<qa>  What is one of the risk factors for HIV acquisition in the past 6 months according to self report- One or more of the following risk factors for HIV acquisition in the past 6 months according to self report: sexual intercourse with more than one man; history of an acute STI; sex in exchange for money, goods or favors; condomless intercourse oral, anal, or vaginal with a partner known to be HIV-infected or of unknown HIV infection status 