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Gender role/identity and sibling sex ratio in homosexual men.

Bogaert AF

Department of Community Health Sciences, Brock University, St.Catharines, Canada. tbogaert@spartan.ac.brocku.ca

Previous research has suggested that homosexual men's sibling sex ratio-the ratio of brothers to sisters collectively reported by a group of individuals-is elevated but only in samples of extremely feminine (e.g., transsexual) homosexual men. I conducted an additional test of a sibling sex ratio effect in a general sample of homosexual men (N = 237), and examined the correlation between sibling sex ratio and childhood gender identity. I found no significant effects. My discussion focuses on why little evidence of a relationship between sibling sex ratio and cross-gender behavior in childhood occurs within this general sample of homosexual men when samples selected for very feminine homosexual men have detected an elevated sibling sex ratio.

Published 15 July 2005 in J Sex Marital Ther, 31(3): 217-27.
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