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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
Definition
Submission Template
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::1440 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:

  • Use the search bar to filter the elements displayed. This will not filter on the Size of Required columns
  • Download a copy of this definition in CSV format
  • Download a blank CSV submission template prepopulated with the correct structure header rows ready to fill with subject records and upload

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