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1.
AIDS Behav ; 26(8): 2813-2824, 2022 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-35194698

RESUMO

This paper reports the results of a randomized controlled trial (RCT) to assess the efficacy of Nexus, a telehealth delivered intervention that combines Couples' HIV counseling and testing (CHTC) with home-based HIV-testing, examining the impact of the intervention on the couples' formation and adherence to safer sexual agreements. Between 2016 and 2018, 424 couples were recruited online from the U.S and randomized to the intervention arm (a telehealth delivered CHTC session with two home HIV-testing kits) or a control arm (two home HIV-testing kits), with study assessments at baseline, 3 and 6 months. Outcomes were the formation and adherence to safer sexual agreements, dyadic discordance in sexual agreements, breakage of sexual agreements, and perceptions of PrEP. Couples in the intervention arm had significantly greater odds of reporting a safer sexual agreement (3 months OR 1.87, p-value 0.005, and 6 months OR 1.84, p-value 0.007), lower odds of reporting discordant sexual agreements at 6 months (OR 0.62, p-value 0.048), and a significantly lower odds of reporting breaking their sexual agreement (3 months OR 0.51, p-value 0.035, and 6 months OR 0.23, p-value 0.000). By 6 months, couples in the intervention arm were less likely to say PrEP was beneficial to one (RRR 0.33, P = 0.000) or both of them (RRR 0.29, P = 0.000) than being beneficial to neither of the partners. The high levels of acceptability and efficacy of the intervention demonstrate strong potential for the scale-up of this efficacious intervention that is delivered through a low-cost telehealth platform.


Assuntos
Infecções por HIV , Telemedicina , Quitinases , Aconselhamento/métodos , Infecções por HIV/diagnóstico , Infecções por HIV/prevenção & controle , Infecções por HIV/psicologia , Humanos , Masculino , Proteínas de Plantas , Parceiros Sexuais/psicologia
2.
AIDS Behav ; 26(7): 2338-2348, 2022 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-35044555

RESUMO

This paper presents data from the Love and Sex in the Time of COVID survey, an online survey with US gay, bisexual and other men who have sex with men. The first round of the Love and Sex in the Time of COVID-19 survey was conducted online from April to May, 2020: the second round was collected November 2020 to January 2021. GBMSM were recruited through advertisements featured on social networking platforms. Analysis examines changes in self-reported measures of sexual behavior (number of sex partners, number of anal sex partners and number of anal sex partners not protected by pre-exposure prophylaxis (PrEP) or condoms) between those with complete data for round one and round two of the surveys (n = 280). While in round one, men reported a moderate willingness to have sex during COVID-19 (3.5 on a scale from 1 to 5), this had reduced significantly to 2.1 by round two. Men reported declines in the number of unprotected anal sex partners since pre-COVID. Perceptions of a longer time until the end of the COVID-19 pandemic were associated with increases in the number of sex partners and UAI partners. The results illustrate some significant declines in sexual behavior among GBMSM as the COVID-19 pandemic progressed. As vaccine programs continue to roll out across the U.S, as lockdowns ease and as we return to some normalcy, it will be important to continue to think critically about ways to re-engage men in HIV prevention.


Assuntos
COVID-19 , Comportamento Sexual , Minorias Sexuais e de Gênero , COVID-19/epidemiologia , COVID-19/prevenção & controle , Controle de Doenças Transmissíveis , Estudos Transversais , Infecções por HIV/prevenção & controle , Homossexualidade Masculina , Humanos , Masculino , Pandemias , Inquéritos e Questionários , Sexo sem Proteção/estatística & dados numéricos
3.
AIDS Behav ; 26(2): 361-374, 2022 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-34331608

