Relationship between serostatus disclosure and categories of HIV transmission risk in men who have sex with men living with HIV.

In prior studies, the relationship between serostatus disclosure and reduced HIV transmission risk has been mixed. The demonstration of a clear connection may be restricted by three main methodological limitations. This study evaluates the relationship between (1) more refined measures of serostatus disclosure and (2) eight categories of HIV transmission risk (lowest to highest risk) among men who have sex with men (MSM) living with HIV, while (3) considering a number of control variables. Results demonstrate that disclosure is more likely in sexual encounters involving no intercourse or involving protected and unprotected anal intercourse with HIV-positive partners than unprotected insertive anal intercourse with HIV-negative/unknown status partners. Additionally, substance use prior to sexual encounters is less likely in lower risk categories than the highest risk category. Results of this study are important to the design of future studies, prevention, and intervention programs for MSM and to the methods used to evaluate their effectiveness.