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1.
Sex Health ; 18(6): 487-497, 2022 01.
Artigo em Inglês | MEDLINE | ID: mdl-34844666

RESUMO

Background Gay, bisexual, and other men who have sex with men (GBM) who engage in transactional sex (sex in exchange for drugs, money, or goods) experience increased risk of sexually transmitted infections (STI), including HIV. This study explored additional psychosocial and health-related factors associated with transactional sex among GBM. Methods Respondent-driven sampling was used to recruit GBM in Vancouver, Canada, from 2012 to 2015, with follow up every 6months until July2019. We examined factors associated with transactional sex using multivariable three-level mixed-effects modelling. Results Among 698 GBM, 22.1% reported ever receiving drugs, money, or goods for sex. Transactional sex was more likely to be reported by GBM who were younger (<30years) and who had lower incomes, less education, and insecure housing. GBM reporting transactional sex were more likely to report substance use (i.e. crystal methamphetamine, poppers, GHB, and non-steroid injection drugs) and higher risk sexual behaviours (i.e. more sex partners, sex party attendance, and condomless anal sex with serodifferent or unknown HIV status partners); however, they were no more likely to be living with HIV or to report a recent bacterial STI diagnosis. GBM who reported higher loneliness, anxiety, and cognitive escape were also more likely to report transactional sex. Conclusions More than one-fifth of GBM in Vancouver reported transactional sex and those who did were more likely to also experience psychosocial stressors, increased substance use, and higher risk sexual behaviours. Programs which consider the interconnections of personal, social, and structural challenges faced by GBM engaging in transactional sex are necessary to support improved mental, physical, and sexual health for these men.


Assuntos
Infecções por HIV , Minorias Sexuais e de Gênero , Canadá , Infecções por HIV/epidemiologia , Homossexualidade Masculina , Humanos , Masculino , Comportamento Sexual , Parceiros Sexuais
2.
AIDS Behav ; 25(8): 2630-2643, 2021 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-33751314

RESUMO

We examined temporal trends and factors associated with reporting partner's serostatus and viral load among a sample of gay, bisexual and other men who have sex with men (gbMSM) in Vancouver, Canada. Participants were recruited using respondent-driven sampling and we collected prospective cohort data from 09/2014 to 02/2017 using a computer-assisted questionnaire and nurse-administered STI/HIV testing. Our study included 481 participants reporting on 3780 sexual events. Among HIV-negative/unknown gbMSM we found a trend towards decreased proportions of sexual events reporting an unknown HIV-status partner (42-19%; p = < 0.001) and found increased proportions among gbMSM living with HIV (11-27%; p = 0.043). More participants living with HIV reported sex with undetectable partners, compared to HIV-negative/unknown participants (14.8% versus 5%). Our multivariable model found that compared with unknown status partners, undetectable partners were older, were from longer sexual relationships and were more likely to engage in condomless anal sex. Findings indicate that HIV-negative gbMSM seem more aware of the serostatus of their partners over time, but knowledge of partners' viral load over time was not significant. Further research should assess the degree to which new campaigns such as Undetectable = Untransmittable (U = U) are associated with discussions about HIV disclosure and viral load status.


Assuntos
Infecções por HIV , Minorias Sexuais e de Gênero , Canadá , Revelação , Infecções por HIV/epidemiologia , Homossexualidade Masculina , Humanos , Masculino , Estudos Prospectivos , Comportamento Sexual , Parceiros Sexuais
3.
J Bisex ; 21(3): 405-423, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-35935471

RESUMO

Men Who Have Sex with Men and Women (MSMW) experience discrimination from same-sex and heterosexual communities partially because of perceptions they feature high-risk sexual behavior, elevated polysubstance use levels, and constitute an HIV bridge population. We used a longitudinal multivariate generalized linear mixed model comparing sexual risk and substance use patterns for Men Who Have Sex with Men Only (MSMO) with MSMW in the same cohort study. Data consisted of 771 men reporting 3,705 sexual partnerships from 2012-2017. For high-risk sexual behavior multivariate results showed non-significant (p>0.05) differences for partner number and commercial sex work, and significantly less (p<0.05) HIV prevalence and condomless anal sex. However, MSMW had significantly higher levels of hallucinogen and prescription opioid use, and substance treatment histories. Only one HIV-positive MSMW had a transmittable viral load, negating the concept of an HIV bridge population. Results indicate the need for additional longitudinal studies comparing MSMO and MSMW.

