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Flannagan J, Davison KL, Reynolds C, Brailsford SR. Determining the strength of evidence for an association between sexual indicators and risk of acquiring HIV and sexulaly transmitted infections: Providing evidence for blood donation policy change. Transfus Med 2024. [PMID: 39039735 DOI: 10.1111/tme.13062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 04/18/2024] [Accepted: 06/16/2024] [Indexed: 07/24/2024]
Abstract
In 2019 the For The Assessment Of Individualised Risk (FAIR) project began a review of UK blood donor selection policy to determine if a more individualised approach to donor selection could be safely implemented. An evidence base was required to inform selection policy to move from a population to a more individual based policy, specifically what sexual behaviours/indicators should be considered as screening questions to maintain the safety of the blood supply. Eight sexual behaviours/indicators were reviewed: history of bacterial sexually transmitted infections (STIs), chemsex, number of recent partners, condom use, type of sex, sexual health service (SHS) attendance, new sexual partner and exclusivity. We conducted searches in multiple databases to identify literature looking at the association between these behaviours/indicators and HIV/STI acquisition risk. A scoring system to determine strength of evidence was devised and applied to papers that passed screening. Key studies were identified which achieved the maximum score and more in-depth reviews were conducted for these. We identified 58 studies, including 17 key studies. Strong evidence was found linking a previous bacterial STI, chemsex and increasing numbers of sexual partners to acquisition risk. Condom use, type of sex and new partners were found to have some strength of evidence for this link. SHS attendance and exclusivity had minimal evidence. We recommended that the behaviours/indicators viewed as having strong or some strength of evidence should be considered as screening questions in a more individualised approach to donor selection criteria.
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Holt M, Chan C, Broady TR, MacGibbon J, Mao L, Smith AKJ, Rule J, Bavinton BR. Variations in HIV Prevention Coverage in Subpopulations of Australian Gay and Bisexual Men, 2017-2021: Implications for Reducing Inequities in the Combination Prevention Era. AIDS Behav 2024; 28:1469-1484. [PMID: 37755522 PMCID: PMC11069488 DOI: 10.1007/s10461-023-04172-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/08/2023] [Indexed: 09/28/2023]
Abstract
Using repeated behavioural surveillance data collected from gay and bisexual men (GBM) across Australia, we assessed trends in HIV prevention coverage (the level of 'safe sex' achieved in the population by the use of effective prevention methods, including condoms, pre-exposure prophylaxis [PrEP] and having an undetectable viral load). We stratified these trends by age, country of birth/recency of arrival, sexual identity, and the proportion of gay residents in the participant's suburb. Among 25,865 participants with casual male partners, HIV prevention coverage increased from 69.8% in 2017 to 75.2% in 2021, lower than the UNAIDS target of 95%. Higher levels of coverage were achieved among older GBM (≥ 45 years), non-recently-arrived migrants, and in suburbs with ≥ 10% gay residents. The lowest levels of prevention coverage (and highest levels of HIV risk) were recorded among younger GBM (< 25 years) and bisexual and other-identified participants. Younger, recently-arrived, and bisexual GBM were the most likely to use condoms, while PrEP use was concentrated among gay men, 25-44-year-olds, and in suburbs with more gay residents. The use of undetectable viral load was most common among participants aged ≥ 45 years. Our analysis shows that high HIV prevention coverage can be achieved through a mixture of condom use, PrEP use, and undetectable viral load, or by emphasising PrEP use. In the Australian context, younger, bisexual and other-identified GBM should be prioritised for enhanced access to effective HIV prevention methods. We encourage other jurisdictions to assess the level of coverage achieved by combination prevention, and variations in uptake.
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Affiliation(s)
- Martin Holt
- Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, 2052, Australia.
| | - Curtis Chan
- The Kirby Institute, UNSW Sydney, Sydney, Australia
| | - Timothy R Broady
- Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - James MacGibbon
- Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - Limin Mao
- Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - Anthony K J Smith
- Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - John Rule
- National Association of People With HIV Australia, Sydney, Australia
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Smiley O, Hoffmann T, Onnela JP. Approximate inference for longitudinal mechanistic HIV contact network. APPLIED NETWORK SCIENCE 2024; 9:12. [PMID: 38699247 PMCID: PMC11060975 DOI: 10.1007/s41109-024-00616-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 04/06/2024] [Indexed: 05/05/2024]
Abstract
Network models are increasingly used to study infectious disease spread. Exponential Random Graph models have a history in this area, with scalable inference methods now available. An alternative approach uses mechanistic network models. Mechanistic network models directly capture individual behaviors, making them suitable for studying sexually transmitted diseases. Combining mechanistic models with Approximate Bayesian Computation allows flexible modeling using domain-specific interaction rules among agents, avoiding network model oversimplifications. These models are ideal for longitudinal settings as they explicitly incorporate network evolution over time. We implemented a discrete-time version of a previously published continuous-time model of evolving contact networks for men who have sex with men and proposed an ABC-based approximate inference scheme for it. As expected, we found that a two-wave longitudinal study design improves the accuracy of inference compared to a cross-sectional design. However, the gains in precision in collecting data twice, up to 18%, depend on the spacing of the two waves and are sensitive to the choice of summary statistics. In addition to methodological developments, our results inform the design of future longitudinal network studies in sexually transmitted diseases, specifically in terms of what data to collect from participants and when to do so.
