Doc
FETIB_D Data [XPT - 167.4 KB]
December 2007
Kidney Conditions - Urology
KIQ_U_D Doc
KIQ_U_D Data [XPT - 547.3 KB]
January 2008
Medical Conditions
MCQ_D Doc
MCQ_D Data [XPT - 6.7 MB]
November 2007
Mental Health - Depression Screener
DPQ_D Doc
DPQ_D Data [XPT - 460.7 KB]
April 2008
Mercury: Inorganic - Blood
IHG_D Doc
IHG_D Data [XPT - 296.2 KB]
June 2013
Mercury: Inorganic - Urine
UHG_D Doc
UHG_D Data [XPT - 106.6 KB]
August 2008
Metals - Urine
UHM_D Doc
UHM_D Data [XPT - 572.3 KB]
October 2008
Non-dioxin-like Polychlorinated Biphenyls & Mono-ortho-substituted Polychlorinated Biphenyls - Pooled Samples
PCBPOL_D Doc
PCBPOL_D Data [XPT - 242.5 KB]
Updated November 2020
Occupation
OCQ_D Doc
OCQ_D Data [XPT - 722.3 KB]
Updated April 2013
Ophthalmology - Frequency Doubling Technology
OPXFDT_D Doc
OPXFDT_D Data [XPT - 2.2 MB]
December 2008
Ophthalmology - Retinal Imaging
OPXRET_D Doc
OPXRET_D Data [XPT - 5 MB]
Updated June 2015
Oral Glucose Tolerance Test
OGTT_D Doc
OGTT_D Data [XPT - 158.8 KB]
January 2008
Oral Health
OHQ_D Doc
OHQ_D Data [XPT - 393.1 KB]
June 2008
Oral Health
OHX_D Doc
OHX_D Data [XPT - 3.7 MB]
June 2008
Organophosphate Insecticides - Diakyl Phosphate Metabolites - Urine
OPD_D Doc
OPD_D Data [XPT - 325.8 KB]
July 2013
Osteoporosis
OSQ_D Doc
OSQ_D Data [XPT - 4.5 MB]
December 2008
Parathyroid Hormone
PTH_D Doc
PTH_D Data [XPT - 127.4 KB]
January 2008
Perchlorate, Nitrate & Iodide - Tap Water
WPIN_D Doc
WPIN_D Data [XPT - 216.5 KB]
April 2009
Perchlorate, Nitrate & Thiocyanate - Urine
PERNT_D Doc
PERNT_D Data [XPT - 507.2 KB]
June 2011
Pesticide Use
PUQMEC_D Doc
PUQMEC_D Data [XPT - 190.7 KB]
December 2007
Pesticides - Carbamates & Organophosphorus Metabolites - Urine
CARB_D Doc
CARB_D Data [XPT - 325.8 KB]
Updated April 2013
Pesticides - Current Use - Urine (Formerly Priority Pesticides, Non-persistent Pesticide Metabolites)
UPP_D Doc
UPP_D Data [XPT - 802.5 KB]
August 2011
Pesticides - Environmental - Urine
PP_D Doc
PP_D Data [XPT - 270.5 KB]
September 2009
Pesticides - Organochlorine Pesticides - Pooled Samples
PSTPOL_D Doc
PSTPOL_D Data [XPT - 69 KB]
Updated November 2020
Phthalates - Urine
PHTHTE_D Doc
PHTHTE_D Data [XPT - 685.4 KB]
February 2010
Physical Activity
PAQ_D Doc
PAQ_D Data [XPT - 1.4 MB]
November 2007
Physical Activity - Individual Activities
PAQIAF_D Doc
PAQIAF_D Data [XPT - 779 KB]
November 2007
Physical Activity Monitor
PAXRAW_D Doc
PAXRAW_D Data [ZIP - 449.2 MB]
June 2008
Physical Functioning
PFQ_D Doc
PFQ_D Data [XPT - 4.1 MB]
Updated March 2008
Phytoestrogens - Urine
PHYTO_D Doc
PHYTO_D Data [XPT - 312 KB]
August 2011
Plasma Fasting Glucose & Insulin
GLU_D Doc
GLU_D Data [XPT - 211.3 KB]
Updated August 2016
Polyaromatic Hydrocarbons (PAHs) - Urine
PAH_D Doc
PAH_D Data [XPT - 478 KB]
June 2012
Polychlorinated dibenzo-p-dioxins (PCDDs), Dibenzofurans (PCDFs) & Coplanar Polychlorinated Biphenyls (cPCBs) - Pooled Samples
DOXPOL_D Doc
DOXPOL_D Data [XPT - 137.2 KB]
Updated November 2020
Polyfluoroalkyl Chemicals
PFC_D Doc
PFC_D Data [XPT - 476.2 KB]
Updated September 2012
Pooled-Sample Technical Support File
POOLTF_D Doc
POOLTF_D Data [XPT - 56.2 KB]
November 2018
Pregnancy Test - Urine
UCPREG_D Doc
UCPREG_D Data [XPT - 46.6 KB]
November 2007
Prescription Medications
RXQ_RX_D Doc
RXQ_RX_D Data [XPT - 2.7 MB]
Updated June 2009
