title: Interpretation and analysis of differential exposure variability and zero-exposure categories for continuous exposures.
authors.forename: C
authors.initials: C
authors.lastname: Robertson
authors.forename: P
authors.initials: P
authors.lastname: Boyle
authors.forename: C C
authors.initials: CC
authors.lastname: Hsieh
authors.forename: G J
authors.initials: GJ
authors.lastname: Macfarlane
authors.forename: P
authors.initials: P
authors.lastname: Maisonneuve
mesh_terms: D015982:Bias; D016022:Case-Control Studies; D003627:Data Interpretation, Statistical; D004812:Epidemiologic Methods; D006801:Humans