About five percent of both WA and AA reported anal, oral, and vaginal sex. Those having anal, oral, and vaginal sex with their most recent partner were more than eight times as likely to also report a history of same-sex relationships. Those having anal, oral, and vaginal sex were nearly three times more likely to also report that their current relationship was not monogamous. Persons in same-sex relationships were likely to have more frequent vaginal sex. Among WA, increased condom use was related to vaginal and oral sex and decreasing use was related to vaginal sex only.
Heterosexual repertoire is associated with same-sex experience.
In all three groups, prevalence was higher for women than men. Prevalence rates were highest for those 15 to 24 years of age. Mertz, K. J. et al. A pilot study of the prevalence of Chlamydial infection in a national household survey. Ninety-two percent of those who were tested indicated comfort using the Orasure test.