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Affiliation(s)
- Octavious Smiley
- Biostatistics, Harvard University, 677 Huntington Ave, Boston, MA 02115 USA
| | - Till Hoffmann
- Biostatistics, Harvard University, 677 Huntington Ave, Boston, MA 02115 USA
| | - Jukka-Pekka Onnela
- Biostatistics, Harvard University, 677 Huntington Ave, Boston, MA 02115 USA
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MacGibbon J, Bavinton BR, Drysdale K, Murphy D, Broady TR, Kolstee J, Molyneux A, Power C, Paynter H, de Wit J, Holt M. Explicit Relationship Agreements and HIV Pre-exposure Prophylaxis Use by Gay and Bisexual Men in Relationships. ARCHIVES OF SEXUAL BEHAVIOR 2023; 52:761-771. [PMID: 35939159 PMCID: PMC9360633 DOI: 10.1007/s10508-022-02382-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/04/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
Relationship agreements are important for HIV prevention among gay and bisexual men (GBM) in relationships, with research earlier in the HIV epidemic often finding that agreements specified monogamy or condom use with casual partners. There is evidence that HIV pre-exposure prophylaxis (PrEP) has shifted sexual practices among some men in relationships, such as allowing condomless sex with casual partners, but there has been little attention paid to relationship agreements among GBM who use PrEP. In this paper, we analyzed national, Australian, cross-sectional data from an online survey completed by non-HIV-positive GBM in 2021 (N = 1,185). Using logistic regression, we identified demographic characteristics, sexual practices and the types of relationship agreement that were associated with PrEP use among GBM in relationships. Using Pearson's chi-squared tests, we explored whether PrEP users in relationships reported similar sexual practices to PrEP users not in relationships. PrEP use among GBM in relationships was independently associated with older age, identifying as gay, being in a non-monogamous relationship, having a spoken (explicit) relationship agreement, having a primary HIV-negative partner taking PrEP or a primary partner living with HIV, reporting recent condomless casual sex, reporting an STI diagnosis in the past year, and knowing at least one other PrEP user. We found that PrEP users in relationships had similar sexual practices to PrEP users not in relationships. GBM in relationships who have casual sex and who meet PrEP suitability criteria may be good candidates for PrEP. Our findings suggest that explicit relationship agreements remain important for HIV prevention, and they support PrEP use among GBM in relationships.
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Affiliation(s)
- James MacGibbon
- Centre for Social Research in Health, UNSW Sydney, Sydney, 2052, Australia.
| | | | - Kerryn Drysdale
- Centre for Social Research in Health, UNSW Sydney, Sydney, 2052, Australia
| | - Dean Murphy
- The Kirby Institute, UNSW Sydney, Sydney, Australia
| | - Timothy R Broady
- Centre for Social Research in Health, UNSW Sydney, Sydney, 2052, Australia
| | | | | | - Cherie Power
- New South Wales Ministry of Health, Sydney, Australia
| | - Heath Paynter
- Australian Federation of AIDS Organisations, Sydney, Australia
| | - John de Wit
- Centre for Social Research in Health, UNSW Sydney, Sydney, 2052, Australia
- Department of Interdisciplinary Social Science, Utrecht University, Utrecht, The Netherlands
| | - Martin Holt
- Centre for Social Research in Health, UNSW Sydney, Sydney, 2052, Australia
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Holt M, Chan C, Broady TR, Mao L, MacGibbon J, Rule J, Wilcock B, Prestage G, Bavinton BR. Adjusting Behavioural Surveillance and Assessing Disparities in the Impact of COVID-19 on Gay and Bisexual Men's HIV-Related Behaviour in Australia. AIDS Behav 2023; 27:518-534. [PMID: 35895148 PMCID: PMC9326145 DOI: 10.1007/s10461-022-03788-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2022] [Indexed: 11/26/2022]
Abstract
COVID-19 has disrupted sexual behaviour and access to health systems. We adapted regular HIV behavioural surveillance of gay and bisexual men (GBM) in Australia in response to COVID-19, assessed the impact on the profile of the sample, the participants' HIV-related behaviour, and whether COVID-19 may have accentuated existing disparities in the Australian HIV epidemic. Data collected from five states during July 2017-June 2021 were included (N = 31,460). The emphasis on online recruitment after COVID-19 led to smaller sample sizes, greater geographic reach, and a higher proportion of bisexual-identifying participants. Most participants (88.1%) reported physical distancing and 52.1% had fewer sex partners due to COVID-19. In the COVID-19-affected rounds (July 2020-June 2021), the number of male partners, recent HIV testing and pre-exposure prophylaxis (PrEP) use all fell, and HIV risk among the smaller group of participants who reported casual sex increased. COVID-related changes were generally more pronounced among GBM aged under 25 years, participants from suburbs with fewer gay residents, and bisexual men. These groups should be prioritised when encouraging GBM to reengage with HIV testing services and effective prevention methods, like condoms and PrEP.
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Affiliation(s)
- Martin Holt
- Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, 2052, Australia.
| | - Curtis Chan
- The Kirby Institute, UNSW Sydney, Sydney, Australia
| | - Timothy R Broady
- Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - Limin Mao
- Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - James MacGibbon
- Centre for Social Research in Health, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - John Rule
- National Association of People with HIV Australia, Sydney, Australia
| | - Ben Wilcock
- Australian Federation of AIDS Organisations, Sydney, Australia
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Chan C, Bavinton BR, Prestage GE, Broady TR, Mao L, Rule J, Wilcock B, Holt M. Changing Levels of Social Engagement with Gay Men Is Associated with HIV Related Outcomes and Behaviors: Trends in Australian Behavioral Surveillance 1998-2020. ARCHIVES OF SEXUAL BEHAVIOR 2022; 51:2509-2521. [PMID: 35672592 PMCID: PMC9293873 DOI: 10.1007/s10508-022-02310-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 02/08/2022] [Accepted: 02/10/2022] [Indexed: 05/30/2023]
Abstract
Changes to how gay, bisexual, and other men who have sex with men (GBM) connect with each other and with their communities have implications for HIV prevention. Social engagement with gay men (defined as having friends who are gay men and spending time with them) has been associated with HIV related outcomes over time among Australian GBM. Using data collected in national, repeated, cross-sectional surveys of GBM between 1998 and 2020 (N = 161,117), analyses of trends in the prevalence of gay social engagement (GSE) in Australia were conducted using linear regression. To assess changing associations with GSE at different time points in the HIV epidemic, three cross-sectional analyses were conducted on factors associated with high and low GSE in 1999/2000, 2009/2010, and 2019/2020 using bivariate and multivariable logistic regression. GSE (scored from 0 to 7) declined among all participants from 4.76 in 1998 to 4.04 in 2020 (p < 0.001) with a steeper decline among GBM aged under 25 years from 4.63 in 1998 to 3.40 in 2020 (p < 0.001). In all timepoints, high GSE was associated with older age, being university educated, full time employment, identifying as gay, recent HIV testing, and PrEP uptake. While mostly associated with protective behaviors, high GSE was also associated with some practices that may put GBM at risk of HIV infection such as drug-enhanced sex and group sex in the most recent timepoint. Changing levels of GSE have implications for health promotion among GBM, particularly how to engage GBM less connected to gay social networks.