RESUMO

Pre-exposure prophylaxis (PrEP) affords an opportunity to significantly reduce the risk of HIV infection among male couples. We used cross-sectional dyadic data from 382 concordant-negative male couples to examine demographic and relationship characteristics associated with current PrEP use, willingness to use PrEP in the future, and perceived ability to adhere to PrEP using Actor-Partner Independence Models. Few partnered men reported currently using PrEP (16.4%) and 57.7% of non-users reported being unlikely to use PrEP in the future. Actor and partner perceptions of PrEP stigma significantly reduced PrEP use and perceptions of willingness to use PrEP or the ability to adhere to PrEP, while perceiving a higher prevalence of HIV among men was associated with significant increases in PrEP use, willingness and perceived ability to adhere. Perceptions that more friends would support PrEP use were also significantly associated with increases in willingness and perceived ability to adhere to PrEP. Dyadic interventions are needed to provide couples the skills to communicate about HIV risk and prevention, and address myths around the protective effect of relationships against HIV acquisition.


Assuntos
Infecções por HIV , Profilaxia Pré-Exposição , Estudos Transversais , Infecções por HIV/prevenção & controle , Conhecimentos, Atitudes e Prática em Saúde , Homossexualidade Masculina , Humanos , Masculino , Aceitação pelo Paciente de Cuidados de Saúde , Parceiros Sexuais
4.
J Interpers Violence ; 37(13-14): NP12174-NP12189, 2022 07.
Artigo em Inglês | MEDLINE | ID: mdl-33678032

RESUMO

Stay at home orders-intended to reduce the spread of COVID-19 by limiting social contact-have forced people to remain in their homes. The additional stressors created by the need to stay home and socially isolate may act as triggers to intimate partner violence (IPV). In this article, we present data from a recent online cross-sectional survey with gay, bisexual and other men who have sex with men (GBMSM) in the United States to illustrate changes in IPV risks that have occurred during the U.S. COVID-19 epidemic. The Love and Sex in the Time of COVID-19 survey was conducted online from April to May 2020. GBMSM were recruited through paid banner advertisements featured on social networking platforms, recruiting a sample size of 696 GBMSM. Analysis considers changes in victimization and perpetration of IPV during the 3 months prior to the survey (March-May 2020) that represents the first 3 months of lockdown during the COVID-19 epidemic. During the period March-May 2020, 12.6% of participants reported experiencing any IPV with higher rates of emotional IPV (10.3%) than sexual (2.2%) or physical (1.8%) IPV. Of those who reported IPV victimization during lockdown, for almost half this was their first time experience: 5.3% reported the IPV they experienced happened for the first time during the past 3 months (0.8% physical, 2.13% sexual, and 3.3% emotional). Reporting of perpetration of IPV during lockdown was lower: only 6% reported perpetrating any IPV, with perpetration rates of 1.5% for physical, 0.5% for sexual, and 5.3% for emotional IPV. Of those who reported perpetration of IPV during lockdown, very small percentages reported that this was the first time they had perpetrated IPV: 0.9% for any IPV (0.2% physical, 0.2% sexual, and 0.6% emotional). The results illustrate an increased need for IPV resources for GBMSM during these times of increased stress and uncertainty, and the need to find models of resource and service delivery that can work inside of social distancing guidelines while protecting the confidentiality and safety of those who are experiencing IPV.


Assuntos
COVID-19 , Violência por Parceiro Íntimo , Minorias Sexuais e de Gênero , Controle de Doenças Transmissíveis , Estudos Transversais , Homossexualidade Masculina , Humanos , Violência por Parceiro Íntimo/psicologia , Masculino , Estados Unidos/epidemiologia
5.
J Assoc Nurses AIDS Care ; 33(4): 406-420, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-34812796

RESUMO

ABSTRACT: Increasing the use of pre-exposure prophylaxis (PrEP) among male couples is critical to the success of the United States' Ending the HIV Epidemic campaign. By leveraging dyadic data from a larger cross-sectional study of male couples, the present analysis examined individual, partner, and relationship characteristics associated with PrEP stigma and perceived efficacy of PrEP. Actor-Partner Independence Models were fit separately for both outcomes. Individual and partner risk behaviors, including substance use, binge drinking, and higher number of condomless casual sex partners, were associated with lower levels of both PrEP stigma and belief in the efficacy of PrEP. Networks that supported PrEP use were associated with decreased PrEP stigma and increased belief in PrEP efficacy. Stigma-informed PrEP interventions for couples should be considered foundational to the success of the United States' Ending the HIV Epidemic campaign.