4.
Am J Epidemiol ; 189(1): 44-54, 2020 01 31.
Artigo em Inglês | MEDLINE | ID: mdl-31612213

RESUMO

Using cross-sectional survey data (Engage, 2017-2018) from 1,137 men who have sex with men, ≥16 years old, in Montreal, we compared observed human immunodeficiency virus (HIV) seroconcordance in previous-6-months' sexual partnerships with what would have been observed by chance if zero individuals serosorted. Of 5 recent partnerships where both individuals were HIV-negative, we compared observed concordance in preexposure prophylaxis (PrEP) use with the counterfactual if zero individuals selected partners based on PrEP use. We estimated the concordance by chance using a balancing-partnerships approach assuming proportionate mixing. HIV-positive respondents had a higher proportion of HIV-positive partners (66.4%, 95% confidence interval (CI): 64.0, 68.6) than by chance (23.9%, 95% CI: 23.1, 24.7). HIV-negative respondents (both on and not on PrEP) had higher proportions of HIV-negative partners (82.9% (95% CI: 81.1, 84.7) and 90.7% (95% CI: 89.6, 91.7), respectively) compared with by chance (76.1%, 95% CI: 75.3, 76.9); however, those on PrEP had a higher proportion of HIV-positive partners than those not on PrEP (17.1% (95% CI: 15.3, 18.9) vs. 9.3% (95% CI: 8.3, 10.4). Those on PrEP also had a higher proportion of partners on PrEP among their HIV-negative partners (50.6%, 95% CI: 42.5, 58.8) than by chance (28.5%, 95% CI: 27.5, 29.4). The relationship between PrEP and sexual-mixing patterns demonstrated by less population-level serosorting among those on PrEP and PrEP-matching warrants consideration during PrEP roll-out.


Assuntos
Infecções por HIV/prevenção & controle , Seleção por Sorologia para HIV/estatística & dados numéricos , Profilaxia Pré-Exposição/estatística & dados numéricos , Comportamento Sexual/estatística & dados numéricos , Minorias Sexuais e de Gênero/estatística & dados numéricos , Adolescente , Adulto , Fármacos Anti-HIV/uso terapêutico , Estudos Transversais , Humanos , Masculino , Quebeque , Adulto Jovem
5.
AIDS Care ; 32(12): 1489-1497, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-31851524

RESUMO

McKirnan's Cognitive Escape Theory (1996) is often characterized by the hypothesis that drugs are used during sex by gay, bisexual, and other men who have sex with men (gbMSM) to relieve internal cognitive conflict over safe-sex norms and sexual desire. We examined how McKirnan's Cognitive Escape Scale (CES) is related to other widely used constructs relevant to sexualized substance use with hopes of better situating the theory within the evolving landscape of HIV-prevention. Associations between CES and trait anxiety, depression, treatment optimism, sexual altruism, sexual sensation seeking, and self-perceived risk for HIV transmission/acquisition were tested. Mediation analyses tested whether associated psychological measures mediated the effect of CES on the proportion of events in which participants reported co-occurrent substance use and condomless anal sex. Results indicated that CES is associated with higher sexual sensation seeking, treatment optimism, trait anxiety, and perceived likelihood of HIV transmission/acquisition. Mediation analyses suggest that CES is related to but operates independently of treatment optimism, sensation seeking, and trait anxiety. Nevertheless, the intersection of HIV-related worries and substance use expectancies are clearly more nuanced than is widely reported is discussions on cognitive escape.


