title: Interviewer identity as exclusion restriction in epidemiology.
authors.forename: Till
authors.initials: T
authors.lastname: Bärnighausen
authors.forename: Jacob
authors.initials: J
authors.lastname: Bor
authors.forename: Speciosa
authors.initials: S
authors.lastname: Wandira-Kazibwe
authors.forename: David
authors.initials: D
authors.lastname: Canning
mesh_terms: D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D007407:Interviews as Topic; D008297:Male; D015233:Models, Statistical; D018579:Patient Selection; D011361:Professional Competence; D011786:Quality Control; D012649:Self Concept