Assuntos
Fármacos Anti-HIV , Infecções por HIV , Profilaxia Pré-Exposição , Fármacos Anti-HIV/uso terapêutico , Estudos Transversais , Infecções por HIV/tratamento farmacológico , Homossexualidade Masculina , Humanos , Masculino , Comportamento Sexual , Parceiros Sexuais , Estados Unidos/epidemiologia
6.
Vaccines (Basel) ; 9(7)2021 Jul 05.
Artigo em Inglês | MEDLINE | ID: mdl-34358161

RESUMO

This paper presents data from an online sample of U.S gay, bisexual, and other men who have sex with men (GBMSM), to explore the factors associated with three dimensions of vaccine beliefs: perception of the likelihood of a COVID-19 vaccine becoming available, perception of when a COVID-19 vaccine would become available, and the likelihood of taking a COVID-19 vaccine. Data are taken from the Love and Sex in the Time of COVID-19 study, collected from November 2020 to January 2021. A sample of 290 GBMSM is analyzed, modeling three binary outcomes: belief that there will be a COVID-19 vaccine, belief that the COVID-19 vaccine will be available in 6 months, and being very likely to take the COVID-19 vaccine. In contrast to other studies, Black/African Americans and GBMSM living with HIV had higher levels of pandemic optimism and were more likely to be willing to accept a vaccine. Men who perceived a higher prevalence of COVID-19 among their friends and sex partners, and those who had reduced their sex partners, were more likely to be willing to take a COVID-19 vaccine. There remained a small percentage of participants (14%) who did not think the pandemic would end, that there would not be a vaccine and were unlikely to take a vaccine. To reach the levels of vaccination necessary to control the pandemic, it is imperative to understand the characteristics of those experiencing vaccine hesitancy and then tailor public health messages to their unique set of barriers and motivations.

7.
AIDS Behav ; 25(12): 4029-4043, 2021 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-33507455

RESUMO

Partnered gay, bisexual and other men who have sex with men (GBMSM) are less likely to engage in HIV and STI testing. We enrolled 51 male couples from a larger study of home HIV testing to test the feasibility of a dyadic home STI testing intervention delivered via telehealth, consisting of two telehealth sessions delivered via video-chat. In the first session, an interventionist demonstrated the specimen collection kits. In the second session, an interventionist delivered the STI results. Participants reported very high levels of acceptability of the intervention: 92% reported the telehealth calls quality as very good, 99% reported the sample collection instructions were clear, and 96% of respondents returned specimens for collection. 9% of participants tested positive for chlamydia or gonorrhea, and all were linked to care. The intervention has the potential to surmount economic, physical and stigma-related barriers to attending clinics for STI testing, but these results need to be further tested in more diverse samples of male couples.


Assuntos
Infecções por HIV , Minorias Sexuais e de Gênero , Infecções Sexualmente Transmissíveis , Telemedicina , Estudos de Viabilidade , Infecções por HIV/diagnóstico , Infecções por HIV/prevenção & controle , Homossexualidade Masculina , Humanos , Masculino , Infecções Sexualmente Transmissíveis/diagnóstico , Infecções Sexualmente Transmissíveis/prevenção & controle
8.
AIDS Behav ; 25(1): 40-48, 2021 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-32876905

