Individual interviews with 350 behaviorally bisexual men aged 18-30 re
vealed that 71% of their female sexual partners and 59% of their stead
y female sexual partners in the past 6 months had not been aware of th
eir homosexual activity. Rates of nondisclosure were higher for Africa
n-American than White men. Compared to nondisclosers, men who disclose
d to all their female partners were less self-homophobic and perceived
their friends, families, and neighbors as more accepting of their hom
osexual behavior. Compared to men who had disclosed, the nondisclosers
had more female partners and used condoms less consistently with wome
n.