@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

n9j:-C8NQZ4GL-J
  skos:prefLabel "statistics and research methods"@en ;
  a skos:Concept ;
  skos:narrower n9j:-L7V7DG6K-B .

n9j:-methods
  a isothes:ConceptGroup ;
  skos:prefLabel "methods"@en ;
  skos:member n9j:-L7V7DG6K-B .

n9j: a skos:ConceptScheme .
n9j:-L7V7DG6K-B
  skos:broader n9j:-C8NQZ4GL-J, n9j:-Q78M8VWZ-3, n9j:-ZH1MWWSB-R, n9j:-FLXDM6H8-1 ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D015986.html> ;
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/confounding_(epidemiology)> ;
  skos:definition "The word confounding has been used to refer to at least three distinct concepts. In the oldest and most widespread usage, confounding is a source of bias in estimating causal effects. [Source: Encyclopedia of Epidemiology; Confounding]"@en ;
  skos:inScheme n9j: ;
  a skos:Concept ;
  skos:prefLabel "confounding (epidemiology)"@en .

n9j:-Q78M8VWZ-3
  skos:prefLabel "biostatistics and clinical epidemiology"@en ;
  a skos:Concept ;
  skos:narrower n9j:-L7V7DG6K-B .

n9j:-FLXDM6H8-1
  skos:prefLabel "epidemiologic factors"@en ;
  a skos:Concept ;
  skos:narrower n9j:-L7V7DG6K-B .

n9j:-ZH1MWWSB-R
  skos:prefLabel "health and behavior"@en ;
  a skos:Concept ;
  skos:narrower n9j:-L7V7DG6K-B .