RESUMO

This paper presents data from a recent cross-sectional survey of gay, bisexual and other men who have sex with men (GBMSM) in the US, to understand changes in sexual behavior and access to HIV prevention options (i.e. condoms and pre-exposure prophylaxis (PrEP)) during the COVID-19 lockdown period. The Love and Sex in the Time of COVID-19 survey was conducted online from April to May, 2020. GBMSM were recruited through advertisements featured on social networking platforms, recruiting a sample size of 518 GBMSM. Analysis considers changes three in self-reported measures of sexual behavior: number of sex partners, number of anal sex partners and number of anal sex partners not protected by pre-exposure prophylaxis (PrEP) or condoms. Approximately two-thirds of the sample reported that they believed it was possible to contract COVID-19 through sex, with anal sex reported as the least risky sex act. Men did not generally feel it was important to reduce their number of sex partners during COVID-19, but reported a moderate willingness to have sex during COVID-19. For the period between February and April-May 20,202, participants reported a mean increase of 2.3 sex partners during COVID-19, a mean increase of 2.1 anal sex partners (range - 40 to 70), but a very small increase in the number of unprotected anal sex partners. Increases in sexual behavior during COVID-19 were associated with increases in substance use during the same period. High levels of sexual activity continue to be reported during the COVID-19 lockdown period and these high levels of sexual activity are often paralleled by increases in substance use and binge drinking. There is a clear need to continue to provide comprehensive HIV prevention and care services during COVID-19, and telehealth and other eHealth platforms provide a safe, flexible mechanism for providing services.


Assuntos
Bissexualidade/psicologia , COVID-19/prevenção & controle , Infecções por HIV/tratamento farmacológico , Infecções por HIV/prevenção & controle , Homossexualidade Masculina/psicologia , Profilaxia Pré-Exposição , Comportamento Sexual/psicologia , Adolescente , Adulto , COVID-19/psicologia , Preservativos/estatística & dados numéricos , Estudos Transversais , Infecções por HIV/epidemiologia , Acessibilidade aos Serviços de Saúde , Humanos , Masculino , Pessoa de Meia-Idade , SARS-CoV-2 , Comportamento Sexual/estatística & dados numéricos , Parceiros Sexuais , Minorias Sexuais e de Gênero , Sexo sem Proteção/psicologia , Sexo sem Proteção/estatística & dados numéricos , Adulto Jovem
9.
Am J Mens Health ; 14(5): 1557988320957545, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32938298

RESUMO

While there is evidence of variations in the risk perceptions of COVID-19 and that they are linked to both engagement in health-protective behaviors and poor mental health outcomes, there has been a lack of attention to how individuals perceive the risk of COVID-19 relative to other infectious diseases. This paper examines the relative perceptions of the severity of COVID-19 and HIV among a sample of U.S. gay, bisexual, and other men who have sex with men (GBMSMs). The "Love and Sex in the Time of COVID-19" survey was conducted online from April 2020 to May 2020. GBMSMs were recruited through paid banner advertisements featured on social networking platforms, resulting in a sample size of 696. The analysis considers differences in responses to two scales: the Perceived Severity of HIV Infection and the Perceived Severity of COVID-19 Infection. Participants perceived greater seriousness for HIV infection (mean 46.67, range 17-65) than for COVID-19 infection (mean 38.81, range 13-62). Some items reflecting more proximal impacts of infection (anxiety, loss of sleep, and impact on employment) were similar for HIV and COVID-19. Those aged over 25 and those who perceived higher prevalence of COVID-19 in the United States or their state were more likely to report COVID-19 as more severe than HIV. There is a need to develop nuanced public health messages for GBMSMs that convey the ongoing simultaneous health threats of both HIV and COVID-19.