Assuntos
Bissexualidade/psicologia , Homossexualidade Masculina/psicologia , Comportamento Sexual/efeitos dos fármacos , Transtornos Relacionados ao Uso de Substâncias/epidemiologia , Sexo sem Proteção , Adulto , Preservativos , Humanos , Masculino , Pessoa de Meia-Idade , Assunção de Riscos , Comportamento Sexual/psicologia , Minorias Sexuais e de Gênero
6.
Subst Use Misuse ; 55(14): 2428-2437, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-33059493

RESUMO

BACKGROUND: Risk compensation in an HIV Treatment as Prevention (TasP) environment may increase high-risk sexual and substance use behaviors among people living with HIV. Objective: To examine recent crystal methamphetamine (CM) use/initiation in a longitudinal cohort of gay, bisexual, and other men who have sex with men (GBMSM) living with HIV in Metro Vancouver, Canada. Methods: Eligible participants were GBMSM aged >15 years who reported sex with another man in the past six months. Participants were recruited using respondent-driven sampling and self-completed a computer questionnaire every six months. We used multi-level generalized mixed-effect models to evaluate trends in recent CM use (past six months), multivariable logistic regression to identify covariates of recent CM use, and multivariable survival analysis to identify predictors of CM initiation. Results: Of 207 GBMSM living with HIV at enrollment, 44.3% reported recent CM use; there was a statistically non-significant decrease over the study period (41% in first period to 25% in final period, p = 0.087). HIV treatment optimism was not associated with CM use/initiation. CM use was positively associated with depressive symptomology, sexual escape motivation, transactional sex, number of anal sex partners, condomless anal sex with seroconcordant partners, STIs, and other substance use. Recent CM use was negatively associated with viral load sorting. CM initiation was predicted by escape motivation, transactional sex, and group sex participation. Conclusion: Results suggest that CM use among GBMSM living with HIV is prevalent and increased CM use/initiation is not a consequence of TasP public policy.


Assuntos
Infecções por HIV , Metanfetamina , Minorias Sexuais e de Gênero , Canadá , Infecções por HIV/tratamento farmacológico , Infecções por HIV/prevenção & controle , Homossexualidade Masculina , Humanos , Masculino , Comportamento Sexual
7.
Subst Use Misuse ; 55(10): 1692-1701, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32406780

RESUMO

Background: Methamphetamine (MA) use among gay, bisexual, and other men who have sex with men (gbMSM) is a pervasive issue, associated with detrimental health outcomes. We identified factors associated with discontinuation or reduction in MA among a subset of gbMSM reporting frequent (at least weekly) use, with a specific focus on symptoms of anxiety and depression. Methods: We recruited sexually-active gbMSM aged ≥16 years in Vancouver, Canada into a prospective-cohort study using respondent-driven sampling. Participants completed study visits once every six months. We used generalized linear mixed models to identify factors associated with reductions in MA use following a visit where participants previously reported using MA at least weekly. Results: Of 584 cohort participants with at least one follow-up visit, 67 (11.5%) reported frequent MA use at baseline or in follow-up visits. Of these, 46 (68.7%) had at least one subsequent study visit where they transitioned to less frequent (monthly or less) or no MA use. In multivariable models, reduced MA use was less likely for those who spent >50% of social time with other gbMSM (aRR = 0.49, 95%CI:0.28-0.85), gave or received drugs in exchange for sex (aRR = 0.34, 95%CI:0.13-0.87), injected drugs (aRR = 0.35, 95%CI:0.18-0.68), or used gamma-hydroxybutyrate (GHB) (aRR = 0.41, 95%CI:0.21-0.78). Symptoms of anxiety or depression were not associated with reductions in MA use. Conclusions: Social connection and drug-related factors surrounding MA use were associated with reductions, but anxiety and depressive symptomatology were not. Incorporating socialization and polysubstance-related components with MA reduction may help in developing efficacious interventions toward reducing MA use for gbMSM.


