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Praxis Data Lab · NHANES Explorer

Explore NHANES variables.

Use the Explorer’s free public catalogue to find variables by code, health concept, survey component, cycle, dataset name, or file code. Inspect source availability and add variables directly to Study Builder.

Filtered NHANES results1,184unique matching variables

Filter applied to the public catalogue. Open a result to inspect its cycle availability and CDC/NCHS source evidence.

View variable history report

Free public variable catalogue

Start with the question you want to answer.

Browse the complete indexed variable inventory by survey component or cycle, then refine it with the search tools below. Catalogue discovery is open to everyone.

Searchable inventory13,311unique NHANES variable codes

Browse by survey component

5 indexed components
Demographics179variablesDietary1,184variablesExamination4,954variablesLaboratory3,394variablesQuestionnaire3,649variables

Browse by cycle

13 indexed cycles
1999-20004,3952001-20024,1102003-20044,8442005-20063,9082007-20083,8372009-20104,1312011-20124,2622013-20144,4372015-20164,2342017-20184,1362017-20203,5562021-20231,2862025-20260

Counts show unique variable codes available within each filter. A variable may appear in more than one component or cycle.

Automated CDC/NCHS catalog

Continuous NHANES variable results

Add any indexed variable to Study Builder. Praxis evaluates the selected cycles and returns the available harmonization intelligence, source history, and method context.

DBD100Indexed NHANES variable

Dietary

How often {do you/does SP} add ordinary salt to {your/his/her/SP's} food at the table? Would you say . . .

Source releases
11
Available cycles
2001-2002 · 2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Total Nutrient Intakes
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DBQ095ZIndexed NHANES variable

Dietary

What type of salt {do you/does SP} usually add to {your/his/her/SP's} food at the table? Would you say . . .

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1_020Indexed NHANES variable

Dietary

What time did you begin to eat/drink the meal/food?

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1_030ZIndexed NHANES variable

Dietary

Name of eating occasion

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1_040ZIndexed NHANES variable

Dietary

Was this food eaten at home?

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1_300Indexed NHANES variable

Dietary

Was the amount of food that {you/NAME} ate yesterday much more than usual, usual, or much less than usual?

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1_320Indexed NHANES variable

Dietary

Total plain water drank yesterday - including plain tap water, water from a drinking fountain, water from a water cooler, bottled water, and spring water.

Source releases
1
Available cycles
2003-2004
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1_320ZIndexed NHANES variable

Dietary

Total plain water drank yesterday - including plain tap water, water from a drinking fountain, water from a water cooler, bottled water, and spring water.

Source releases
9
Available cycles
2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1_330ZIndexed NHANES variable

Dietary

Total tap water drank yesterday - including filtered tap water and water from a drinking fountain.

Source releases
9
Available cycles
2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1BWATZIndexed NHANES variable

Dietary

Total bottled water drank yesterday (gm)

Source releases
9
Available cycles
2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1CCMNMIndexed NHANES variable

Dietary

Combination food number

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1CCMTXIndexed NHANES variable

Dietary

Combination food type

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1CWATRIndexed NHANES variable

Dietary

Plain carbonated water drank yesterday - including unsweetened carbonated water, seltzer water, club soda, and carbonated bottled water such as Perrier.

Source releases
1
Available cycles
2003-2004
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1DAYIndexed NHANES variable

Dietary

Intake day of the week

Source releases
34
Available cycles
2003-2004 · 2003-2004 · 2005-2006 · 2005-2006 · 2007-2008 · 2007-2008 · 2007-2008 · 2007-2008 · 2009-2010 · 2009-2010 · 2009-2010 · 2009-2010 · 2011-2012 · 2011-2012 · 2011-2012 · 2011-2012 · 2013-2014 · 2013-2014 · 2013-2014 · 2013-2014 · 2015-2016 · 2015-2016 · 2015-2016 · 2015-2016 · 2017-2018 · 2017-2018 · 2017-2018 · 2017-2018 · 2017-2020 · 2017-2020 · 2017-2020 · 2017-2020 · 2021-2023 · 2021-2023
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1DBIHIndexed NHANES variable

Dietary

Number of days between intake day and the day of family questionnaire administered in the household.

Source releases
28
Available cycles
2007-2008 · 2007-2008 · 2009-2010 · 2009-2010 · 2009-2010 · 2009-2010 · 2011-2012 · 2011-2012 · 2011-2012 · 2011-2012 · 2013-2014 · 2013-2014 · 2013-2014 · 2013-2014 · 2015-2016 · 2015-2016 · 2015-2016 · 2015-2016 · 2017-2018 · 2017-2018 · 2017-2018 · 2017-2018 · 2017-2020 · 2017-2020 · 2017-2020 · 2017-2020 · 2021-2023 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1DRSTZIndexed NHANES variable

Dietary

Dietary recall status

Source releases
34
Available cycles
2003-2004 · 2003-2004 · 2005-2006 · 2005-2006 · 2007-2008 · 2007-2008 · 2007-2008 · 2007-2008 · 2009-2010 · 2009-2010 · 2009-2010 · 2009-2010 · 2011-2012 · 2011-2012 · 2011-2012 · 2011-2012 · 2013-2014 · 2013-2014 · 2013-2014 · 2013-2014 · 2015-2016 · 2015-2016 · 2015-2016 · 2015-2016 · 2017-2018 · 2017-2018 · 2017-2018 · 2017-2018 · 2017-2020 · 2017-2020 · 2017-2020 · 2017-2020 · 2021-2023 · 2021-2023
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1EXMERIndexed NHANES variable