Prescription Medications - Drug Information
RXQ_DRUG Doc
RXQ_DRUG Data [XPT - 3.2 MB]
Updated September 2021
Prostate Conditions
KIQ_P_D Doc
KIQ_P_D Data [XPT - 162.6 KB]
January 2008
Prostate Specific Antigen (PSA)
PSA_D Doc
PSA_D Data [XPT - 185.1 KB]
December 2007
Prostate Specific Antigen Follow-up
PSQ_D Doc
PSQ_D Data [XPT - 33.3 KB]
April 2008
Reproductive Health
RHQ_D Doc
RHQ_D Data [XPT - 2.3 MB]
December 2007
Respiratory Health
RDQ_D Doc
RDQ_D Data [XPT - 1.1 MB]
December 2007
Salmonella & Campylobacter Antibodies (Surplus)
SSSAL_D Doc
SSSAL_D Data [XPT - 63.4 KB]
Updated April 2022
Sexual Behavior
SXQ_D Doc
SXQ_D Data [XPT - 749 KB]
March 2008
Sleep Disorders
SLQ_D Doc
SLQ_D Data [XPT - 1.3 MB]
March 2008
Smoking - Cigarette Use
SMQ_D Doc
SMQ_D Data [XPT - 2.5 MB]
Updated June 2008
Smoking - Household Smokers
SMQFAM_D Doc
SMQFAM_D Data [XPT - 405.6 KB]
December 2007
Smoking - Recent Tobacco Use
SMQRTU_D Doc
SMQRTU_D Data [XPT - 1.3 MB]
December 2007
Social Support
SSQ_D Doc
SSQ_D Data [XPT - 505 KB]
December 2007
Standard Biochemistry Profile
BIOPRO_D Doc
BIOPRO_D Data [XPT - 2 MB]
March 2008
Transferrin Receptor
TFR_D Doc
TFR_D Data [XPT - 62.1 KB]
April 2008
Vision
VIQ_D Doc
VIQ_D Data [XPT - 1 MB]
April 2008
Vision
VIX_D Doc
VIX_D Data [XPT - 3 MB]
April 2008
Vitamin A, Vitamin E & Carotenoids
VITAEC_D Doc
VITAEC_D Data [XPT - 1.5 MB]
Updated October 2011
Vitamin B12
B12_D Doc
B12_D Data [XPT - 222.4 KB]
March 2008
Vitamin B6
VIT_B6_D Doc
VIT_B6_D Data [XPT - 222.4 KB]
September 2010
Vitamin C
VIC_D Doc
VIC_D Data [XPT - 190.7 KB]
February 2009
Vitamin D
VID_D Doc
VID_D Data [XPT - 148.5 KB]
Updated October 2015
Volatile Organic Compound (VOC) Metabolites - Urine (Surplus)
SSUVOC_D Doc
SSUVOC_D Data [XPT - 1.5 MB]
Updated April 2022
Volatile Organic Compounds - Blood & Related Questionnaire Items
VOCWB_D Doc
VOCWB_D Data [XPT - 2.4 MB]
Updated February 2019
Volatile Organic Compounds - Water & Related Questionnaire Items
VOC_D Doc
VOC_D Data [XPT - 919.2 KB]
January 2010
Weight History
WHQ_D Doc
WHQ_D Data [XPT - 2.8 MB]
November 2007
Weight History - Youth
WHQMEC_D Doc
WHQMEC_D Data [XPT - 375.9 KB]
December 2007
Content source:
CDC/National Center for Health Statistics
home
National Health and Nutrition Examination Survey
About NHANES
plus icon
Video: The NHANES Story
What We Eat in America, Dietary Survey
Meet the Directors
Newsletters
plus icon
2010 NHANES Stakeholders Consortium Presentations
Ethics Review Board (ERB) Approval
What's New
plus icon
Archive
Questionnaires, Datasets, and Related Documentation
plus icon
Survey Methods and Analytic Guidelines
Data User Agreement
Search Variables
Frequently Asked Questions
All Continuous NHANES
plus icon
All Demographics Data
All Dietary Data
All Examination Data
All Laboratory Data
All Questionnaire Data
All Limited Access Data
NHANES 2025-2026
plus icon
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Brief Overview and Analytic Guidance
What We Eat in America, NHANES Dietary Data: Notice to Users
Release Notes
NHANES 08/2021-08/2023
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Brief Overview and Analytic Guidance
What We Eat in America, NHANES Dietary Data: Notice to Users
Release Notes
NHANES 2017-March 2020
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Brief Overview and Analytic Guidance