Assuntos
Infecções por HIV , Metanfetamina , Minorias Sexuais e de Gênero , Bissexualidade , Canadá , Estudos de Coortes , Infecções por HIV/epidemiologia , Infecções por HIV/prevenção & controle , Homossexualidade Masculina , Humanos , Masculino , Estudos Prospectivos
8.
AIDS Behav ; 23(2): 347-358, 2019 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-30145708

RESUMO

Earlier HIV diagnosis allows for improved treatment outcomes and secondary prevention. It is recommended that all individuals know their HIV status and that those at higher risk test more frequently. Using a representative community sample of gay, bisexual, and other men who have sex with men (GBMSM), we aimed to: (1) determine the proportion of GBMSM who have tested in the past 2 years, (2) determine reasons for testing and never having tested, and (3) explore correlates of testing. Of 535 eligible participants, 80.0% reported having had an HIV test in the past 2 years, most commonly as part of a regular testing schedule. The most common reason for not testing was low perceived HIV risk. Bisexual and older GBMSM, as well as those who lived outside of Vancouver, were less likely to have tested in the past 2 years. Rapid point-of-care testing may help improve testing rates and was shown to effectively engage some hard-to-reach GBMSM (e.g., those who had not tested for other STIs) in this sample.


Assuntos
Infecções por HIV/diagnóstico , Comportamento Sexual/estatística & dados numéricos , Minorias Sexuais e de Gênero/estatística & dados numéricos , Adolescente , Adulto , Bissexualidade , Colúmbia Britânica , Canadá , HIV , Infecções por HIV/prevenção & controle , Seleção por Sorologia para HIV , Homossexualidade Masculina , Humanos , Masculino , Programas de Rastreamento , Pessoa de Meia-Idade , Motivação , Testes Imediatos , Minorias Sexuais e de Gênero/psicologia , Infecções Sexualmente Transmissíveis , Adulto Jovem
9.
BMC Public Health ; 19(1): 429, 2019 Apr 24.
Artigo em Inglês | MEDLINE | ID: mdl-31014296

RESUMO

BACKGROUND: Young gay, bisexual, and other men who have sex with men (YGBM) may have reduced engagement and knowledge of HIV care and biomedical HIV prevention strategies, such as pre-exposure prophylaxis (PrEP), post-exposure prophylaxis (PEP), and Treatment as Prevention (TasP), compared with adult GBM. We sought to understand differences in HIV prevention awareness, health care access, and service utilization between youth (16-29 years) and adult (≥30 year) GBM, as well as factors associated with attendance in HIV leadership programming among YGBM living in the publicly funded PrEP setting of Vancouver, Canada. METHODS: Sexually-active GBM were recruited using respondent-driven sampling (RDS) from February 2012 to February 2015. Participants completed an in-person computer-assisted self-interview every 6 months, up to February 2017, with questions on sociodemographic factors, awareness of biomedical HIV prevention strategies, and an HIV treatment optimism-skepticism scale. Participants were asked if they had ever attended either of two HIV-leadership programs designed for YGBM. Both programs involve multiple GBM-led education and social networking sessions operated by community-based organizations in Vancouver. Multivariable Glimmix confounder models assessed differences between youth and adult GBM. Among younger men, bivariate analyses examined factors associated with HIV-leadership program attendance. RESULTS: Of 698 GBM who enrolled in the longitudinal study, 36.8% were less than 30 years old at the first study visit. After controlling for gender identification, sexual orientation, HIV status, and income in the past 6 months, younger GBM (n = 257/698) had lower awareness of biomedical HIV prevention strategies and less HIV treatment optimism compared with older GBM (n = 441/698). Among younger GBM who attended HIV-leadership programs (n = 50), greater awareness of biomedical HIV prevention strategies and higher HIV treatment optimism were reported, compared with non-attendees. CONCLUSION: Younger GBM, who are disproportionately affected by the HIV epidemic, are less aware of new prevention technologies than older GBM, but attending peer-based HIV-leadership programs ameliorates age-disparities in HIV-prevention knowledge and treatment optimism.


