It has previously been reported that births of individuals who later develop schizophrenia vary by birth year.
Birth data were analysed on 34 024 individuals diagnosed with DSM-III-R disorganised, catatonic, and undifferentiated schizophrenia using time series analysis.
Minor yearly fluctuations were observed but did not achieve statistical significance.
Thus earlier findings reported in the literature could not be replicated using a different statistical approach.
The findings do not support theories which assume major yearly fluctuations in the births of individuals with schizophrenia.
Such theories include the perinatal effects of influenza, temperature variation, and the effects of severe weather.
Mots-clés Pascal : Schizophrénie, Psychose, Date naissance, Enquête, Epidémiologie, Ohio, Etats Unis, Amérique du Nord, Amérique, Pennsylvanie, Virginie, Caroline du Nord, Homme
Mots-clés Pascal anglais : Schizophrenia, Psychosis, Birth date, Survey, Epidemiology, Ohio, United States, North America, America, Pennsylvania, Virginia, North Carolina, Human
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 97-0026622
Code Inist : 002B18C06A. Création : 21/05/1997.