Schizophrenia: Sex and familial morbidity

Pak C. Sham, Irving I. Gottesman, Charles J. MacLean, Kenneth S. Kendler

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Several recent studies have found a greater risk of schizophrenia among the relatives of female schizophrenic probands than the relatives of male schizophrenic probands. These results are contradictory to those of earlier studies. The current investigation, using family data collected in the 1950's and 1960's in Sweden, did not find a difference in the risk of schizophrenia among the relatives of male and female schizophrenic probands. However, significantly more relatives of female probands than relatives of male probands had manic-depressive psychosis. These findings suggest that the earlier studies may have included some female schizophrenic probands who would be classified as having manic-depression by modern criteria.

Original languageEnglish (US)
Pages (from-to)125-134
Number of pages10
JournalPsychiatry Research
Volume52
Issue number2
DOIs
StatePublished - May 1994

Bibliographical note

Funding Information:
Acknowledgments. We thank Dr. Rolf Lindelius (Psychiatric Clinic, Soderjukhuset, Stockholm) for extracting the pedigree data from the original records, supported by a grant from the John D. and Catherine T. MacArthur Foundation awarded to Dr. Irving Gottesman. This analysis was supported in part by a training fellowship from the Wellcome Trust (Dr. Pak Sham) and National Institute of Mental Health Grant MH-41953 (Dr. Kenneth Kendler).

Keywords

  • Genetics
  • bipolar affective disorder
  • sex differences

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