Hiv transmission probability with protected sex.

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Depression and HIV risk behavior among Seattle-area injection drug users and young men who have sex with men. Science Translational Medicine. For example, participants discounted condom-protected sex less with partners they perceived as being most likely to have a sexually transmitted infection STI vs.

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An additive-utility model of delay discounting.



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After looking at some 15, articles, they identified 14 relevant studies of per-act risk and 15 on modifying factors.



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Figure 1.



HIV sexual risk behavior by men who use the Internet to seek sex with men:






But a young guy from the Midwest who looks negative?



Anal sex A meta-analysis exploring the risk of HIV transmission through unprotected anal sex was published in






Squeeze together the sides of the inner ring at the closed end of the condom and insert into the vagina or anus.



Comparing the characteristics of MSM in the present study to those from clinical trials e.






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June 4, , by Liz Highleyman.






To come up with a more accurate estimate for each type of unprotected sex, some researchers have combined the results of individual studies into what is known as a meta-analysis.



Laboratory tests show that under conditions of perfect use, male condoms are up to






When condom effectiveness is tested in serodiscordant couples where one partner is HIV positive and the other is HIV negativecondom effectiveness can range considerably.



While this approach has proven utility, real-world choices between immediate and delayed outcomes involve a variety of reinforcers other than money.






International Journal of Epidemiology.



But do they give us a better understanding of HIV risk and sexual health?






What are the advantages and disadvantages of condoms?



Condoms can fail to prevent an exposure to HIV if they break, slip or leak during sex.






There are many ways in which condoms can be used incorrectly.



AUC values range from 0 to 1, with smaller values indicating steeper discounting.