The antecedents of psychoses: a case–control study of selected risk factors

摘要: Winter birth, urban birth and/or childhood residence, and perinatal complications have each been identified as environmental risk factors for the later development of schizophrenia, schizoaffective disorder, bipolar disorder. A preliminary case-control study also cat exposure in a possible factor. To assess selected events, including to pets, these diseases, telephone survey was carried out by University Maryland Survey Research Center 264 mothers cases 528 matched controls. The were randomly who members National Alliance Mentally Ill, whose children had diagnosed with or controls from same exchanges. For five 19 major variables, there statistically significant differences between controls: fever during pregnancy, delivery, city suburban residence at ownership age 13, breast-feeding. In multivariate logistic regression variable made contribution. finding complications, urban/suburban psychoses confirmed previous studies. Previous research on breast-feeding factor has yielded contradictory results. Additional is needed ascertain how such interact genetic factors. Understanding could lead better treatments prevention strategies.