title: [What is a confounding variable?].
authors.affiliation: Unidad de Epidemiología y Salud Pública. Facultad de Medicina. Universidad de Navarra. jdeirala@unav.es
authors.forename: J
authors.initials: J
authors.lastname: de Irala
authors.forename: M A
authors.initials: MA
authors.lastname: Martínez-González
authors.forename: F
authors.initials: F
authors.lastname: Guillén Grima
mesh_terms: D015986:Confounding Factors, Epidemiologic; D003627:Data Interpretation, Statistical
vernacular_title: Qué es una variable de confusión?