<ddi:Fragment xmlns:ddi="ddi:instance:3_1" xmlns:r="ddi:reusable:3_1"><l:Variable id="73897c76-bb48-4bc8-8e96-afc5bb381fd2" version="1.0.0" versionDate="2025-05-13T14:38:29" xmlns:l="ddi:logicalproduct:3_1" xmlns:r="ddi:reusable:3_1"><r:UserID type="11179-IRDI">de.dezim:73897c76-bb48-4bc8-8e96-afc5bb381fd2:1</r:UserID><r:VersionResponsibility>el-masri@dezim-institut.de</r:VersionResponsibility><r:VersionRationale xml:lang="de">Version 1</r:VersionRationale><l:VariableName xml:lang="de">phq4</l:VariableName><r:Label xml:lang="de">Feeling tired or having little energy</r:Label><l:ResponseUnit /><r:AnalysisUnit /><l:Representation additivity="NonAdditive"><l:CodeRepresentation blankIsMissingValue="false"><r:CodeSchemeReference><r:ID>694abfa0-a902-49d4-81a9-c18f2ca52cb9</r:ID><r:IdentifyingAgency>de.dezim</r:IdentifyingAgency><r:Version>1</r:Version></r:CodeSchemeReference></l:CodeRepresentation></l:Representation></l:Variable></ddi:Fragment>