logical_variables.csv¶

List of Columns¶

study: Primary key, name of the study.
logical_dataset: Primary key, name of the dataset.
logical_variable: Primary key, name of the variable.
label: Human-readable label.
concept: Name of the underlying concept, foreign key to concepts.csv.
questionnaire: Name of the underlying questionnaire, foreign key to questionns.csv.
question: Name of the underlying question, foreign key to questions.csv.
item: Name of the underlying item, foreign key to questions.csv.
is_primary_key: Boolean indicator, if this variable is part of the dataset’s primary key.
basket_key: Name of an study-specific identifier in this dataset, which is used for the script generator.
basket_is_default: Boolean indicator, whether a script generator should include this variable by default, if its dataset is used.

The link to a question (or question item) is only established if the question already exists. There are no new questions created by variables.csv.