Men who had sexual partners of the same-sex or both sexes were at lower risk . sex partners (≥ to ), and only same-sex partners.
A total of 39% reported heterosexual intercourse and no same-sex genital contact. .. OR = , 95% CI = –; regret: OR = , 95% CI = – ).
patterns of heterosexual oral and anal sex among teenag- ers, including those who .. Any to same sex (ref). Sexual identity. Homosexual/bisexual.