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1.
BMC Public Health ; 22(1): 842, 2022 04 27.
Artigo em Inglês | MEDLINE | ID: mdl-35473678

RESUMO

BACKGROUND: People who inject drugs (PWID) are vulnerable to SARS-CoV-2 infection. We examined correlates of COVID-19 testing among PWID in the U.S.-Mexico border region and described encounters with services representing potential opportunities (i.e., 'touchpoints') where COVID-19 testing could have been offered. METHODS: Between October, 2020 and September, 2021, participants aged ≥18 years from San Diego, California, USA and Tijuana, Baja California, Mexico who injected drugs within the last month completed surveys and SARS-CoV-2, HIV, and HCV serologic testing. Logistic regression identified factors associated with COVID-19 testing including potential touchpoints, comorbidities and COVID-19 related misinformation and disinformation. RESULTS: Of 583 PWID, 30.5% previously had a COVID-19 test. Of 172 PWID who tested SARS-CoV-2 seropositive (30.1%), 50.3% encountered at least one touchpoint where COVID-19 testing could have been offered within the prior six months. Factors independently associated with at least two fold higher odds of COVID-19 testing were living in San Diego, recent incarceration, receiving substance use treatment, and experiencing ≥1 chronic health condition. Homelessness, having received ≥1 dose of COVID-19 vaccine, and having a HIV or HCV test since the COVID-19 epidemic began were also independently associated with having had a prior COVID-19 test. CONCLUSION: We identified several factors independently associated with COVID-19 testing and multiple touchpoints where COVID-19 testing could be scaled up for PWID, such as SUD treatment programs and syringe service programs. Integrated health services are needed to improve access to rapid, free COVID-19 testing in this vulnerable population.


Assuntos
COVID-19 , Usuários de Drogas , Infecções por HIV , Hepatite C , Abuso de Substâncias por Via Intravenosa , Adolescente , Adulto , COVID-19/diagnóstico , COVID-19/epidemiologia , Teste para COVID-19 , Vacinas contra COVID-19 , Estudos Transversais , Infecções por HIV/epidemiologia , Hepatite C/complicações , Humanos , México/epidemiologia , Prevalência , SARS-CoV-2 , Abuso de Substâncias por Via Intravenosa/complicações , Abuso de Substâncias por Via Intravenosa/epidemiologia
2.
Drug Alcohol Depend ; 194: 495-499, 2019 01 01.
Artigo em Inglês | MEDLINE | ID: mdl-30529906

RESUMO

AIMS: Globally, women who use drugs often practice sex work and experience multiple health and social harms that complicate their drug treatment needs. In East Africa, understanding the emergence of heroin use among women is critical in efforts to build effective drug treatment programming, including the ongoing scale-up of medication-assisted treatment (MAT). We explored heroin use among women engaged in sex work in Kenya to inform services. METHODS: In a qualitative study of 45 female sex workers reporting substance use in Kisumu, Kenya, 32 reported lifetime heroin use and comprise the focus of this analysis. Semi-structured interviews explored histories of substance use and sex work and health programming needs. Thematic analysis focused on the contexts and meanings of heroin use. RESULTS: Among 32 women, median age was 28 (range: 18-37). Women commonly smoked cocktails containing heroin while using alcohol and other drugs prior to sex work. Most women perceived heroin to engender "morale" and "courage" to engage in sex work and "fight" potentially abusive clients. Sex work reinforced drug use in ways that both managed and created new risks. CONCLUSIONS: Drawing on the concept of "paradoxical autonomy," we suggest that heroin use engenders new forms of autonomy allowing women to support themselves in conditions of uncertainty, yet does not enable them to entirely overcome their vulnerabilities. Drug treatment programs for sex workers should address the situated logics of substance use in contexts of sexual risk, including patterns of poly-substance use that may render MAT inappropriate for some women who use heroin.