Assuntos
Infecções por Coronavirus/epidemiologia , Etnicidade/estatística & dados numéricos , Infecções por HIV/epidemiologia , Homossexualidade Masculina/estatística & dados numéricos , Pneumonia Viral/epidemiologia , Assunção de Riscos , Adolescente , Adulto , Idoso , Bissexualidade/estatística & dados numéricos , COVID-19 , Estudos Transversais , Feminino , Humanos , Incidência , Internet , Masculino , Pessoa de Meia-Idade , Pandemias , Medição de Risco , Índice de Gravidade de Doença , Comportamento Sexual , Análise de Sobrevida , Estados Unidos/epidemiologia , Adulto Jovem
10.
AIDS Behav ; 24(5): 1517-1530, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-31760536

RESUMO

Transgender youth have low rates of engagement in HIV prevention, shaped in part by experiences of transphobia and lack of access to culturally competent care. Project Moxie tested the feasibility of an intervention that provides home-based HIV self-testing coupled with video-chat counseling. A diverse sample of 202 binary and nonbinary transgender youth (TY) were recruited online, and randomized 2:1 to receive the intervention or a control condition of only home-based HIV self-testing. TY were willing to order HIV self-testing kits and report their results. Half of those in the intervention arm opted to use the video-chat counseling and, among those who did, levels of satisfaction were high. Project Moxie demonstrates the ability to recruit TY online and provide them with access to home HIV testing. Further work is required to develop online interventions for youth who do not wish to receive counseling through video-chat formats.


Assuntos
Infecções por HIV , Telemedicina , Pessoas Transgênero , Adolescente , Estudos de Viabilidade , Feminino , Identidade de Gênero , Infecções por HIV/diagnóstico , Infecções por HIV/prevenção & controle , Humanos , Masculino , Adulto Jovem
11.
Am J Mens Health ; 12(6): 1824-1834, 2018 11.
Artigo em Inglês | MEDLINE | ID: mdl-30051744

RESUMO

Gay, bisexual, and other men who have sex with men (GBMSM) in the United States remain heavily impacted by HIV. The purpose of this study was to describe intergenerational differences in functional knowledge of HIV prevention strategies, perceived risk, recent condomless anal sex (CAS), and HIV testing behavior. Eight hundred sexually active GBMSM were recruited via Facebook from August to September 2015, and administered a Web-based survey which included 12 multiple-choice questions to elicit data regarding functional knowledge of different HIV prevention approaches (e.g., condom use, pre-exposure prophylaxis post-exposure prophylaxis, treatment as prevention, circumcision). Cumulative logit and multivariable logistic models were formulated to examine birth cohort variations across four analytic outcomes. Younger generations were significantly more knowledgeable, as were GBMSM with higher education. Non-Hispanic non-White GBMSM and those reporting a bisexual/other sexual orientation had lower functional knowledge. Younger generations were equally concerned about contracting HIV as their older counterparts. Perceived risk was significantly higher among non-Hispanic non-White and Hispanic GBMSM, but lower among those with higher education and those in a relationship. Finally, birth cohort variations with respect to engaging in CAS with ≥2 men in the past 3 months and testing for HIV in the past year were not markedly pronounced. Younger GBMSM might be more knowledgeable about HIV prevention strategies compared to their predecessors, but are equally concerned about contracting HIV. Researchers and practitioners should consider intergenerational and other demographic differences while designing multifaceted HIV prevention programs for GBMSM.


Assuntos
Infecções por HIV/prevenção & controle , Conhecimentos, Atitudes e Prática em Saúde , Homossexualidade Masculina/psicologia , Minorias Sexuais e de Gênero/psicologia , Adolescente , Adulto , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Estudos Transversais , Humanos , Masculino , Pessoa de Meia-Idade , Comportamento de Redução do Risco , Sexo Seguro , Inquéritos e Questionários , Estados Unidos
12.
Am J Mens Health ; 12(4): 676-687, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29781331

