20th International AIDS Conference - Melbourne, Australia


THPE156 - Poster Exhibition

Motivations for PrEP use among Australian gay men

G. Prestage1,2, M. Holt3, B. Bavinton1, P. Keen1, D. Murphy3,4, R. Guy1, J. Bradley1, I. Zablotska1

1University of New South Wales, Kirby Institute, Darlinghurst, Australia, 2La Trobe University, Australian Research Centre in Sex Health and Society, Melbourne, Australia, 3University of New South Wales, Centre for Social Research in Health, Darlinghurst, Australia, 4Australian Federation of AIDS Organisations, Newtown, Australia

Background: Truvada has not yet been licensed for use as pre-Exposure Prophylaxis (PrEP) in Australia. We explored motivations and willingness to use PrEP among Australian gay men.
Methods: TAXI-KAB was a national online survey of Australian gay men recruited during late 2012. 564 non HIV-positive men responded to questions about PrEP.
Results: Mean age was 38 years. 32.0% reported unprotected anal intercourse with casual partners (UAIC) in the previous six months. Most men (76.6%) indicated that they might use daily PrEP at some time, but when asked whether they would be likely to do so as soon as it becomes available for use in Australia, only 26.0% agreed and 10.7% strongly agreed that they would do so. Although 83.8% indicated that they would not rely on PrEP to prevent HIV infection, 21.4% indicated that they would take PrEP so they could sometimes avoid using condoms. Among men who had not engaged in UAIC, only 14.1% indicated they would take PrEP to avoid using condoms. Overall, small proportions of men indicated they would consider engaging in UAIC with known HIV-positive partners, in either the insertive (16.3%) or receptive positions (9.1%), if they were using PrEP. Wanting to use PrEP as soon as possible was associated with engaging in UAIC (adjusted OR=1.51; 95%CI 1.02-2.24), wanting to stop using condoms (AOR=1.54; 95%CI 1.26-1.88), not having university level education (AOR=0.66; 95%CI 0.46-0.94) and being inclined to rely on PrEP to prevent infection (AOR=1.34; 95%CI 1.11-1.62).
Conclusions: While most men express an abstract willingness to use PrEP, they are less inclined to actually do so at this stage. Nonetheless, about one in five hope PrEP will provide them an alternative to condom use. However, this was true of only few men who had not already been engaging in UAIC. Men who have engaged in sexual risk behavior and those who actively seek to discard condoms are more inclined to want to use PrEP as soon as possible. PrEP is likely to be a useful option to prevent HIV infection among men already engaging in, or interested in, sex without condoms.

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