Assuntos
Infecções por HIV/prevenção & controle , Conhecimentos, Atitudes e Prática em Saúde , Liderança , Profilaxia Pós-Exposição/estatística & dados numéricos , Profilaxia Pré-Exposição/estatística & dados numéricos , Avaliação de Programas e Projetos de Saúde/métodos , Minorias Sexuais e de Gênero/estatística & dados numéricos , Adolescente , Adulto , Canadá/epidemiologia , Estudos de Coortes , Humanos , Estudos Longitudinais , Masculino , Minorias Sexuais e de Gênero/psicologia , Adulto Jovem
10.
BMC Public Health ; 19(1): 120, 2019 Jan 28.
Artigo em Inglês | MEDLINE | ID: mdl-30691426

RESUMO

BACKGROUND: The emergence of biomedical and seroadaptive HIV prevention strategies has coincided with a decline in condom use among gay men. METHODS: We undertook a social ecological analysis of condom use and perceptions using nineteen semi-structured interviews with HIV negative gay men in Vancouver, Canada who used HAART-based prevention strategies. RESULTS: Contributors to inconsistent condom use were found at various levels of the social ecological model. Ongoing concern regarding HIV transmission and belief in the proven efficacy of condoms motivated contextual use. When condoms were not used, participants utilized seroadaptive and biomedical prevention strategies to mitigate risk. CONCLUSIONS: These findings indicate that notions of "safety" and "risk" based on consistent condom use are eroding as other modes of prevention gain visibility. Community-based and public health interventions will need to shift prevention messaging from advocacy for universal condom use toward combination prevention in order to meet gay men's current prevention needs. Interventions should advance gay men's communication and self-advocacy skills in order to optimize these strategies.


Assuntos
Preservativos/estatística & dados numéricos , Infecções por HIV/prevenção & controle , Homossexualidade Masculina/psicologia , Adulto , Terapia Antirretroviral de Alta Atividade/estatística & dados numéricos , Canadá , Homossexualidade Masculina/estatística & dados numéricos , Humanos , Masculino , Pessoa de Meia-Idade , Percepção
11.
Subst Use Misuse ; 54(12): 1945-1955, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31142175

RESUMO

Background: Previous research demonstrates that substance use preferences and social-sexual environments are highly interrelated for gay, bisexual, and other men who have sex with men (gbMSM). Objective: We conducted a qualitative study to explore the socio-cultural context of substance use among local gbMSM communities in Metro Vancouver, Canada. Methods: Twenty gbMSM were purposively sampled from the larger Momentum Health Study cohort, a sexual health study of gbMSM in Greater Vancouver. Participants were demographically diverse in terms of HIV serostatus, age, income, ethnicity, and area of residence within the city and neighboring suburbs. Community maps generated by participants during formative research served as prompts for semi-structured interviews which were audio recorded and transcribed verbatim. Thematic analysis identified three themes of common experience. Results: First, participants indicated that substance use is intrinsically social in Vancouver gbMSM communities and that it functions as both a means of social inclusion and exclusion. Second, a distinction was made between types of substances and the location and context of their use, with specific substances having particular uses and meanings. Third, analysis suggested that gbMSM change their substance use over the life course and that this is affected by shifting priorities as people age. Discussion: For Vancouver gbMSM communities, substance use serves several social-cultural functions and can simultaneously serve as both a potential facilitator and barrier for community connection. Future research and health programing should consider venue and context specific messaging and recognize the heterogeneity of substance use within the larger gbMSM population.


Assuntos
Distância Psicológica , Minorias Sexuais e de Gênero/psicologia , Transtornos Relacionados ao Uso de Substâncias/psicologia , Adulto , Idoso , Canadá , Estudos de Coortes , Demografia , Humanos , Masculino , Pessoa de Meia-Idade , Pesquisa Qualitativa , Adulto Jovem
12.
AIDS Behav ; 22(7): 2147-2160, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29076033