RESUMO

Men who have sex with men (MSM) may prioritize interpersonal and structural factors, such as LGBTQ-related inequalities, housing instability, financial insecurity, and relationship seeking, over HIV prevention. The aim of this study was to assess how MSM prioritize HIV relative to other factors and the association between HIV prioritization, HIV testing and sexual risk behavior, and perceived risk. Data were collected from a national online survey of MSM in the United States assessing HIV knowledge and prioritization. Participants ranked HIV prevention relative to LGBTQ-related concerns and life issues (e.g., housing, job, relationship). Adjusted regression models were conducted to assess the association of HIV prioritization with HIV testing and condomless anal sex (CAS) and to evaluate associations between perceived risk and HIV risk behavior. Among 516 participants, HIV prevention was ranked significantly higher among MSM reporting recent CAS ( p = .04) and HIV testing within the past ( p = .02); HIV prevention was prioritized higher relative to life issues among MSM reporting last HIV test more than 1 year ago ( p = .02). Perceived HIV risk was significantly associated with higher HIV prioritization relative to LGBTQ concerns ( p = .001) and life issues ( p = .001). Higher HIV perceived risk was associated with lower odds of any CAS ( p < .001) and higher odds of having an HIV test in the past year ( p < .001). In this online study, HIV prioritization was identified as differentially associated with HIV testing, sexual risk behavior, and perceived HIV risk. HIV prevention programs should integrate strategies to address social and structural inequalities based on priority needs of MSM.


Assuntos
Infecções por HIV/prevenção & controle , Homossexualidade Masculina/psicologia , Adolescente , Adulto , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Masculino , Pessoa de Meia-Idade , Medição de Risco , Sexo Seguro , Inquéritos e Questionários , Estados Unidos , Adulto Jovem
13.
Arch Sex Behav ; 47(4): 1221-1230, 2018 05.
Artigo em Inglês | MEDLINE | ID: mdl-28875247

RESUMO

Young gay, bisexual, and other men who have sex with men (MSM) are at elevated risk for HIV infection, highlighting the need to understand the elements of prevention and risk associated with their relationships. We employed a phenomenological approach to explore how young MSM become involved in different romantic and sexual experiences. We analyzed 28 semi-structured interviews conducted with young MSM living in Michigan. Using a phenomenological approach, we analyzed the data using an inductive coding strategy and thematic analysis. Participants defined their romantic and sexual interactions with a limited set of partner classifications (e.g., dating, hooking up, friends-with-benefits), but recognized how these classifications were shifting, sometimes unexpectedly so (e.g., a date turning into a hook up and vice versa). Young MSM described relationships in transition that at times defied available typologies or hybridized elements of multiple partner types at once. Based on our analyses, we underscore the need to acknowledge the fluctuating and contextual nature of young MSM's romantic and sexual experiences. We discuss the relevance of our findings in terms of the developmental period of young adulthood and the implications our findings have HIV prevention efforts among young MSM.


Assuntos
Bissexualidade , Homossexualidade Masculina , Relações Interpessoais , Adulto , Humanos , Entrevistas como Assunto , Masculino , Adulto Jovem
14.
JMIR Res Protoc ; 6(5): e101, 2017 May 30.
Artigo em Inglês | MEDLINE | ID: mdl-28559225

