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Season of Birth Among the Sibs of Schizophrenics

Published online by Cambridge University Press:  29 January 2018

Carol Buck  and
Helen Simpson
Carol Buck
Affiliation:
Department of Epidemiology and Preventive Medicine, University of Western Ontario, London, Canada, N6A 5B7
Helen Simpson
Affiliation:
Department of Epidemiology and Preventive Medicine, University of Western Ontario, London, Canada, N6A 5B7
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Summary

The season of birth distribution of 1,039 sibs of Canadian schizophrenic patients was compared with that of births in the Canadian general population over the same time period. The excess of winter births observed among the schizophrenics was not found among their sibs.

Type
Research Article
Information
The British Journal of Psychiatry , Volume 133 , Issue 4 , October 1978 , pp. 358 - 360
Copyright
Copyright © Royal College of Psychiatrists, 1978 

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References

Buck, C., Hobbs, G. E., Simpson, H. & Wanklin, J. M. (1975) Fertility of the sibs of schizophrenic patients. British Journal of Psychiatry, 127, 235–9.Google Scholar
Hare, E. H. (1976) Season of birth of siblings of psychiatric patients. British Journal of Psychiatry, 129, 49–54.CrossRefGoogle ScholarPubMed
Hare, E. H. Price, J. & Slater, E. (1974) Mental disorder and season of birth. British Journal of Psychiatry, 124, 81–6.Google Scholar
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McNeil, T., Kaij, L. & Dzierzykray-Rogalska, M. (1976) Season of birth among siblings of schizophrenics. Acta Psychiatrica Scandinavica, 54, 267–74.Google Scholar
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