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Characteristics and Risk Behaviors of Men Who Have Sex with Men and Women Compared to Men Who Have Sex with Men – 20 U.S. Cities, 2011 and 2014Shadaker, Shaun 09 August 2016 (has links)
Background: Men who have sex with men (MSM) are heterogeneous with respect to sexual behavior. We examined differences in sexual risk behaviors and HIV protective behaviors between men who have sex with men and women (MSMW) and men who have sex with men only (MSMO). Among MSMW, we also examined associations between partner gender and disclosure of same-sex attraction to sexual risk behaviors.
Methods: Data for this analysis were from MSM who participated in National HIV Behavioral Surveillance (NHBS) in 2011 and 2014. Prevalence differences comparing MSMW and MSMO were calculated for demographics and behaviors. Adjusted prevalence ratios comparing MSMW to MSMO were calculated for the outcomes condomless sex, exchange sex, testing for HIV, and disclosure of same-sex behavior.
Results: MSMW were less likely than MSMO to have condomless sex with male partners (aPR 0.77; 95%CI 0.73-0.80), to have been diagnosed with another STD (aPR 0.83; 95%CI 0.73-0.95), and to disclose their same-sex behavior to healthcare providers (aPR 0.72; 95%CI 0.69-0.76). However, MSMW were more likely than MSMO to engage in exchange sex (aPR 2.43; 95%CI 2.17-2.72) and to have ever injected drugs (aPR 2.00; 95%CI 1.76-2.28)
Conclusions: MSMW have distinctive sexual risk behaviors and could benefit from tailored interventions to reduce the prevalence of HIV in this population.
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Factors Influencing Sexual Behavior Among HIV Positive Men Who Have Sex With MenMcDonough, Noreen 01 October 2012 (has links)
Men who have sex with men (MSM) are disproportionately affected by HIV infection and account for more than half of all new HIV infections diagnosed in the U. S. The purpose of this study was to explore factors that influence sexual behavior among sexually active HIV positive MSM using constructs from the health belief model (HBM).
A cross-sectional, correlational study was conducted with a non-randomized sample of 216 HIV positive MSM. Participants were predominantly Black/African American (85.6%). The mean age of the sample was 43.02 years (SD = 9.74) and ages ranged from 19 to 66. More than 90% reported a high school educational level or greater; and nearly half (47.2%) had been diagnosed with HIV for more than 10 years.
The overall model predicted that participants who had perceived less severity of living with HIV and who had a positive attitude toward condom use were more likely to practice safer sex, accounting for 24% of the variance in sexual behavior (p < .001). When controlling for demographic characteristics (age, number of years diagnosed as HIV positive, number of recent sexual partners, and current antiretroviral medication use), the overall model accounted for 41% of the variance (p < .001). Participants who had a fewer number of recent sex partners and who had a positive attitude toward condom use were more likely to practice safer sex. Additionally, those who practiced safer sex (n = 58, 27%) reported significantly higher levels of perceived severity of living with HIV (p = .037), perceived benefits of safe sex (p = .018), perceived barriers to safe sex (p < .001), and self-efficacy for negotiating safe sex (p = .013) compared to those who did not practice safer sex (n = 157, 73%).
Results from the study indicated there was a high prevalence of unsafe sexual practices among the participants. These findings support the need for additional research to explore factors that influence sexual behavior among HIV positive MSM with an emphasis on testing interventions that support safe sex practices.
