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Change History For

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
09/10/2025
View Data Structure
01
Element Name Change Description Before Now When
ffq_beef NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_beef NEW_MAP_ELEMENT Added data element 'ffq_beef' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_bread NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_bread NEW_MAP_ELEMENT Added data element 'ffq_bread' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_cheese_hard NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_cheese_hard NEW_MAP_ELEMENT Added data element 'ffq_cheese_hard' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_cheese_soft NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_cheese_soft NEW_MAP_ELEMENT Added data element 'ffq_cheese_soft' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_chicken NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_chicken NEW_MAP_ELEMENT Added data element 'ffq_chicken' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_eggs NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_eggs NEW_MAP_ELEMENT Added data element 'ffq_eggs' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_fruit NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_fruit NEW_MAP_ELEMENT Added data element 'ffq_fruit' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_grains_cereals NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_grains_cereals NEW_MAP_ELEMENT Added data element 'ffq_grains_cereals' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_green_veggie NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_green_veggie NEW_MAP_ELEMENT Added data element 'ffq_green_veggie' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_kefir NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_kefir NEW_MAP_ELEMENT Added data element 'ffq_kefir' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_kimchi NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_kimchi NEW_MAP_ELEMENT Added data element 'ffq_kimchi' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_kombucha NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_kombucha NEW_MAP_ELEMENT Added data element 'ffq_kombucha' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_lamb NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_lamb NEW_MAP_ELEMENT Added data element 'ffq_lamb' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_milk NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_milk NEW_MAP_ELEMENT Added data element 'ffq_milk' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_other NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_other NEW_MAP_ELEMENT Added data element 'ffq_other' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_other_recent NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_other_recent NEW_MAP_ELEMENT Added data element 'ffq_other_recent' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_other_veggie NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_other_veggie NEW_MAP_ELEMENT Added data element 'ffq_other_veggie' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_pasta NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_pasta NEW_MAP_ELEMENT Added data element 'ffq_pasta' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_pork NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_pork NEW_MAP_ELEMENT Added data element 'ffq_pork' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_potatoes NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_potatoes NEW_MAP_ELEMENT Added data element 'ffq_potatoes' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_processed_meat NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_processed_meat NEW_MAP_ELEMENT Added data element 'ffq_processed_meat' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_processed_seafood NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_processed_seafood NEW_MAP_ELEMENT Added data element 'ffq_processed_seafood' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_rice NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_rice NEW_MAP_ELEMENT Added data element 'ffq_rice' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_seafood NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_seafood NEW_MAP_ELEMENT Added data element 'ffq_seafood' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_stool_softener NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_stool_softener NEW_MAP_ELEMENT Added data element 'ffq_stool_softener' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_tempeh NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_tempeh NEW_MAP_ELEMENT Added data element 'ffq_tempeh' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_type NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_type NEW_MAP_ELEMENT Added data element 'ffq_type' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_type_other NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_type_other NEW_MAP_ELEMENT Added data element 'ffq_type_other' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_yogurt_cultures NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_yogurt_cultures NEW_MAP_ELEMENT Added data element 'ffq_yogurt_cultures' to data structure 'ffq01'. 09/10/2025 09:50 AM
ffq_yogurt_other NEW_DATA_ELEMENT 09/10/2025 09:50 AM
ffq_yogurt_other NEW_MAP_ELEMENT Added data element 'ffq_yogurt_other' to data structure 'ffq01'. 09/10/2025 09:50 AM
food_name_1 NEW_DATA_ELEMENT 09/10/2025 09:50 AM
food_name_1 NEW_MAP_ELEMENT Added data element 'food_name_1' to data structure 'ffq01'. 09/10/2025 09:50 AM
food_name_2 NEW_DATA_ELEMENT 09/10/2025 09:50 AM
food_name_2 NEW_MAP_ELEMENT Added data element 'food_name_2' to data structure 'ffq01'. 09/10/2025 09:50 AM
food_name_3 NEW_DATA_ELEMENT 09/10/2025 09:50 AM
food_name_3 NEW_MAP_ELEMENT Added data element 'food_name_3' to data structure 'ffq01'. 09/10/2025 09:50 AM
food_number_1 NEW_DATA_ELEMENT 09/10/2025 09:50 AM
food_number_1 NEW_MAP_ELEMENT Added data element 'food_number_1' to data structure 'ffq01'. 09/10/2025 09:50 AM
food_number_2 NEW_DATA_ELEMENT 09/10/2025 09:50 AM
food_number_2 NEW_MAP_ELEMENT Added data element 'food_number_2' to data structure 'ffq01'. 09/10/2025 09:50 AM
food_number_3 NEW_DATA_ELEMENT 09/10/2025 09:50 AM
food_number_3 NEW_MAP_ELEMENT Added data element 'food_number_3' to data structure 'ffq01'. 09/10/2025 09:50 AM
food_serving_1 NEW_DATA_ELEMENT 09/10/2025 09:50 AM
food_serving_1 NEW_MAP_ELEMENT Added data element 'food_serving_1' to data structure 'ffq01'. 09/10/2025 09:50 AM
food_serving_2 NEW_DATA_ELEMENT 09/10/2025 09:50 AM
food_serving_2 NEW_MAP_ELEMENT Added data element 'food_serving_2' to data structure 'ffq01'. 09/10/2025 09:50 AM
food_serving_3 NEW_DATA_ELEMENT 09/10/2025 09:50 AM
food_serving_3 NEW_MAP_ELEMENT Added data element 'food_serving_3' to data structure 'ffq01'. 09/10/2025 09:50 AM
src_subject_id ELEMENT_SIZE, ELEMENT_SIZE: 20 ELEMENT_SIZE: 45 05/13/2025 11:50 AM
interview_age VALUE_RANGE, VALUE_RANGE: 0 :: 1260 VALUE_RANGE: 0::1440 04/04/2024 13:54 PM
sex DESCRIPTION DESCRIPTION: Sex of the subject DESCRIPTION: Sex of subject at birth 07/09/2021 10:38 AM
gender PERMANENTLY ALIASED gender sex 04/22/2019 00:00 AM
Data Structure Change History

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