Has categories leaf node

@prefix icare: <https://w3id.org/icare4cvd/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

icare:categories a owl:ObjectProperty ;
    rdfs:label "Has categories"@en ;
    rdfs:comment "Categories for this variable, if it is a categorical variable"@en ;
    rdfs:domain icare:Variable ;
    rdfs:isDefinedBy icare: ;
    rdfs:range icare:VariableCategory .