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Affiliation(s)
- Curtis Chan
- Kirby Institute, UNSW Sydney, Level 6 Wallace Wurth Building High Street, Kensington, Sydney, NSW, 2052, Australia.
| | - Benjamin R Bavinton
- Kirby Institute, UNSW Sydney, Level 6 Wallace Wurth Building High Street, Kensington, Sydney, NSW, 2052, Australia
| | - Garrett E Prestage
- Kirby Institute, UNSW Sydney, Level 6 Wallace Wurth Building High Street, Kensington, Sydney, NSW, 2052, Australia
| | - Timothy R Broady
- Centre for Social Research in Health, UNSW Sydney, Sydney, Australia
| | - Limin Mao
- Centre for Social Research in Health, UNSW Sydney, Sydney, Australia
| | - John Rule
- National Association of People with HIV Australia, Sydney, Australia
| | - Ben Wilcock
- Australia Federation of AIDS Organisations, Sydney, Australia
| | - Martin Holt
- Centre for Social Research in Health, UNSW Sydney, Sydney, Australia
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Estimation of Potential HIV Transmission Risk in Recent Anal Intercourse Events among Men Who Have Sex with Men and Transgender Women in Bali, Indonesia. Trop Med Infect Dis 2021; 6:tropicalmed6030139. [PMID: 34449742 PMCID: PMC8396300 DOI: 10.3390/tropicalmed6030139] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/07/2021] [Accepted: 07/21/2021] [Indexed: 11/17/2022] Open
Abstract
In recent years, prevalence of Human Immunodeficiency Virus (HIV) has increased substantially in Bali, Indonesia, in men who have sex with men (MSM) and transgender women, known locally as ‘waria’. There are limited behavioural data in this population. We conducted a behavioural survey of MSM/waria in Bali in March–April 2018. Respondents were primarily recruited by HIV outreach workers. Respondents reported details about anal intercourse events with their last male/waria romantic partner and/or last male/waria casual partner (respondents could report on both if relevant). Statistical significance was tested with generalised estimating equations. Among 709 participants, median age was 27 (interquartile range = 24–31), and 92.1% were male and 7.9% were waria. One-third were born in Bali. Overall, 85.9% had ever had an HIV test; 55.1% reported being HIV-negative, 15.0% HIV-positive, and 30.0% had unknown serostatus. Most (86.5%) reported sex with men, 9.5% with waria, and 20.0% with women in the previous 6 months. Respondents described 703 anal intercourse events (397/306 with romantic/casual partners, respectively; 191 reported on both). Over half (56.5%) of the events were protected by condoms and 7.3% by biomedical prevention (2.6% by PrEP in either partner, 4.7% by HIV treatments in either partner). Thus, 36.3% of events involved unprotected condomless anal intercourse (40.8%/30.4% in romantic/casual partners, respectively). In multivariate analysis, unprotected condomless anal intercourse events were associated with romantic partners (p < 0.001), being born in Bali (p = 0.002), lower education (p = 0.013), believing that withdrawal before ejaculation is effective (p < 0.001), liking to use withdrawal (p = 0.021), and not liking condoms (p < 0.001). One-quarter of events had potentially reduced HIV transmission risk through non-condom-based risk reduction strategies, while 11.1% had no potential risk reduction. Events presenting the highest potential risk of HIV transmission were more commonly reported by respondents born in Bali.
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Basten M, den Daas C, Heijne JCM, Boyd A, Davidovich U, Rozhnova G, Kretzschmar M, Matser A. The Rhythm of Risk: Sexual Behaviour, PrEP Use and HIV Risk Perception Between 1999 and 2018 Among Men Who Have Sex with Men in Amsterdam, The Netherlands. AIDS Behav 2021; 25:1800-1809. [PMID: 33269426 PMCID: PMC8081694 DOI: 10.1007/s10461-020-03109-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2020] [Indexed: 11/14/2022]
Abstract
HIV risk perception plays a crucial role in the uptake of preventive strategies. We investigated how risk perception and its determinants changed between 1999 and 2018 in an open, prospective cohort of 1323 HIV-negative men who have sex with men (MSM). Risk perception, defined as the perceived likelihood of acquiring HIV in the past 6 months, changed over time: being relatively lower in 2008–2011, higher in 2012–2016, and again lower in 2017–2018. Irrespective of calendar year, condomless anal intercourse (AI) with casual partners and high numbers of partners were associated with higher risk perception. In 2017–2018, condomless receptive AI with a partner living with HIV was no longer associated with risk perception, while PrEP use and condomless AI with a steady partner were associated with lower risk perception. We showed that risk perception has fluctuated among MSM in the past 20 years. The Undetectable equals Untransmittable statement and PrEP coincided with lower perceived risk.