Assuntos
Dependência de Heroína/tratamento farmacológico , Heroína , Trabalho Sexual , Profissionais do Sexo , Abuso de Substâncias por Via Intravenosa/tratamento farmacológico , Adolescente , Adulto , Feminino , Humanos , Quênia , Pesquisa Qualitativa , Adulto Jovem
3.
AIDS Care ; 30(3): 343-346, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-28780885

RESUMO

Due to heightened vulnerability to HIV from frequent engagement in sex work and overlapping drug-using and sexual networks, women who inject drugs should be a high priority population for pre-exposure prophylaxis (PrEP) and other biomedical HIV prevention tools. Kenya is one of the first African countries to approve oral PrEP for HIV prevention among "key populations," including people who inject drugs and sex workers. The objective of this study was to explore preferences and perceived challenges to PrEP adoption among women who inject drugs in Kisumu, Kenya. We conducted qualitative interviews with nine HIV-uninfected women who inject drugs to assess their perceptions of biomedical HIV interventions, including oral PrEP, microbicide gels, and intravaginal rings. Despite their high risk and multiple biomedical studies in the region, only two women had ever heard of any of these methods. All women were interested in trying at least one biomedical prevention method, primarily to protect themselves from partners who were believed to have multiple other sexual partners. Although women shared concerns about side effects and product efficacy, they did not perceive drug use as a significant deterrent to adopting or adhering to biomedical prevention methods. Beginning immediately and continuing throughout Kenya's planned PrEP rollout, efforts are urgently needed to include the perspectives of high risk women who use drugs in biomedical HIV prevention research and programing.


Assuntos
Fármacos Anti-HIV/administração & dosagem , Infecções por HIV/prevenção & controle , Conhecimentos, Atitudes e Prática em Saúde , Profilaxia Pré-Exposição , Comportamento Sexual , Abuso de Substâncias por Via Intravenosa/complicações , Adulto , Feminino , Humanos , Entrevistas como Assunto , Quênia , Pesquisa Qualitativa , Parceiros Sexuais , Abuso de Substâncias por Via Intravenosa/psicologia
4.
Cult Health Sex ; 20(9): 961-975, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-29171796

RESUMO

Female sex work is often perceived as women being controlled by men. We used surveys and qualitative interviews with female sex workers and their intimate partners in two Northern Mexico cities to examine couples' own perceptions of their relationships and male partners' involvement in sex work. Among 214 couples, the median age was 34 and relationship duration was approximately 3 years. Only 10 women in the survey reported having a pimp, and the majority reported sole control over sex work decisions. Qualitative analyses revealed that while most men avoided direct involvement in sex work, they offered advice that was largely driven by concern for their partner's well-being. Our discussion of these results considers the broader socio-political context surrounding these relationships and how changing gender roles, economic insecurity and stigma shape couples' everyday social interactions. Assumptions that all sex workers' relationships are coercive and commercial marginalises these couples while leaving their health concerns unaddressed.


Assuntos
Tomada de Decisões , Trabalho Sexual , Parceiros Sexuais , Cônjuges , Adulto , Status Econômico , Características da Família , Feminino , Identidade de Gênero , Humanos , Renda , Masculino , México , Pesquisa Qualitativa , Papel (figurativo) , Estigma Social , Transtornos Relacionados ao Uso de Substâncias , Inquéritos e Questionários , Estados Unidos
5.
Med Anthropol ; 36(6): 566-583, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28414530

RESUMO

Sensationalistic media coverage has fueled stereotypes of the Mexican border city of Tijuana as a violent battleground of the global drug war. While the drug war shapes health and social harms in profoundly public ways, less visible are the experiences and practices of hope that forge communities of care and represent more private responses to this crisis. In this article, we draw on ethnographic fieldwork and photo elicitation with female sex workers who inject drugs and their intimate, non-commercial partners in Tijuana to examine the personal effects of the drug war. Drawing on a critical phenomenology framework, which links political economy with phenomenological concern for subjective experience, we explore the ways in which couples try to find hope amidst the horrors of the drug war. Critical visual scholarship may provide a powerful alternative to dominant media depictions of violence, and ultimately clarify why this drug war must end.


