Optional_OptionaldescriptionA text description or summary of the variable
Optionaldirectnesslow | moderate | high | exact
OptionalextensionAdditional content defined by implementations
OptionalidUnique id for inter-element referencing
OptionalintendedDefinition of the intended variable related to the Evidence
OptionalmodifierExtensions that cannot be ignored even if unrecognized
OptionalnoteFootnotes and/or explanatory notes
OptionalobservedDefinition of the actual variable related to the statistic(s)
population | subpopulation | exposure | referenceExposure | measuredVariable | confounder
A text description or summary of the variable