RESUMO

BACKGROUND: HIV prevalence remains high among men who have sex with men (MSM) in the United States, yet the majority of research has focused on MSM as individuals, not as dyads, and has discussed HIV risks primarily in the context of casual sex. Nexus is an online prevention program that combines home-based HIV testing and couples HIV testing and counseling (CHTC). It allows partners in dyadic MSM relationships to receive HIV testing and care in the comfort of their designated residence, via video-based chat. By using video-based technologies (eg, VSee video chat), male couples receive counseling and support from a remote online counselor, while testing for HIV at home. OBJECTIVE: This randomized control trial (RCT) aims to examine the effects of video-based counseling combined with home-based HIV testing on couples' management of HIV risk, formation and adherence to explicit sexual agreements, and sexual risk-taking. METHODS: The research implements a prospective RCT of 400 online-recruited male couples: 200 self-reported concordant-negative couples and 200 self-reported discordant couples. Couples in the control arm will receive one or two home-based HIV self-testing kits and will be asked to report their results via the study's website. Couples in the experimental arm will receive one or two home-based HIV self-testing kits and will conduct these tests together under the facilitation of a remotely located counselor during a prescheduled VSee-based video CHTC session. Study assessments are taken at baseline, as well as at 3- and 6-month follow-up sessions. RESULTS: Project Nexus was launched in April 2016 and is ongoing. To date, 219 eligible couples have been enrolled and randomized. CONCLUSIONS: Combining home-based HIV testing with video-based counseling creates an opportunity to expand CHTC to male couples who (1) live outside metro areas, (2) live in rural areas without access to testing services or LGBTQ resources, or (3) feel that current clinic-based testing is not for them (eg, due to fears of discrimination associated with HIV and/or sexuality). TRIAL REGISTRATION: ClinicalTrials.gov NCT02335138; https://clinicaltrials.gov/ct2/show/NCT02335138 (Archived by WebCite at http://www.webcitation.org/6qHxtNIdW).

15.
JMIR Public Health Surveill ; 3(1): e11, 2017 Mar 06.
Artigo em Inglês | MEDLINE | ID: mdl-28264795

RESUMO

BACKGROUND: Gay, bisexual, and other men who have sex with men (GBMSM) in the United States remain disproportionately affected by human immunodeficiency virus (HIV). Yet their testing frequency is suboptimal and condomless anal sex (CAS) is increasing. Behavioral theories posit that information about HIV is a pivotal construct in individual risk reduction. However, measurements of knowledge have traditionally focused on ever hearing about HIV and being aware of the most common routes of spread. OBJECTIVE: Using a national Web-based sample of sexually active GBMSM, we sought to (1) quantify levels of detailed knowledge about HIV epidemiology and transmission dynamics, (2) describe variations in detailed knowledge levels across demographic strata, and (3) evaluate potential associations of increasing levels of detailed knowledge with HIV testing in the past year and engaging in CAS with a male partner in the past 3 months. METHODS: GBMSM were recruited through a social networking website (Facebook) from August to September 2015 and asked 17 knowledge-based questions pertaining to the following 2 domains using a Web-based survey: HIV epidemiology (9 questions including statistics on incidence, prevalence, and distribution) and HIV transmission dynamics (8 questions including modes of spread and per-act transmission probabilities). Ordinal domain-specific indices of detailed knowledge were created for each respondent by summing their number of correct responses. Separate cumulative logit models were used to identify factors independently associated with each index, and multivariable logistic regression models were used to characterize associations with HIV testing history and recently engaging in CAS. RESULTS: Of the 1064 participants in our study, only half (49.62%, 528/1064) had been tested for HIV in the past year, and almost half (47.84%, 509/1064) had engaged in CAS with a male partner in the past 3 months. Majority scored 3 of 9 epidemiology questions correct (26.88%, 286/1064) and 5 of 8 transmission dynamics questions correct (25.00%, 266/1064). Participants younger than 35 years, of non-Hispanic non-white or Hispanic race and ethnicity, with lower educational levels, and who reported a sexual orientation other than homosexual or gay were significantly less knowledgeable about HIV transmission dynamics. Increasing levels of knowledge about this domain were independently associated with testing in the past year (adjusted odds ratio for each additional correct response: 1.10, 95% CI 1.01-1.20) but not with recent CAS. Increasing knowledge about HIV epidemiology was not associated with either outcome. CONCLUSIONS: Increasing detailed knowledge about HIV epidemiology might not be as important as educating sexually active GBMSM regarding transmission dynamics. Researchers and practitioners designing prevention messages targeting GBMSM should bear in mind that not all knowledge is equal and that some aspects might have a greater positive impact than others. Future research to identify influential content and contemporary modes of delivery is needed.

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