Dietary

Interviewer ID code

Source releases
34
Available cycles
2003-2004 · 2003-2004 · 2005-2006 · 2005-2006 · 2007-2008 · 2007-2008 · 2007-2008 · 2007-2008 · 2009-2010 · 2009-2010 · 2009-2010 · 2009-2010 · 2011-2012 · 2011-2012 · 2011-2012 · 2011-2012 · 2013-2014 · 2013-2014 · 2013-2014 · 2013-2014 · 2015-2016 · 2015-2016 · 2015-2016 · 2015-2016 · 2017-2018 · 2017-2018 · 2017-2018 · 2017-2018 · 2017-2020 · 2017-2020 · 2017-2020 · 2017-2020 · 2021-2023 · 2021-2023
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1FSIndexed NHANES variable

Dietary

Where did you get (this/most of the ingredients for this) {FOODNAME}?

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1HELPDIndexed NHANES variable

Dietary

Who helped in responding for this interview

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2007-2008 · 2009-2010 · 2009-2010 · 2011-2012 · 2011-2012 · 2013-2014 · 2013-2014
Dataset
Dietary Interview - Total Nutrient Intakes, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IACARIndexed NHANES variable

Dietary

Alpha-carotene (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IALCOIndexed NHANES variable

Dietary

Alcohol (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IATOAIndexed NHANES variable

Dietary

Added alpha-tocopherol (Vitamin E) (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IATOCIndexed NHANES variable

Dietary

Vitamin E as alpha-tocopherol (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IB12AIndexed NHANES variable

Dietary

Added vitamin B12 (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IBCARIndexed NHANES variable

Dietary

Beta-carotene (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ICAFFIndexed NHANES variable

Dietary

Caffeine (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ICALCIndexed NHANES variable

Dietary

Calcium (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ICARBIndexed NHANES variable

Dietary

Carbohydrate (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ICHLIndexed NHANES variable

Dietary

Total choline (mg)

Source releases
9
Available cycles
2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ICHOLIndexed NHANES variable

Dietary

Cholesterol (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ICOPPIndexed NHANES variable

Dietary

Copper (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ICRYPIndexed NHANES variable

Dietary

Beta-cryptoxanthin (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IFAIndexed NHANES variable

Dietary

Folic acid (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IFDCDIndexed NHANES variable

Dietary

USDA food code

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IFDFEIndexed NHANES variable

Dietary

Folate as dietary folate equivalents (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IFFIndexed NHANES variable

Dietary

Food folate (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IFIBEIndexed NHANES variable

Dietary

Dietary fiber (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IFOLAIndexed NHANES variable

Dietary

Total Folate (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IGRMSIndexed NHANES variable

Dietary

Gram weight of the food/individual component

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IIRONIndexed NHANES variable

Dietary

Iron (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IKCALIndexed NHANES variable

Dietary

Energy (kcal)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ILINEIndexed NHANES variable

Dietary

Food/individual component number

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ILYCOIndexed NHANES variable

Dietary

Lycopene (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1ILZIndexed NHANES variable

Dietary

Lutein + zeaxanthin (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IM161Indexed NHANES variable

Dietary

MFA 16:1 (Hexadecenoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IM181Indexed NHANES variable

Dietary

MFA 18:1 (Octadecenoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IM201Indexed NHANES variable

Dietary

MFA 20:1 (Eicosenoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IM221Indexed NHANES variable

Dietary

MFA 22:1 (Docosenoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IMAGNIndexed NHANES variable

Dietary

Magnesium (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IMFATIndexed NHANES variable

Dietary

Total monounsaturated fatty acids (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IMOISIndexed NHANES variable

Dietary

Moisture (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1INIACIndexed NHANES variable

Dietary

Niacin (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IP182Indexed NHANES variable

Dietary

PFA 18:2 (Octadecadienoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IP183Indexed NHANES variable

Dietary

PFA 18:3 (Octadecatrienoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IP184Indexed NHANES variable

Dietary

PFA 18:4 (Octadecatetraenoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IP204Indexed NHANES variable

Dietary

PFA 20:4 (Eicosatetraenoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IP205Indexed NHANES variable

Dietary

PFA 20:5 (Eicosapentaenoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IP225Indexed NHANES variable

Dietary

PFA 22:5 (Docosapentaenoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IP226Indexed NHANES variable

Dietary

PFA 22:6 (Docosahexaenoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IPFATIndexed NHANES variable

Dietary

Total polyunsaturated fatty acids (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IPHOSIndexed NHANES variable

Dietary

Phosphorus (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IPOTAIndexed NHANES variable

Dietary

Potassium (mg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IPROTIndexed NHANES variable

Dietary

Protein (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IRETIndexed NHANES variable

Dietary

Retinol (mcg)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IS040Indexed NHANES variable

Dietary

SFA 4:0 (Butanoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IS060Indexed NHANES variable

Dietary

SFA 6:0 (Hexanoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IS080Indexed NHANES variable

Dietary

SFA 8:0 (Octanoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IS100Indexed NHANES variable

Dietary

SFA 10:0 (Decanoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IS120Indexed NHANES variable

Dietary

SFA 12:0 (Dodecanoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IS140Indexed NHANES variable

Dietary

SFA 14:0 (Tetradecanoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing
DR1IS160Indexed NHANES variable

Dietary

SFA 16:0 (Hexadecanoic) (gm)

Source releases
10
Available cycles
2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
Dataset
Dietary Interview - Individual Foods, First Day
CDC/NCHS source releases
Add to Study BuilderVariable historyCDC source listing