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Holt M, Broady TR, Mao L, Chan C, Rule J, Ellard J, O'Donnell D, Grulich AE, Prestage G, Bavinton BR. Increasing preexposure prophylaxis use and 'net prevention coverage' in behavioural surveillance of Australian gay and bisexual men. AIDS 2021; 35:835-840. [PMID: 33587442 DOI: 10.1097/qad.0000000000002797] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To assess trends in HIV prevention strategies among Australian gay and bisexual men (GBM) since the introduction of preexposure prophylaxis (PrEP), the level of net prevention coverage (the use of safe strategies), and the characteristics of HIV-negative and untested GBM who remain at risk of HIV. DESIGN Repeated behavioural surveillance of GBM recruited from venues, events and online in seven Australian states and territories. METHODS Participants with casual male partners were included. Trends in sexual practices, prevention strategies, net prevention coverage and the characteristics of 'at risk' participants were assessed with binary and multivariate logistic regression. RESULTS A total of 32 048 survey responses (2014-2019) were included. The proportion of participants who reported consistent condom use declined (44.6-23.2%). The proportion who reported any condomless anal intercourse with casual partners increased (37.4-62.0%) but net prevention coverage also increased (68.1-74.9%), with higher levels of undetectable viral load among HIV-positive participants and rapidly increasing PrEP use by HIV-negative participants. PrEP became the most commonly reported prevention strategy in 2019 (31.1%). The analysis of 'at risk' participants showed that they became more likely to report frequent condomless anal intercourse with casual partners but had fewer partners and more partners with undetectable viral load or on PrEP. 'At risk' participants became more likely to identify as bisexual and to be born overseas. CONCLUSION There has been a rapid, historic shift in HIV prevention among GBM in Australia. Net prevention coverage has increased among GBM and 'at risk' GBM have become less at risk of HIV, facilitating reductions in HIV transmission.
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Affiliation(s)
| | | | - Limin Mao
- Centre for Social Research in Health
| | | | - John Rule
- National Association of People With HIV Australia
| | - Jeanne Ellard
- Australian Federation of AIDS Organisations, Sydney, New South Wales, Australia
| | - Darryl O'Donnell
- The Kirby Institute, UNSW Sydney
- Australian Federation of AIDS Organisations, Sydney, New South Wales, Australia
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Physical Distancing Due to COVID-19 Disrupts Sexual Behaviors Among Gay and Bisexual Men in Australia: Implications for Trends in HIV and Other Sexually Transmissible Infections. J Acquir Immune Defic Syndr 2020; 85:309-315. [PMID: 32740374 DOI: 10.1097/qai.0000000000002462] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
INTRODUCTION In March 2020, Australian state and federal governments introduced physical distancing measures alongside widespread testing to combat COVID-19. These measures may decrease people's sexual contacts and thus reduce the transmission of HIV and other sexually transmissible infections (STIs). We investigated the impact of physical distancing measures due to COVID-19 on the sexual behavior of gay and bisexual men in Australia. METHODS Between April 4, 2020, and April 29, 2020, 940 participants in an ongoing cohort study responded to questions to measure changes in sexual behaviors during the COVID-19 pandemic. Men reported the date they become concerned about COVID-19 and whether they engaged in sexual behavior with regular or casual partners or "fuckbuddies" in the 6 months before becoming concerned about COVID-19 (hereafter referred to as "before COVID-19"), and following the date, they become concerned about COVID-19 (hereafter referred to as "since COVID-19"). Before and since COVID-19 was based on individual participants' own perceived date of becoming concerned about COVID-19. RESULTS The mean age of was 39.9 years (SD: 13.4). Most participants (88.3%) reported sex with other men during the 6 months before COVID-19. Of the 587 men (62.4%) who reported sex with casual partners before COVID-19, 93 (15.8%) continued to do so in the period since COVID-19, representing a relative reduction of 84.2%. CONCLUSION Gay and bisexual men in Australia have dramatically reduced their sexual contacts with other men since COVID-19. These behavioral changes will likely result in short-term reductions in new HIV and STI diagnoses. If sexual health screenings are undertaken before resuming sexual activity, this could present a novel opportunity to interrupt chains of HIV and STI transmission.
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Philpot SP, Bavinton BR, Prestage G, Grierson J, Ellard J, Duncan D. Exploring Diversity in HIV Research in the Sexual Partnerships of Australian Gay and Bisexual Men. ARCHIVES OF SEXUAL BEHAVIOR 2020; 49:2069-2080. [PMID: 31863315 DOI: 10.1007/s10508-019-01540-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Revised: 08/18/2019] [Accepted: 08/22/2019] [Indexed: 06/10/2023]
Abstract
Gay and bisexual men engage in a variety of sexual partnerships, but the most common distinction made in HIV research and behavioral surveillance is a binary between "regular" and "casual" partners. The "regular partner" category is often perceived as pertaining to ongoing coupled "boyfriend" relationships, with the literature to date rarely troubling what actually constitutes a "regular partner." Some emerging literature has identified "fuckbuddy" partnerships as a type of regular partnership requiring attention, but it is relatively new and not well understood. Currently, assumptions of the regular partner category do not capture how men perceive and conduct commitment in different sexual partnerships that could also be considered "regular," and the implications this has for HIV prevention. Drawing on in-depth interviews with a sample of 61 Australian gay-identified men, we explore a diversity of partnership types that represent unique ways of enacting commitment. We identify three sexual partnerships: "fuckbuddies," dating, and serial monogamy, each with specific issues for HIV risk and prevention. These partnerships suggest important differences in the way men conceive of and practice intimacy and sex.
