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BIRTH ORDER AND SEXUAL ORIENTATION IN MEN: EVIDENCE FOR TWO INDEPENDENT INTERACTIONS

Published online by Cambridge University Press:  14 November 2005

ANTHONY F. BOGAERT  and
JIAN LIU
ANTHONY F. BOGAERT
Affiliation:
Departments of Community Health Sciences and Psychology, Brock University, St Catharines, Canada
JIAN LIU
Affiliation:
Department of Community Health Services, Brock University, St Catharines, Canada
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Abstract

Birth order is correlated with male sexual orientation, but the reason(s) for this relationship is unclear. In the present study, data from a Canadian sample of homosexual and heterosexual men (N=604) were used to present evidence of two independent birth order interactions – one with height and the other with parental age – predicting sexual orientation in men. If these findings prove reliable, it raises the possibility that different aetiological factors underlie the birth order/sexual orientation relationship in men.

Type
Regular Articles
Information
Journal of Biosocial Science , Volume 38 , Issue 6 , November 2006 , pp. 811 - 819
Copyright
2005 Cambridge University Press

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