RESUMO

This study examined patterns of connectedness among 774 sexually-active gay, bisexual, and other men who have sex with men (GBM), aged ≥ 16 years, recruited using respondent-driven sampling in Metro Vancouver. Latent class analysis examined patterns of connectedness including: attendance at gay venues/events (i.e., bars/clubs, community groups, pride parades), social time spent with GBM, use of online social and sex seeking apps/websites, and consumption of gay media. Multinomial regression identified correlates of class membership. A three-class LCA solution was specified: Class 1 "Socialites" (38.8%) were highly connected across all indicators. Class 2 "Traditionalists" (25.7%) were moderately connected, with little app/website-use. Class 3 "Techies" (35.4%) had high online connectedness and relatively lower in-person connectedness. In multivariable modelling, Socialites had higher collectivism than Traditionalists, who had higher collectivism than Techies. Socialites also had higher annual incomes than other classes. Techies were more likely than Traditionalists to report recent serodiscordant or unknown condomless anal sex and HIV risk management practices (e.g., ask their partner's HIV status, get tested for HIV). Traditionalists on the other hand were less likely to practice HIV risk management and had lower HIV/AIDS stigma scores than Socialites. Further, Traditionalists were older, more likely to be partnered, and reported fewer male sex partners than men in other groups. These findings highlight how patterns of connectedness relate to GBM's risk management.


Assuntos
Infecções por HIV/prevenção & controle , Internet , Minorias Sexuais e de Gênero , Comportamento Social , Estigma Social , Adulto , Bissexualidade , Colúmbia Britânica , Estudos Transversais , Homossexualidade Masculina , Humanos , Renda , Análise de Classes Latentes , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Análise de Regressão , Comportamento Sexual/estatística & dados numéricos , Parceiros Sexuais , Mídias Sociais
13.
AIDS Behav ; 22(11): 3550-3565, 2018 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-29344740

RESUMO

Gay, bisexual, and other men who have sex with men (gbMSM) are at the highest risk for HIV infection in British Columbia (BC). Pre-exposure prophylaxis (PrEP) has been recently licensed but is currently not publicly funded in BC. Using respondent-driven sampling, we recruited a cohort of gbMSM to complete a computer-assisted self-interview with follow-up every 6 months. Stratified by HIV status, we examined trends in awareness of PrEP from 11/2012 to 02/2016 and factors associated with PrEP awareness. 732 participants responded to the PrEP awareness question. Awareness of PrEP among HIV-negative men increased from 18 to 80% (p < 0.0001 for trend); among HIV-positive men, awareness increased from 36 to 77% (p < 0.0001). PrEP awareness was associated with factors related to HIV risk including sero-adaptive strategies and sexual sensation seeking. Eight HIV-negative men reported using PrEP. Low PrEP uptake highlights that PrEP access should be expanded for at-risk gbMSM in BC.


Assuntos
Fármacos Anti-HIV/administração & dosagem , Bissexualidade , Infecções por HIV/prevenção & controle , Conhecimentos, Atitudes e Prática em Saúde , Homossexualidade Masculina , Profilaxia Pré-Exposição , Parceiros Sexuais , Minorias Sexuais e de Gênero/psicologia , Adulto , Conscientização , Colúmbia Britânica , Canadá , Estudos de Coortes , Infecções por HIV/psicologia , Soropositividade para HIV , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Prevenção Primária , Comportamento Sexual
14.
AIDS Care ; 30(10): 1290-1297, 2018 10.
Artigo em Inglês | MEDLINE | ID: mdl-29558813

RESUMO

Previous research indicates that gay and bisexual men (GBM) have significantly more sexual partners than same-aged heterosexual men and women. As a result, some HIV intervention programs have focused on partner reduction. However, new research findings question the relevance of sexual partner number as a sexual risk measure for GBM given Treatment as Prevention (TasP) programs and new seroadaptive strategies which have led to lower GBM community viral load and new HIV prevention behaviors. To assess if sexual partner number continues to remain an important measure of sexual risk for GBM living in a city that actively promotes TasP as provincial policy, we analysed cross-sectional data from 719 GBM recruited through respondent-driven sampling in Vancouver, Canada. Multivariable negative binomial regression analysis showed that partner number was significantly associated with previously identified HIV risk factors including condomless anal intercourse with serodiscordant and/or unknown serostatus partners, using sex toys, attending group sex events, receiving money for sex, and sex drug use. These results indicate that sexual partner number remains an important proximate HIV risk measure. However, more nuanced measures of HIV treatment status and greater understanding of the possible causes of increased partner number among GBM are needed.