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Affiliation(s)
- Steven P Philpot
- Kirby Institute, University of New South Wales, Wallace Wurth Building, Sydney, NSW, 2052, Australia.
| | - Benjamin R Bavinton
- Kirby Institute, University of New South Wales, Wallace Wurth Building, Sydney, NSW, 2052, Australia
| | - Garrett Prestage
- Kirby Institute, University of New South Wales, Wallace Wurth Building, Sydney, NSW, 2052, Australia
| | - Jeffrey Grierson
- Health, Social Care and Education, Anglia Ruskin University, Cambridge Campus, Cambridge, UK
| | - Jeanne Ellard
- Kirby Institute, University of New South Wales, Wallace Wurth Building, Sydney, NSW, 2052, Australia
| | - Duane Duncan
- Australian Research Centre in Sex, Health and Society, La Trobe University, Bundoora, VIC, Australia
- School of Humanities, Arts and Social Sciences, University of New England, Armidale, NSW, Australia
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Kolstee J, Holt M, Jin J, Hammoud MA, Degenhardt L, Maher L, Lea T, Prestage G. Characteristics of gay and bisexual men who rarely use HIV risk reduction strategies during condomless anal intercourse: Results from the FLUX national online cohort study. PLoS One 2020; 15:e0233922. [PMID: 32479519 PMCID: PMC7263606 DOI: 10.1371/journal.pone.0233922] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 05/14/2020] [Indexed: 11/25/2022] Open
Abstract
Purpose To understand the characteristics of a minority of Australian gay and bisexual men (GBM) who, despite an increase in the number and availability of HIV risk reduction strategies, do not consistently use a strategy to protect themselves from HIV. Methods This analysis is based on data from 2,920 participants in a national, online, prospective observational cohort study. GBM who never or rarely used HIV risk reduction strategies (NRR) were compared with two groups using multivariate logistic regression: i) GBM using pre-exposure prophylaxis (PrEP) and ii) GBM frequently using risk reduction strategies (FRR) other than PrEP. Results Compared to PrEP users, NRR men were younger (p<0.0001), less socially engaged with gay men (p<0.0001) and less likely to have completed a postgraduate (p<0.05) or undergraduate degree (p<0.05). They were also less likely to have recently used amyl nitrite (p<0.05), erectile dysfunction medication (p<0.05) and cocaine (p<0.05) in the previous 6 months. Compared with FRR men, NRR men were less likely to have completed a postgraduate (p<0.0001) or undergraduate degree (p<0.05), scored higher on the sexual sensation-seeking scale (p<0.0001) and were more likely to identify as versatile (p<0.05), a bottom (p<0.05) or very much a bottom (p<0.05) during anal sex. Conclusions NRR men were largely similar to other Australian GBM. However, our analysis suggests it may be appropriate to focus HIV prevention interventions on younger, less socially engaged and less educated GBM, as well as men who prefer receptive anal intercourse to promote the use of effective HIV risk reduction strategies.
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Affiliation(s)
- Johann Kolstee
- Kirby Institute, UNSW Sydney, Kensington, NSW, Australia
- * E-mail:
| | - Martin Holt
- Centre for Social Research in Health, UNSW Sydney, Kensington, NSW, Australia
| | - Jeff Jin
- Kirby Institute, UNSW Sydney, Kensington, NSW, Australia
| | | | - Louisa Degenhardt
- National Drug and Alcohol Research Centre, UNSW Sydney, Kensington, NSW, Australia
| | - Lisa Maher
- Kirby Institute, UNSW Sydney, Kensington, NSW, Australia
- Burnet Institute, Melbourne, Victoria, Australia
| | - Toby Lea
- Centre for Social Research in Health, UNSW Sydney, Kensington, NSW, Australia
- German Institute for Addiction and Prevention Research, Catholic University of Applied Sciences, Cologne, Germany
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13
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Bavinton BR, Prestage GP, Jin F, Phanuphak N, Grinsztejn B, Fairley CK, Baker D, Hoy J, Templeton DJ, Tee BK, Kelleher A, Grulich AE. Strategies used by gay male HIV serodiscordant couples to reduce the risk of HIV transmission from anal intercourse in three countries. J Int AIDS Soc 2020; 22:e25277. [PMID: 30983155 PMCID: PMC6462805 DOI: 10.1002/jia2.25277] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 03/15/2019] [Indexed: 01/31/2023] Open
Abstract
INTRODUCTION There are few data about the range of strategies used to prevent sexual HIV transmission within gay male serodiscordant couples. We examined HIV prevention strategies used by such couples and compared differences between countries. METHODS Opposites Attract was a cohort study of male serodiscordant couples in Australia, Brazil and Thailand, from May 2014 (Australia) or May 2016 (Brazil/Thailand) to December 2016. At visits, HIV-positive partners had viral load (VL) tested; HIV-negative partners reported sexual behaviour and perceptions of their HIV-positive partner's VL results. Within-couple acts of condomless anal intercourse (CLAI) were categorized by strategy: condom-protected, biomedically protected (undetectable VL and/or pre-exposure prophylaxis [PrEP]), or not protected by either (HIV-negative partners engaging in insertive CLAI, receptive CLAI with withdrawal, or receptive CLAI with ejaculation). RESULTS A total of 343 couples were included in this analysis (153 in Australia, 93 in Brazil and 97 in Thailand). Three-quarters of HIV-positive partners were consistently virally suppressed (<200 copies/mL) during follow-up, and HIV-negative partners had correct perceptions of their partner's VL result for 76.5% of tests. One-third of HIV-negative partners used daily PrEP during follow-up. Over follow-up, 73.8% of couples had CLAI. HIV-negative partners reported 31,532 acts of anal intercourse with their HIV-positive partner. Of these, 46.7% were protected by condoms, 48.6% by a biomedical strategy and 4.7% of acts were not protected by these strategies. Australian couples had fewer condom-protected acts and a higher proportion of biomedically protected acts than Brazilian and Thai couples. Of the 1473 CLAI acts where the perceived VL was detectable/unknown and were not protected by PrEP (4.7% of all acts), two-thirds (n = 983) were when the HIV-negative partner was insertive (strategic positioning). Of the 490 acts when the HIV-negative partner was receptive, 261 involved withdrawal and 280 involved ejaculation. Thus, <1% of acts were in the highest risk category of receptive CLAI with ejaculation. CONCLUSIONS Couples used condoms, PrEP or perceived undetectable VL for prevention in the majority of anal intercourse acts. Only a very small proportion of events were not protected by these strategies. Variation between countries may reflect differences in access to HIV treatment, education, knowledge and attitudes.
