In case you think you might need hepatitis A, or have any questions, visit a sexual health clinic or GUM clinic. If you’re a man having intercourse with men (MSM), with out condoms and with somebody new, you should have an STI and HIV check every three months, otherwise, it needs to be at least once a year. We labeled participants with no partners prior to now year as having no accomplice concurrency. Finally, we used the variable concerning variety of companions up to now year to point if a person had engaged in any intercourse previously yr. Using available partnership begin and finish dates (month and yr), we determined the proportion of respondents who reported any overlapping partnerships up to now 12 months. As shown in Figure 2b, the prevalence of intercourse accomplice concurrency throughout the year was a lot lower amongst heterosexual women and men (9.7% and 7.5%, respectively) than among UMHS MSM (31.3%) and SEA MSM (17.8%) (MSM vs. In any respect ages, heterosexual men and women reported a median of 1 accomplice up to now 12 months, whereas MSM reported a median of four partners in UMHS and 2-3 male companions in SEA. We used age data about each participant’s most current accomplice to calculate the proportion who had companions with greater than a 5- or 10-year age difference.