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Understanding the mucosal fluid proteome in rectal susceptibility to HIV infectionRomas, Laura 30 June 2014 (has links)
Objective: The rectal mucosa is highly susceptible to HIV infection. Mucosal fluid contains soluble immune proteins that influence HIV infection, and previous studies have shown unique mucosal protein expression in HIV-exposed seronegative (HESN) populations, which may contribute to reduced HIV susceptibility. However, the key correlates of susceptibility at the rectal mucosa have not been well defined, which is a critical knowledge gap for our understanding of HIV pathogenesis. Methods: Rectal lavage from low risk men was screened for HIV-neutralizing activity in a TZM-bl reporter cell line against an R5-tropic HIV virus. Label-free tandem mass spectrometry was used to characterize soluble proteins within rectal lavage samples from a low-risk cohort of men (n=15), and HESN men who have sex with men (MSM; n=25). Protein expression between populations was compared using adjusted t tests (p<0.05), and was interpreted using hierarchical clustering and DAVID biofunctional analysis. Protein expression was further analyzed using survey data on sexual behaviours. Proteins associated with the HESN population were screened for antiviral activity in TZM-bl and PBMC culture against an R5- and X4-tropic virus. Major Results: Rectal mucosal fluid was able to inhibit HIV infection in vitro by 40% (p<0.05). Mass spectrometry identified 30/341 (9%) proteins deferentially expressed (DE) in HESN MSM. DE proteins held functions in immunity (p=6.68x10-6, p=0.001) and epithelial barrier development (p=1.81x10-4; p=0.01); notably, specific antiproteases were elevated in HESN secretions, two of which were screened for antiviral activity. Serpin B4 (+2.52 L2FD; p=1.09x10-5), showed significant inhibition of HIV in TZM-bl (45% BaL, 34% IIIB; p<0.05) and PBMC culture (37% BaL, 49% IIIB; p<0.05); cystatin A (+1.52 L2FD; p=1.40x10-3) showed no inhibitory effects. Serpin B4 expression was not associated with frequency of oral intercourse (p=0.32), partner viral load (r=0.16; p=0.29) or presence of HIV neutralizing IgA in secretions (p=0.52). Conclusions: This thesis reports the use of proteomics to understand HIV-susceptibility at the rectal mucosa, and identified serpin B4 as a novel antiviral immune correlate in a population of HESN MSM. These results may help guide future studies of prevention technologies, such as microbicides or vaccines, which would ultimately help limit the spread of HIV. / February 2016
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Potential barriers and facilitators to future HIV vaccine acceptability and uptake among marginalised communities in Karnataka, south India: perspectives of frontline health service providersMcClarty, Leigh Michelle 15 August 2013 (has links)
HIV in Karnataka, south India disproportionately burdens female sex workers (FSWs) and men who have sex with men (MSM). The best long-term strategy for managing the global HIV epidemic might involve a preventive vaccine; however, vaccine availability cannot guarantee its acceptability. An exploratory, cross-sectional study was conducted among frontline health service providers (HSPs) working with MSM/FSWs in relation to HIV-related health services in Karnataka. Face-to-face structured interviews were performed to better understand potential barriers/facilitators to acceptability/uptake of a future HIV vaccine among MSM/FSW communities. Descriptive analyses explored HSPs’ perceptions of vaccine acceptability/uptake and likelihood to recommend an HIV vaccine. Although HSPs mentioned numerous potential barriers to future HIV vaccine acceptability/uptake, most believed that MSM/FSWs would be willing to receive the vaccine to protect their health and avoid HIV. HSPs reported being very likely to recommend the vaccine, however young age of potential vaccine recipients negatively affected likelihood to recommend.
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Potential barriers and facilitators to future HIV vaccine acceptability and uptake among marginalised communities in Karnataka, south India: perspectives of frontline health service providersMcClarty, Leigh Michelle 15 August 2013 (has links)
HIV in Karnataka, south India disproportionately burdens female sex workers (FSWs) and men who have sex with men (MSM). The best long-term strategy for managing the global HIV epidemic might involve a preventive vaccine; however, vaccine availability cannot guarantee its acceptability. An exploratory, cross-sectional study was conducted among frontline health service providers (HSPs) working with MSM/FSWs in relation to HIV-related health services in Karnataka. Face-to-face structured interviews were performed to better understand potential barriers/facilitators to acceptability/uptake of a future HIV vaccine among MSM/FSW communities. Descriptive analyses explored HSPs’ perceptions of vaccine acceptability/uptake and likelihood to recommend an HIV vaccine. Although HSPs mentioned numerous potential barriers to future HIV vaccine acceptability/uptake, most believed that MSM/FSWs would be willing to receive the vaccine to protect their health and avoid HIV. HSPs reported being very likely to recommend the vaccine, however young age of potential vaccine recipients negatively affected likelihood to recommend.
