<status value="active"/><experimental value="false"/><date value="2023-11-08T16:55:11+11:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="The role that the variable plays."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/variable-role"/><content value="complete"/><concept><code value="population"/><display value="Population"/><definition value="The group from which the observations were obtained."/></concept><concept><code value="exposure"/><display value="Exposure"/><definition value="An independant variable of primary interest."/></concept><concept><code value="outcome"/><display value="Outcome"/><definition value="A dependent variable."/></concept><concept><code value="covariate"/><display value="Covariate"/><definition value="A variable that influences the exposure or outcome."/></concept></CodeSystem>

Generated Narrative: CodeSystem variable-role

This case-sensitive code system http://hl7.org/fhir/variable-role defines the following codes:

Code	Display	Definition
population	Population	The group from which the observations were obtained.
exposure	Exposure	An independant variable of primary interest.
outcome	Outcome	A dependent variable.
covariate	Covariate	A variable that influences the exposure or outcome.