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Affiliation(s)
| | | | - Fengyi Jin
- The Kirby Institute, UNSW Sydney, Sydney, Australia
| | | | - Beatriz Grinsztejn
- Evandro Chagas Institute of Clinical Research (IPEC), FIOCRUZ, Rio de Janeiro, Brazil
| | - Christopher K Fairley
- Melbourne Sexual Health Centre, Melbourne, Australia.,Monash University, Melbourne, Australia
| | | | - Jennifer Hoy
- Monash University, Melbourne, Australia.,The Alfred Hospital, Melbourne, Australia
| | - David J Templeton
- The Kirby Institute, UNSW Sydney, Sydney, Australia.,RPA Sexual Health, Sydney, Australia
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Vaccher SJ, Hammoud MA, Bourne A, Lea T, Haire BG, Holt M, Saxton P, Mackie B, Badge J, Jin F, Maher L, Prestage G. Prevalence, frequency, and motivations for alkyl nitrite use among gay, bisexual and other men who have sex with men in Australia. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2020; 76:102659. [PMID: 31927224 DOI: 10.1016/j.drugpo.2019.102659] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 12/14/2019] [Accepted: 12/29/2019] [Indexed: 01/20/2023]
Abstract
BACKGROUND AND AIMS Gay, bisexual and other men who have sex with men (GBM) use alkyl nitrites ('poppers') at higher rates than other populations to functionally enhance sexual experiences. Their use has been associated with HIV sexual risk behaviours including receptive anal sex. We investigate the prevalence, frequency, and motivations for poppers use and their relationship with HIV risk. We also discuss the implications of the recent scheduling changes to poppers by the Australian Therapeutic Goods Administration. METHODS Data were drawn from the Following Lives Undergoing Change (Flux) study, a prospective observational study of licit and illicit drug use among GBM. Between 2014 and 2018, 3273 GBM enrolled in the study. In 2018, 1745 GBM provided data relating to frequency of and motivations for poppers use and were included in this analysis. RESULTS Median age was 33 years (IQR 25-46) and 801 GBM (45.9%) had used poppers in the previous six months ('recent use'). Among these men, 195 (24.3%) had used them weekly or more frequently. Most recent users (77.4%) reported using poppers for a 'buzz' during sex or to facilitate receptive anal intercourse (60.8%). The majority (57.7%) of HIV-negative men reporting recent poppers use were concurrently taking HIV pre-exposure prophylaxis. Recent poppers use was independently associated with receptive anal intercourse with casual partners (aOR 1.71; 95%CI 1.35-2.16) and chemsex (aOR 4.32; 95%CI 3.15-5.94). Poppers use was not associated with anxiety, depression, or drug-related harms. Only 15.4% of current users indicated they would stop using poppers if they were criminalised; 65.0% said they would 'find other ways' to obtain them. CONCLUSIONS Poppers are commonly used by Australian GBM to functionally enhance sexual experiences, particularly to facilitate receptive anal intercourse. Few men experienced drug-related harms from poppers use. Regulatory changes must ensure potential harms from popper use are minimised without increasing barriers to access or perpetuating stigma.
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Affiliation(s)
- Stefanie J Vaccher
- The Kirby Institute, UNSW Australia, Level 6, Wallace Wurth Building, UNSW Sydney, Kensington, NSW 2052, Australia.
| | - Mohamed A Hammoud
- The Kirby Institute, UNSW Australia, Level 6, Wallace Wurth Building, UNSW Sydney, Kensington, NSW 2052, Australia.
| | - Adam Bourne
- Australian Research Centre in Sex, Health and Society, La Trobe University, Bundoora, Victoria 3086, Australia.
| | - Toby Lea
- German Institute for Addiction and Prevention Research, Catholic University of Applied Sciences, Konrad-Adenauer-Ufer 79-81, 50668 Cologne, Germany; Centre for Social Research in Health, UNSW Sydney, Kensington, NSW 2052, Australia.
| | - Bridget G Haire
- The Kirby Institute, UNSW Australia, Level 6, Wallace Wurth Building, UNSW Sydney, Kensington, NSW 2052, Australia.
| | - Martin Holt
- Centre for Social Research in Health, UNSW Sydney, Kensington, NSW 2052, Australia.
| | - Peter Saxton
- School of Population Health, University of Auckland, Auckland 1023, New Zealand.
| | - Brent Mackie
- ACON, 414 Elizabeth St, Surry Hills, NSW 2010, Australia.
| | - Joshua Badge
- School of Humanities and Social Sciences, Deakin University, Burwood, Victoria 3125, Australia.
| | - Fengyi Jin
- The Kirby Institute, UNSW Australia, Level 6, Wallace Wurth Building, UNSW Sydney, Kensington, NSW 2052, Australia.
| | - Lisa Maher
- The Kirby Institute, UNSW Australia, Level 6, Wallace Wurth Building, UNSW Sydney, Kensington, NSW 2052, Australia.
| | - Garrett Prestage
- The Kirby Institute, UNSW Australia, Level 6, Wallace Wurth Building, UNSW Sydney, Kensington, NSW 2052, Australia.