Assuntos
Infecções por HIV/transmissão , Homossexualidade Masculina , Parceiros Sexuais , Adulto , Colúmbia Britânica , Estudos Transversais , Infecções por HIV/epidemiologia , Infecções por HIV/prevenção & controle , Humanos , Masculino , Pessoa de Meia-Idade , Assunção de Riscos , Sexo Seguro , Transtornos Relacionados ao Uso de Substâncias
15.
Cult Health Sex ; 20(12): 1424-1439, 2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-29589798

RESUMO

Assessments of gay and bisexual men's substance use often obscures salient sociocultural and identity-related experiences related to how they use drugs. Latent class analysis was used to examine how patterns of substance use represent the social, economic and identity-related experiences of this population. Participants were sexually active gay and bisexual men (including other men who have sex with men), aged ≥ 16 years, living in Metro Vancouver (n = 774). LCA indicators included all substances used in the past six months self-reported by more than 30 men. Model selection was made with consideration to model parsimony, interpretability and optimisation of statistical criteria. Multinomial regression identified factors associated with class membership. A six-class solution was identified representing: 'assorted drug use' (4.5%); 'club drug use' (9.5%); 'street drug use' (12.1%); 'sex drug use' (11.4%); 'conventional drug use' (i.e. tobacco, alcohol, marijuana; 25.9%); and 'limited drug use' (36.7%). Factors associated with class membership included age, sexual orientation, annual income, occupation, income from drug sales, housing stability, group sex event participation, gay bars/clubs attendance, sensation seeking and escape motivation. These results highlight the need for programmes and policies that seek to lessen social disparities and account for social distinctions among this population.


Assuntos
Bissexualidade , Cultura , Homossexualidade Masculina , Transtornos Relacionados ao Uso de Substâncias/epidemiologia , Adulto , Colúmbia Britânica/epidemiologia , Estudos Transversais , Humanos , Análise de Classes Latentes , Masculino , Autorrelato
16.
J Prim Prev ; 39(3): 263-301, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29700674

RESUMO

Transgender and gender variant (GV) youth experience elevated risk for poor health and academic outcomes due mainly to social experiences of stigma and discrimination. To supplement the growing evidence on health risks encountered by transgender/GV youth, we identified factors theorized to be protective for these youth across all four levels of Bronfenbrenner's socioecological model (individual, relationship, community, societal). We conducted a systematic search of peer-reviewed research. The articles included in this review were published in peer-reviewed journals in English or Spanish between 1999 and 2014, analyzed data from a sample or subsample of transgender or GV participants with a mean age between 10 and 24 years, and examined the relationship of at least one theorized protective factor to a health or behavioral outcome. Twenty-one articles met inclusion criteria. Transgender/GV youth in included articles ranged from 11 to 26 years of age, were racially/ethnically diverse, and represented varied gender identities. Within these articles, 27 unique protective factors across four levels of the ecological model were identified as related to positive health and well-being. Self-esteem at the individual level, healthy relationships with parents and peers at the relationship-level, and gay-straight alliances at the community level emerged as protective factors across multiple studies. Our findings underscore the relative lack of research on transgender/GV youth and protective factors. Novel recruitment strategies for transgender/GV youth and better measurement of transgender identities are needed to confirm these protective relationships and identify others. Growth in these areas will contribute to building a body of evidence to inform interventions.


