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Food Frequency Questionnaire (FFQ)

0 Shared Subjects

The Food Frequency Questionnaire (FFQ) assess the amount of different foods the participant consumes which was used to estimate iron intake.
Clinical Assessments
Food
06/01/2021
ffq01
06/22/2021
View Change History
01
Query Element Name Data Type Size Required Description Value Range Notes Aliases
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for research subject NDAR*
src_subject_id String 20 Required Subject ID how it's defined in lab/project
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0 :: 1260 Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month.
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported
ironic_servg_meat_liver Float Recommended Liver (pork, beef, calf, poultry), pork kidney/Serving size reference: 100 g (palm of small hand) Number of servings in a typical week. 0 = None
ironic_servg_meat_pork Float Recommended Other pork offal, poultry stomach/ Serving size reference: 100 g (palm of small hand) Number of servings in a typical week. 0 = None
ironic_servg_meat_beef Float Recommended Beef, calf, lamb, horse, goose, duck meat/Serving size reference: 100 g (palm of small hand) Number of servings in a typical week. 0 = None
meat_port Float Recommended Pork meat/Serving size reference: 100 g (palm of small hand) Number of servings in a typical week. 0 = None
meat_poultry Float Recommended Poultry meat/Serving size reference: 100 g (palm of small hand) Number of servings in a typical week. 0 = None
meat_broth Float Recommended Broth/Serving size reference: 250 g (1 glass)-Number of servings in a typical week Number of servings in a typical week. 0 = None
ironic_servg_meat_bloodpudding Float Recommended Blood pudding sausage/Serving size reference: 25 g (e.g. 1/2 of wiener, medium slice of ham, 5 slices of sausage) Number of servings in a typical week. 0 = None
ironic_servg_meat_otheroffal Float Recommended Other offal cold cuts/Serving size reference: 25 g (e.g. 1/2 of wiener, medium slice of ham, 5 slices of sausage) Number of servings in a typical week. 0 = None
ironic_servg_meat_loincoldcuts Float Recommended Loin cold cuts, ham, poultry sausages/Serving size reference: 25 g (e.g. 1/2 of wiener, medium slice of ham, 5 slices of sausage) Number of servings in a typical week. 0 = None
ironic_servg_othersausages Float Recommended Other sausages, wiener, smoked gammon, spam, pate, salami, brawn cold cut, bacon/Serving size reference: 25 g (e.g. 1/2 of wiener, medium slice of ham, 5 slices of sausage) Number of servings in a typical week. 0 = None
ironic_servg_egg Float Recommended Eggs/Serving size reference: 50 g (1 egg) Number of servings in a typical week. 0 = None
ironic_servg_fish_sardines Float Recommended Fish-Sardines/Serving size reference: 50 g (deck of cards) Number of servings in a typical week. 0 = None
ironic_servg_fish_other Float Recommended Other fish and fish products/Serving size reference: 50 g (deck of cards) Number of servings in a typical week. 0 = None
ironic_servg_dairy_milk Float Recommended Milk and milk beverages (yoghurt, kefir, buttermilk, cream)/Serving size reference: 250 g (1 glass) Number of servings in a typical week. 0 = None
ironic_servg_dairy_cottage Float Recommended Cottage cheese/Serving size reference: 50 g (1 thick slice, 2 tablespoons) Number of servings in a typical week. 0 = None
ironic_servg_dairy_rennet Float Recommended Rennet and processed cheese/Serving size reference: 25 g (1 slice, 1 triangle serving) Number of servings in a typical week. 0 = None
ironic_servg_cereal_whitemeat Float Recommended White wheat and rye bread, bakery wares/Serving size reference: 35 g (1 slice, small roll) Number of servings in a typical week. 0 = None
ironic_servg_cereal_darkbread Float Recommended Dark bread, wholemeal, with grains, graham bread, pumpernickel bread/Serving size reference: 35 g (1 slice, small roll) Number of servings in a typical week. 0 = None
ironic_servg_cereal_crispbread Float Recommended Crispbread/Serving size reference: 10 g (1 slice) Number of servings in a typical week. 0 = None
ironic_servg_cereal_wheatbran Float Recommended Wheat bran, wheat germs/Serving size reference: 10 g (1 spoon) Number of servings in a typical week. 0 = None
ironic_servg_cereal_cornflakes Float Recommended Iron-fortified corn flakes and cereals/Serving size reference: 35 g (1 glass) Number of servings in a typical week. 0 = None
ironic_servg_cereal_other Float Recommended Other cereal products (uncooked)/100 g (e.g. 1 glass of pasta or oatmeal, 1/2 glass of rice or groats) Number of servings in a typical week. 0 = None
ironic_servg_fruit_fresh Float Recommended Fresh fruits/Serving size reference: 100 g (1 medium piece, 1 glass) Number of servings in a typical week. 0 = None
ironic_servg_fruit_dry Float Recommended Dried fruits/Serving size reference: 50 g (handful) Number of servings in a typical week. 0 = None
ironic_servg_veget_dry Float Recommended Vegetables-Dry legumes/Serving size reference: 100 g (1/2 of glass) Number of servings in a typical week. 0 = None
ironic_servg_veget_other Float Recommended Vegetables-Other vegetables/Serving size reference: 100 g (1 medium piece, 1 glass) Number of servings in a typical week. 0 = None
ironic_servg_potato Float Recommended Serving size reference: 100 g (1 large piece) Number of servings in a typical week. 0 = None
ironic_servg_fats Float Recommended Fats/Serving size reference: 10 g (1 spoon)-Number of servings in a typical week Number of servings in a typical week. 0 = None
ironic_servg_nuts_poppy Float Recommended Nuts/Seeds-Poppy, pumpkin and flaxseed/Serving size reference: 30 g (handful, 3 spoons of seeds) Number of servings in a typical week. 0 = None
ironic_servg_nuts_other Float Recommended Nuts/Seeds-Other nuts and seeds/Serving size reference: 30 g (handful, 3 spoons of seeds) Number of servings in a typical week. 0 = None
ironic_servg_cocoa Float Recommended Cocoa/Serving size reference: 10 g (1 spoon) Number of servings in a typical week. 0 = None
ironic_servg_chocolate Float Recommended Chocolate/Serving size reference: 20 g (1/5 of bar) Number of servings in a typical week. 0 = None
Data Structure

This page displays the data structure defined for the measure identified in the title and structure short name. The table below displays a list of data elements in this structure (also called variables) and the following information:

  • Element Name: This is the standard element name
  • Data Type: Which type of data this element is, e.g. String, Float, File location.
  • Size: If applicable, the character limit of this element
  • Required: This column displays whether the element is Required for valid submissions, Recommended for valid submissions, Conditional on other elements, or Optional
  • Description: A basic description
  • Value Range: Which values can appear validly in this element (case sensitive for strings)
  • Notes: Expanded description or notes on coding of values
  • Aliases: A list of currently supported Aliases (alternate element names)
  • For valid elements with shared data, on the far left is a Filter button you can use to view a summary of shared data for that element and apply a query filter to your Cart based on selected value ranges

At the top of this page you can also:

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  • Download a copy of this definition in CSV format
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