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Holt M, Lea T, Bear B, Halliday D, Ellard J, Murphy D, Kolstee J, de Wit J. Trends in Attitudes to and the Use of HIV Pre-exposure Prophylaxis by Australian Gay and Bisexual Men, 2011-2017: Implications for Further Implementation from a Diffusion of Innovations Perspective. AIDS Behav 2019; 23:1939-1950. [PMID: 30539496 DOI: 10.1007/s10461-018-2368-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Using repeated, national, online, cross-sectional surveys of Australian gay and bisexual men (GBM), we analysed trends related to HIV pre-exposure prophylaxis (PrEP). Specifically, we analysed trends in PrEP use, willingness to use PrEP, and concern about using PrEP during 2011-2017. We assessed support for GBM using PrEP and willingness to have sex with men taking PrEP between 2015 and 2017. For time-based analyses, we used multivariate logistic regression, controlling for sampling variations over time. We constructed new scales assessing reduced concern about HIV among PrEP users and non-users in 2017, and used multivariate logistic regression to identify independent correlates of PrEP use (vs. non-use). The analyses included 4567 HIV-negative and untested participants (2011-2017). PrEP use increased from 0.5% in 2011 to 25.5% in 2017 (p < 0.001). Willingness to use PrEP increased from 27.9% in 2011 to 36.5% in 2017 (p < 0.001) while concern about using PrEP fell (52.1-36.1%, p < 0.001). Support for GBM using PrEP remained stable (52.5% in 2015, 51.9% in 2017, p = 0.62), and willingness to have sex with men taking PrEP increased from 34.9% in 2015 to 49.0% in 2017 (p < 0.001). In 2017, 22.8% of non-PrEP-users had reduced HIV concern because of PrEP, while 73.6% of PrEP users had reduced HIV concern and greater sexual pleasure because of PrEP. The analysis of PrEP users vs. non-users in 2017 indicated that PrEP users were more sexually active and reported higher risk sexual practices, were more likely to live in New South Wales and Victoria, and to be in full-time employment. They were also more likely to know HIV-positive people and other PrEP users. Diffusion of Innovations theory suggests that future PrEP users in Australia may be less adventurous and require greater reassurance about PrEP's efficacy and legitimacy, to sustain rollout and address current disparities in uptake.
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Affiliation(s)
- Martin Holt
- Centre for Social Research in Health, UNSW Sydney, Sydney, Australia.
- Centre for Social Research in Health, UNSW Sydney, Level 2, John Goodsell Building, Sydney, NSW, 2052, Australia.
| | - Toby Lea
- Centre for Social Research in Health, UNSW Sydney, Sydney, Australia
- German Institute for Addiction and Prevention Research, Catholic University of Applied Sciences, Cologne, Germany
| | | | - Dale Halliday
- New South Wales Ministry of Health, Sydney, Australia
| | - Jeanne Ellard
- Australian Federation of AIDS Organisations, Sydney, Australia
| | - Dean Murphy
- Centre for Social Research in Health, UNSW Sydney, Sydney, Australia
- Department of Gender and Cultural Studies, University of Sydney, Sydney, Australia
| | | | - John de Wit
- Centre for Social Research in Health, UNSW Sydney, Sydney, Australia
- Department of Interdisciplinary Social Science, Utrecht University, Utrecht, The Netherlands
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Hill AO, Bavinton BR, Armstrong G. Prevalence and correlates of lifetime and recent HIV testing among men who have sex with men (MSM) who use mobile geo-social networking applications in Greater Tokyo. PLoS One 2019; 14:e0209933. [PMID: 30673729 PMCID: PMC6343926 DOI: 10.1371/journal.pone.0209933] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 12/13/2018] [Indexed: 12/18/2022] Open
Abstract
Men who have sex with men (MSM) are disproportionately burdened by the human immunodeficiency virus (HIV), accounting for 78% of all Japanese male HIV cases in 2016. Over 30% of newly identified HIV infections in Japan are diagnosed as AIDS annually, suggesting a large proportion of people living with HIV were unaware of their own infection status. An estimated two-thirds of Japanese men who have sex with men (MSM) are not attached to the gay community, and previous studies have largely sampled gay venues, thus, previous studies have likely failed to reach many men in this population. This study therefore examined HIV testing prevalence and correlates among MSM in Greater Tokyo who use gay mobile geo-social networking applications (gay mobile apps), which have been found to increase access to MSM not traditionally accessible through venue-based surveys. Among a sample of 1657 MSM recruited through advertisements on gay mobile apps, the prevalence of lifetime and six-monthly HIV testing was 72.8% and 29.7% respectively. In multiple regression analysis, higher lifetime HIV testing was associated with older age, education, HIV knowledge, anal intercourse with regular and casual male partners, and gay venue attendance. Testing was negatively associated with regular male partner condom use, marriage, residing outside central Tokyo and having both male and female partners. These results indicated that MSM who use gay mobile apps in Greater Tokyo do not meet the CDC yearly testing recommendations for high risk populations. Considering limited HIV prevention funding in Japan for MSM, moderate lifetime and recent testing, and the large number of gay mobile app users, utilization of popular gay mobile apps to promote nearby HIV testing facilities may be an effective prevention policy to target non-community attached MSM, particularly at-risk youth and individuals at risk of sudden-onset AIDS.