Release Notes
NHANES 2019-2020
plus icon
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
NHANES 2017-2018
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Overview
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2015-2016
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Overview
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2013-2014
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Overview
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2011-2012
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Overview
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2009-2010
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2007-2008
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Release Notes
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
Note on 2007-2010 Sampling Methodology
NHANES 2005-2006
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2003-2004
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 2001-2002
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES 1999-2000
plus icon
Demographics Data
Dietary Data
Examination Data
Laboratory Data
Questionnaire Data
Limited Access Data
Questionnaire Instruments
Laboratory Methods
Procedure Manuals
Brochures and Consent Documents
Documentation Contents
Laboratory Data Overview
Questionnaire Data Overview
Examination Data Overview
NHANES III
plus icon
Reference Manuals and Report
Anthropometric Procedure Videos
Survey Methods and Analytic Guidelines
NHANES III Public Use Data Files Errata
Serum Latex Allergy (IgE) Data Analysis Issues
Data Files
Hispanic HANES
plus icon
Reference Manuals and Report
Survey Methods and Analytic Guidelines
NHANES II
plus icon
Reference Manuals and Report
Survey Methods and Analytic Guidelines
NHANES I
plus icon
Reference Manuals and Reports
Survey Methods and Analytic Guidelines
NHES III
plus icon
Reference Manuals and Reports
Survey Methods and Analytic Guidelines
NHES II
plus icon
Reference Manuals and Reports
Survey Methods and Analytic Guidelines
NHES I
plus icon
Reference Manuals and Reports
Survey Methods and Analytic Guidelines
Measuring Guides for the Dietary Recall Interview
Response Rates and Population Totals
SAS Viewer
Survey Participants
plus icon
Participation
plus icon
English
Vietnamese Translation
Simplified Chinese Translation
Traditional Chinese Translation
Korean Translation
Spanish Translation
French Translation
Haitian Creole Translation
Amharic Translation
Hindi Translation
Why I was selected
Benefits of Participating
Information Collected
Confidentiality
About NHANES
Biospecimen Program
plus icon
DNA Specimens and Genetic Data
Serum, Plasma, and Urine Specimens
Publications using DNA Specimens
Publications using Serum, Plasma, and Urine Specimens
Information for Participants
New Content and Proposal Guidelines
Survey Results and Products
plus icon
Overview of Data Accomplishments from NHANES
Tutorials
plus icon
Datasets and Documentation Module
Sample Design Module
Weighting Module
Variance Estimation Module
Reliability of Estimates Module
NHANES Dietary Analyses Module
Sample Code
Software Tips
Listserv
Information for Health Professionals
Contact Us
Related Sites
NHANES Longitudinal Study
Growth Charts
Surveys and Data Collection Systems
NCHS Data Linkage Activities
Research Data Center