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Traditional and Web-Based Technologies to Improve Partner Notification Following Syphilis Diagnosis Among Men Who Have Sex With Men in Lima, Peru: Pilot Randomized Controlled TrialClark, Jesse L, Segura, Eddy R, Oldenburg, Catherine E, Salvatierra, Hector J, Rios, Jessica, Perez-Brumer, Amaya Gabriela, Gonzales, Pedro, Sheoran, Bhupendra, Sanchez, Jorge, Lama, Javier R 07 1900 (has links)
Background: Patient-initiated partner notification (PN) following the diagnosis of a sexually transmitted infection is a critical component of disease control in men who have sex with men (MSM) sexual networks. Both printed and internet-based technologies offer potential tools to enhance traditional partner notification approaches among MSM in resource-limited settings. Objective: This randomized controlled trial aimed to evaluate the effect of 2 different PN technologies on notification outcomes following syphilis diagnosis among MSM in Peru: A Web-based notification system and patient-delivered partner referral cards. Methods: During 2012-2014, we screened 1625 MSM from Lima, Peru, for syphilis infection and enrolled 370 MSM with symptomatic primary or secondary syphilis (n=58) or asymptomatic latent syphilis diagnosed by serology (rapid plasma reagin, RPR, and Microhemagglutination assay for Treponema pallidum antibody; n=312). Prior to enrollment, potential participants used a computer-based self-interviewing system to enumerate their recent sexual partnerships and provide details of their 3 most recent partners. Eligible participants were randomly assigned to one of 4 intervention arms: (1) counseling and patient-initiated Web-based PN (n=95), (2) counseling with Web-based partner notification and partner referral cards (n=84), (3) counseling and partner referral cards (n=97), and (4) simple partner notification counseling (control; n=94). Self-reported partner notification was assessed after 14 days among 354 participants who returned for the follow-up assessment. Results: The median age of enrolled participants was 27 (interquartile range, IQR 23-34) years, with a median of 2 partners (IQR 1-5) reported in the past month. Compared with those who received only counseling (arm 4), MSM provided with access to Web-based partner notification (arms 1 and 2) or printed partner referral cards (arms 2 and 3) were more likely to have notified one or more of their sexual partners (odds ratio, OR, 2.18, 95% CI 1.30-3.66; P=.003 and OR 1.68, 95% CI 1.01-2.79; P=.045, respectively). The proportion of partners notified was also higher in both Web-based partner notification (241/421, 57.2%; P<.001) and referral card (240/467, 51.4%; P=.006) arms than in the control arm (82/232, 35.3%). Conclusions: Both new Web-based technologies and traditional printed materials support patient-directed notification and improve self-reported outcomes among MSM with syphilis. Additional research is needed to refine the use of these partner notification tools in specific partnership contexts. / Revisión por pares / Revisión por pares
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Key vulnerabilities to HIV among men who have sex with men in GhanaSegal, Tami 05 November 2016 (has links)
In Ghana, prevalence of HIV among MSM is significantly higher than that of the general population. Substance use and transactional sex in the urban settings of Ghana have been identified as risk behaviors that exacerbate chances of transmission for this vulnerable group. This thesis draws upon the findings of two companion studies that were conducted in Kumasi, Ghana by Boston University researchers in 2012. The objectives of the studies were to gain a deeper understanding of the behaviors and attitudes regarding substance use and transactional sex among younger and older MSM in Kumasi, Ghana. In the first study 99 MSM between the ages of 15 to 29 years old participated, of whom 55 attended focus group discussions (FGDs) and 44 participated in in-depth interviews (IDIs). In the second study 44 participants aged 30 years or older participated including 20 in IDIs and 24 in FGDs. Condom use was found to be inconsistent across all ages and most commonly attributed to reduced caution while drinking alcohol. Transactional sex was high among both young and older MSM, but younger MSM were more likely to be on the ‘receiving’ end of the transaction with the older men providing money and gifts. For both groups the internet was identified as a key method to contact prospective sexual partners suggesting the need to include social media in future HIV prevention interventions.