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Affiliation(s)
- Adam O. Hill
- Faculty of Arts, School of Social and Political Sciences, University of Melbourne, Parkville, VIC, Australia
| | | | - Gregory Armstrong
- Nossal Institute for Global Health, Melbourne School of Population and Global Health, University of Melbourne, Parkville, VIC, Australia
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Prevalence and Factors Associated with Inconsistent Condom Use among Men who Have Sex with Men (MSM) who use Mobile Geo-Social Networking Applications in Greater Tokyo. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15122815. [PMID: 30544768 PMCID: PMC6313488 DOI: 10.3390/ijerph15122815] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 11/29/2018] [Accepted: 12/07/2018] [Indexed: 12/26/2022]
Abstract
This study examined the prevalence and factors associated with inconsistent condom use among men who have sex with men (MSM) who use gay mobile geo-social networking applications (gay mobile apps) in Greater Tokyo. Among a sample of 1657 MSM recruited through advertisements on gay mobile apps, inconsistent condom use was reported by over one-third (37%) of participants with regular male partners, 18% with casual male partners, and 20% with female partners. In multiple regression analysis, inconsistent condom use with both regular and casual male partners was more commonly reported among participants without a university education, and among participants reporting lower self-efficacy for safer sex. Inconsistent condom use with casual male partners was more commonly reported among participants living in the central 23 wards of Tokyo. Inconsistent condom use with regular male partners was more commonly reported among participants who identified as a member of the gay community, and who only had male partners. These results indicate that a substantial proportion of Greater Tokyo gay mobile app users use condoms inconsistently, particularly with regular partners, and may be at risk for HIV. This paper provides useful information to help design tailored strategies to reduce inconsistent condom use.
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Philpot SP, Prestage G, Ellard J, Grulich AE, Bavinton BR. How Do Gay Serodiscordant Couples in Sydney, Australia Negotiate Undetectable Viral Load for HIV Prevention? AIDS Behav 2018; 22:3981-3990. [PMID: 30105588 DOI: 10.1007/s10461-018-2247-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Many gay Australian serodiscordant couples are currently relying on an HIV-positive partner's undetectable viral load (UVL) to practice condomless sex. For these couples, preventing HIV is often considered a mutual responsibility, yet they lack a formally endorsed strategy that helps them navigate 'UVL for prevention' (UfP) as a couple. Drawing on interviews with 21 Australian gay men representing 15 serodiscordant couples, we explored 'the couple' within serodiscordant HIV prevention. In learning to rely on UfP, couples were initially apprehensive as they navigated unfamiliar territory, but their concerns faded over time. Confidence in UfP was facilitated by repeated condomless sex without transmission, consistent test results, and being in a couple framed by trust, commitment, and familiarity. Gay male serodiscordant couples should be encouraged to negotiate clear, spoken 'viral load agreements' (VLAs) if they choose to rely on UfP.
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Affiliation(s)
- Steven P Philpot
- Kirby Institute, UNSW Sydney, Wallace Wurth Building, Sydney, NSW, 2052, Australia.
| | - Garrett Prestage
- Kirby Institute, UNSW Sydney, Wallace Wurth Building, Sydney, NSW, 2052, Australia
| | - Jeanne Ellard
- Kirby Institute, UNSW Sydney, Wallace Wurth Building, Sydney, NSW, 2052, Australia
| | - Andrew E Grulich
- Kirby Institute, UNSW Sydney, Wallace Wurth Building, Sydney, NSW, 2052, Australia
| | - Benjamin R Bavinton
- Kirby Institute, UNSW Sydney, Wallace Wurth Building, Sydney, NSW, 2052, Australia
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Community-level changes in condom use and uptake of HIV pre-exposure prophylaxis by gay and bisexual men in Melbourne and Sydney, Australia: results of repeated behavioural surveillance in 2013–17. LANCET HIV 2018; 5:e448-e456. [DOI: 10.1016/s2352-3018(18)30072-9] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 04/04/2018] [Accepted: 04/13/2018] [Indexed: 11/19/2022]
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20
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Prestage G, Hammoud M, Jin F, Degenhardt L, Bourne A, Maher L. Mental health, drug use and sexual risk behavior among gay and bisexual men. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2018; 55:169-179. [PMID: 29429865 DOI: 10.1016/j.drugpo.2018.01.020] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 01/10/2018] [Accepted: 01/26/2018] [Indexed: 11/16/2022]
Abstract
BACKGROUND Compared to the general population, among gay and bisexual men (GBM) prevalence rates of anxiety and depression, and of drug use, are high. OBJECTIVE This paper explores the relationship between mental health, sexual risk behavior, and drug use among Australian GBM. We identify factors associated with indicators of poor mental health. METHODS Between September 2014 and July 2017, 3017 GBM responded to measures of anxiety and depression in an online cohort study of drug use. RESULTS Mean age was 35.3 years (SD 12.8). 17.9% screened positive for current moderate-severe anxiety and 28.3% for moderate-severe depression. The majority (52.2%) reported use of illicit drugs in the previous six months, including 11.2% who had used methamphetamine. One third had high (20.4%) or severe (10.6%) risk levels of alcohol consumption, and 18.3% who were current daily smokers. Most illicit drug use in general was not associated with either anxiety or depression, but men who used cannabis were more likely to show evidence of depression (p = 0.005). Among recent methamphetamine users, 28.0% were assessed as dependent: dependent users were more likely to show evidence of both depression and anxiety than were non-dependent users. High or severe risk drinking was associated with depression and daily tobacco use was associated with both anxiety and depression. Depression and anxiety was associated with: less personal support, viewing oneself as 'feminine', and being less socially engaged with gay men. Sexual risk behavior was not associated with either depression or anxiety. CONCLUSION Prevalence of anxiety and depression was high, as was prevalence of licit and illicit drug use. Substance use was associated with anxiety and depression only when the use was considered problematic or dependent. Social isolation and marginalization are strong drivers of poor mental health, even within this population for whom anxiety and depression are common.
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Affiliation(s)
| | | | - Fengyi Jin
- The Kirby Institute, UNSW Sydney, NSW, Australia.
| | - Louisa Degenhardt
- The National Drug and Alcohol Research Centre, UNSW Sydney, NSW, Australia.
| | - Adam Bourne
- Australian Research Centre in Sex Health and Society, La Trobe University, Melbourne, VIC, Australia.
| | - Lisa Maher
- The Kirby Institute, UNSW Sydney, NSW, Australia.
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