Assuntos
Fatores de Proteção , Pessoas Transgênero , Adolescente , Criança , Feminino , Humanos , Masculino , Estigma Social , Adulto Jovem
17.
J Bisex ; 18(3): 299-317, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-31462896

RESUMO

This cross-sectional study used a validated index (i.e., Hospital Anxiety and Depression Scale) to measure anxiety and depression (caseness score: ≥8) among men who have sex with men recruited via respondent-driven sampling in Vancouver, Canada (n=774), and investigated whether differences in mental health outcomes varied by sexual orientation measure (i.e., identity, attraction, behavior). Of the sample, 15.5% identified as bisexual, 33.4% reported any bisexual attraction, and 22.7% reported any bisexual sexual activity. More bisexual than gay men met the case definition for anxiety and depression, across all sexual orientation measures. In adjusted multivariable models, bisexual men had higher odds of anxiety by attraction and identity and higher odds of depression by identity. Findings highlight the value of measuring multiple sexual orientation dimensions in surveys and routine surveillance, and the need to ensure sexual minority groups and sexual orientation dimensions are not considered commensurate for mental health prevention and treatment.

18.
Int J Cancer ; 141(3): 437-446, 2017 08 01.
Artigo em Inglês | MEDLINE | ID: mdl-28297074

RESUMO

The incidence of cervical cancer in low- and middle-income countries (LMICs) is five times higher than that observed in high-income countries (HICs). This discrepancy is largely attributed to the implementation of cytology-based screening programmes in HICs. However, due to reduced health system infrastructure requirements, HPV testing (self- and provider-collected) and visual inspection with acetic acid (VIA) have been proposed as alternatives that may be better suited to LMICs. Knowing the relative value of different screening options can inform policy and the development of sustainable prevention programs. We searched MEDLINE and EMBASE for English language publications detailing model-based cost-effectiveness analyses of cervical cancer screening methods in LMICs from 2000 to 2016. The main outcome of interest was the incremental cost-effectiveness ratio (ICER). Quantitative data were extracted to compare commonly evaluated screening methods and a descriptive review was conducted for each included study. Of the initial 152 articles reviewed, 19 met inclusion criteria. Generally, cytology-based screening was shown to be the least effective and most costly screening method. Whether provider-collected HPV testing or VIA was the more efficient alternative depended on the cost of the HPV test, loss to follow-up and VIA test performance. Self-collected HPV testing was cost-effective when it yielded population coverage gains over other screening methods. We conclude that HPV testing and VIA are more cost-effective screening methods than cytology in LMICs. Policy makers should consider HPV testing with self-collection of samples if it yields gains in population coverage.


Assuntos
Detecção Precoce de Câncer/economia , Neoplasias do Colo do Útero/economia , Análise Custo-Benefício , Países em Desenvolvimento , Feminino , Humanos , Neoplasias do Colo do Útero/diagnóstico , Neoplasias do Colo do Útero/prevenção & controle
20.
Arch Sex Behav ; 44(4): 921-34, 2015 May.
Artigo em Inglês | MEDLINE | ID: mdl-25567073

RESUMO

Women report a wide variety of reasons to have sex (e.g., Meston & Buss, 2010), and while it is reasonable to assume that those reasons may vary based on the context of the relationship, this assumption has not yet been tested. The purpose of this study was to explore how relationship type, sexual attraction, and the gender of one's partner interact and affect the sexual motivations of women. A total of 510 women (361 who reported exclusively other-sex attraction and 149 who reported same-sex/bisexual attraction) completed the YSEX? questionnaire. Participants rated their sexual motivations for casual sex and sex in a committed relationship with male and/or female partners, depending on reported sexual attraction. Results showed that relationship type affected reported motivation for sex: physical motivations were more strongly endorsed for casual sex, whereas emotional motivations were more strongly endorsed for sex in committed relationships. No significant differences in motivation were reported between women who reported same-sex attraction and those who did not. Women who reported bisexual attraction and identified as being lesbian, bisexual, or another sexual minority reported no significant differences in motivation for sex with male or female partners. The results of this study highlight the importance of relationship context when discussing sexual motivation and suggest a high degree of similarity in motivation for women, regardless of sexual orientation or gender of partner.


Assuntos
Bissexualidade/psicologia , Motivação , Comportamento Sexual/psicologia , Parceiros Sexuais/psicologia , Adulto , Feminino , Humanos , Masculino , Grupos Minoritários , Inquéritos e Questionários
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