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Uso do Ãlccol e outras drogas entre homens que fazem sexo com homens em trÃs centros urbanos do estado do Cearà / Use of the Ãlccol and another drugs between men that do sex with men in three urban centers of the state of the CearÃJoÃo Marcos de Meneses e Silva 20 September 2005 (has links)
CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior / Na populaÃÃo de homens que fazem sexo com outros homens âHSH a relaÃÃo do consumo de Ãlcool como fator de risco para comportamentos sexuais tem relaÃÃo direta à transmissÃo e conseqÃente mortalidade pelo HIV, principalmente quando associada a mÃltiplos parceiros. VÃrias evidÃncias sugerem que os usuÃrios de drogas tÃm um importante papel no recente crescimento da incidÃncia de HIV e DST entre a populaÃÃo de HSH nos Estados Unidos, principalmente, entre os jovens. No estado do CearÃ, no Nordeste do Brasil, a ocorrÃncia de casos de AIDS entre usuÃrios de drogas injetÃveis à pouco expressiva, destacando-se os casos entre homo/ bissexuais masculinos. Os estudos jà realizados mostraram que o percentual de HSH em risco tem variado de forma importante, com variÃveis ainda desconhecidas ou pouco compreendidas. O conceito de âbeber se embriagandoâ traz uma sÃrie de questionamentos sobre a incidÃncia de comportamentos de risco nesse padrÃo de consumo. à definido como aquele bebedor que ingere uma grande quantidade de Ãlcool por vez (cinco ou mais doses) ficando embriagado, mas que nÃo se encontra nos critÃrios para o abuso do Ãlcool ou dependÃncia. No presente estudo, a incidÃncia destes bebedores foi de 63% dos HSH entrevistados e nÃo se observou o comportamento de risco (sexo anal desprotegido) em maior proporÃÃo entre os bebedores do que naqueles nÃo bebedores. TambÃm se observou que o consumo crescente de Ãlcool leva a um aumento do uso concomitante de outras drogas, sejam lÃcitas ou ilÃcitas. O Ãlcool atuaria como uma porta de entrada â gateway - para o consumo de outras drogas e para outros possÃveis comportamentos de risco, como o sexual.
O percentual de homens consumindo cinco ou mais doses mostrou-se muito acima dos padrÃes encontrados em estudos americanos. Os indivÃduos que referiram receber dinheiro em troca de sexo foram mais freqÃentemente classificados como bebedores que se embriagam. AlÃm disto, entre aqueles de classe sÃcio-econÃmicas mais baixas (classe âDâ e âEâ) a troca de sexo por dinheiro, favores ou presentes foi significativamente mais elevada. Os encontros sexuais aos quais estas subpopulaÃÃes estÃo sujeita sÃo freqÃentemente acompanhados pelo consumo elevado do Ãlcool. A bebida alcoÃlica tem sido referida por esta populaÃÃo como uma das mediadoras deste tipo de relacionamento. Outro aspecto importante à o fato de que estas relaÃÃes costumam se iniciar em ambientes onde ocorre venda de bebidas. Verificou-se, ainda, neste estudo, que 90% dos que referiram ter feito teste para HIV no Ãltimo ano eram bebedores que se embriagavam. à possÃvel que a realizaÃÃo do teste anti-HIV, em tal populaÃÃo, seja mais freqÃente quanto maior seja sua percepÃÃo do risco associada ao seu comportamento sexual. Isto levaria estes indivÃduos a se preocuparem mais com seu estato sorolÃgico e, conseqÃentemente, realizarem o teste. Quanto à incidÃncia de bebedores que se embriagam em relaÃÃo à idade, observou-se que hà um aumento com a faixa etÃria, atà 55 anos, idade mÃxima investigada. Em outras populaÃÃes estudadas, tende-se a observar uma queda na prevalÃncia destes bebedores, principalmente entre indivÃduos mais velhos (acima de 60 anos). Esta populaÃÃo especÃfica poderia, por demorar mais tempo para assumir sua orientaÃÃo, ter este padrÃo diferenciado, dado que ao assumi-la, passa a procurar seus parceiros num ambiente que favorece o consumo do Ãlcool. Um aprofundamento desta questÃo faz-se necessÃrio nesta populaÃÃo. Um aprofundamento dessas questÃes se faz necessÃrio, sendo objeto de estudo para futuras pesquisas. / Background: Binge drinking has been associated with risk behavior in the population of men who have sex with men (MSM). No previous studies have been conducted in Brazil in this population.
Methods: This is a cross-sectional study where men reporting oral or anal sex with other men in the past six months were interviewed. The subjects were from Fortaleza (400), Sobral (100) and from the Cariri area â Juazeiro to Norte, Barbalha or Crato (100). Univariate and multivariate analyses have been carried out to evaluate risk factors associated with binge drinking.
