title: Age-incidence artifacts do not account for the season-of-birth effect in schizophrenia.
abstract: Contrary to the position taken by Lewis (1989), several articles have demonstrated an association between season of birth and the risk of schizophrenia after controlling for the age-incidence effect. The method used by Pulver et al. (1983) was misinterpreted by Lewis. Clarification of this method is provided along with additional references related to the season-of-birth issue.
authors.affiliation: Epidemilogy/Genetics Program, Johns Hopkins University School of Medicine, Baltimore, MD 21203.
authors.forename: A E
authors.initials: AE
authors.lastname: Pulver
authors.forename: C C
authors.initials: CC
authors.lastname: Moorman
authors.forename: C H
authors.initials: CH
authors.lastname: Brown
authors.forename: J A
authors.initials: JA
authors.lastname: McGrath
authors.forename: P S
authors.initials: PS
authors.lastname: Wolyniec
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D015982:Bias; D003430:Cross-Sectional Studies; D006801:Humans; D015994:Incidence; D015993:Life Tables; D008875:Middle Aged; D012307:Risk Factors; D012559:Schizophrenia / Q000453:epidemiology / Q000209:etiology*; D012565:Schizophrenic Psychology; D012621:Seasons