Results: 63% of the MSM participants were classified as binge drinkers, a percentage much higher than the one observed in American studies. It has been shown that the increasing consumption of alcohol leads to an increase in the simultaneous use of other licit or illicit drugs. The predictors connected with binge drinking are: age, 21-30 vs. <21 years old (OR: 1,5; 95%CI: 1,1-2,9); >30 vs.<21 years old (OR: 1.6; 95%CI: 1.2 â 2.3); civil status, being single/separated/divorced vs. being married/together (OR: 3.0; 95%CI: 1.7-5.3); race, being black vs. white (OR: 5.9; 95%CI: 1.7-20.1); being mixed vs. white (OR: 1.8; 95% CI: 1.3-2.6); getting paid for sex (OR: 2.0; 95%CI: 1.4-3.0); having had an HIV test (OR: 1.7; 95% CI: 1.3-2.2); family disapproval of MSM (OR: 1.4; 95%CI: 1.1-1.9); using vs. not using any drug (OR: 2.3; 95%CI: 1.8-29). The findings of this study show the importance of alcohol abuse as a public health problem in this specific population and the need for prevention measures. The relationship between reported binge drinking and risky sex is anomalous and requires further exploration.
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High-Risk, but Hidden: Binge Drinking among Men Who Have Sex with Men and Transgender Women in Lima, Peru, 2012-2014Passaro, R.C., Passaro, R. Colby, Segura, Eddy R., Lama, Javier R., Sanchez, Jorge, Lake, Jordan E., Shoptaw, Steven, Clark, Jesse L. 03 February 2020 (has links)
Background: Binge drinking (BD) is common in Peru, but may not be routinely detected by standard assessments of hazardous drinking. Objectives: We describe prevalence and risk behaviors of men who have sex with men (MSM) and transgender women (TW) in Peru who met criteria for BD as compared with those who met criteria for hazardous drinking. Methods: In a cross-sectional sample of MSM and TW from Lima (2012-2014), we calculated prevalence of BD (consuming ≥6 alcoholic drinks per occasion by AUDIT-3 criteria), conducted bivariate analyses of associations of BD with demographic and behavioral characteristics, and compared prevalence and behaviors of BD to those of hazardous drinkers (identified by AUDIT-10 criteria). Results: Of 1,520 MSM (n = 1,384) and TW (n = 137) with median age 27 years, 74.4% of MSM and 86.9% of TW met criteria for BD. Among MSM, BD was associated with a greater likelihood of using alcohol (41.6% vs. 13.8%; p <.01) or drugs (7.8% vs. 2.8%; p <.01) prior to a recent sexual contact. Among TW, BD was associated with greater frequency of alcohol use (44.9% vs. 11.1%; p <.01) or unprotected anal intercourse (58.8% vs. 33.3%; p =.04) during ≥1 of their three most recent sexual contacts. There was a higher prevalence of BD (75.5%) than hazardous drinking (53.2%) in our sample, with binge drinkers exhibiting similar sexual risk behaviors to hazardous drinkers. Conclusions: Binge drinking is common among MSM and TW in Lima, associated with risky sexual behavior, and may not be adequately captured by AUDIT-10 criteria. / Revisión por pares
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Negative Associations between General Self-Efficacy and Anxiety/Depression among Newly HIV-Diagnosed Men Who Have Sex with Men in Beijing, ChinaWang, Naveen, Wang, Suhua, Qian, Han-Zhu, Ruan, Yuhan, Amico, K. Rivet, Vermund, Sten H., Qiu, Xiaoqiang, Zheng, Shimin 22 November 2018 (has links)
To evaluate the association between general self-efficacy and depression/anxiety among newly HIV-diagnosed Chinese men who have sex with men (MSM) in Beijing, our study evaluated the baseline survey data of MSM taking part in a clinical trial among Chinese MSM in Beijing. The baseline survey of the trial was conducted between March 2013 and March 2014. General self-efficacy and depression/anxiety were measured using standard scales. Logistic regression and cumulative logistic regression were used to evaluate the associations between general self-efficacy and depression/anxiety. A total of 367 newly HIV-diagnosed Chinese MSM in Beijing were recruited. There were negative associations between general self-efficacy and depression/anxiety among the study population. As general self-efficacy increased by one unit, the odds of “likely” or “borderline” depression versus normal, or “likely” depression versus “borderline” depression or normal decreased by 12% [adjusted odds ratio (AOR): 0.88, 95% confidence interval (CI): 0.85–0.92] after adjusting for potential confounders. Similarly, general self-efficacy was negatively associated with anxiety (AOR: 0.89, 95% CI: 0.86–0.93). A higher level of general self-efficacy was associated with lower levels of depression and anxiety among newly HIV-diagnosed Chinese MSM. Interventions promoting overall health and wellness should address self-efficacy, depression and anxiety.
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