Assuntos
Crime/etnologia , Tráfico de Drogas/etnologia , Profissionais do Sexo/psicologia , Parceiros Sexuais/psicologia , Abuso de Substâncias por Via Intravenosa/etnologia , Adulto , Antropologia Médica , Criança , Feminino , Pessoas Mal Alojadas , Humanos , Masculino , México/etnologia , Fotografação , Estados Unidos
6.
AIDS Care ; 29(1): 56-60, 2017 01.
Artigo em Inglês | MEDLINE | ID: mdl-27315021

RESUMO

Black and Latino gay, bisexual, and other men who have sex with men (MSM) have higher rates of HIV and other sexually transmitted infections (STIs) than their White counterparts. Differences in sexual networks have been hypothesized to play an important role in the observed racial/ethnic disparities in risk. However, concerns about the acceptability and feasibility of conducting sociocentric sexual network studies have left a dearth of data on the structure of sexual networks of MSM. If certain network research procedures are unacceptable among target populations, biases may be introduced. We conducted qualitative interviews and brief surveys with 30 self-identified Black (n = 12), Hispanic/Latino, (n = 9) and White (n = 9) sexually active MSM in the Greater Boston area to assess the acceptability and feasibility of potential procedures for a sociocentric sexual network study. We found that referring recent sexual partners as part of a sociocentric network study was generally acceptable, but racial/ethnic differences emerged regarding specific preferences for how to recruit sexual partners. While the majority of Black participants (7/12) explained that they would not want their name disclosed to sexual partners approached for study participation, most Latino participants (7/9) preferred having the opportunity to inform referrals themselves about the study prior to researchers contacting them, and White participants (8/9) favored having researchers disclose their names when recruiting referrals, emphasizing the importance of transparency. In order to reduce differential rates of research participation, increase scientific validity, and reduce risks of social harm, researchers studying sexual networks among MSM should be aware of these potential differences, engage communities in study design, and provide participants with a variety of options for recruiting their sexual partners.


Assuntos
Homossexualidade Masculina/psicologia , Seleção de Pacientes , Projetos de Pesquisa , Parceiros Sexuais , Adulto , Negro ou Afro-Americano , Boston , Confidencialidade , Revelação , Infecções por HIV/etnologia , Hispânico ou Latino , Homossexualidade Masculina/etnologia , Humanos , Entrevistas como Assunto , Masculino , Pesquisa Qualitativa , Inquéritos e Questionários , População Branca , Adulto Jovem
7.
Transl Behav Med ; 7(2): 300-308, 2017 06.
Artigo em Inglês | MEDLINE | ID: mdl-27154790

RESUMO

Breast cancer survivors' informal caregivers experience adverse health outcomes and could benefit from interventions. Studies of caregivers' participation in research, to date, have assumed heterosexuality. The aim of this study is to identify factors associated with caregiver participation among survivors with diversity in sexual orientation. We recruited breast cancer survivors into a telephone survey and asked them to invite a caregiver. Logistic regression identified factors associated with caregivers' participation. Among 297 survivors, 12 (4 %) had no caregivers, 82 (28 %) refused to provide caregiver information, 203 (68 %) provided caregiver contact, and 167 (56 %) had caregivers participate. Caregiver participation was more likely among sexual minority than heterosexual survivors (aOR: 1.89; 95 % CI: 1.08, 3.32), dyads with higher cohesion, and among caregivers who were partners. Caregiver participation was less likely among survivors with lower education and higher comorbidity. Findings provide insight into recruitment of diverse dyads into cancer survivorship research that will ultimately inform intervention design.


Assuntos
Neoplasias da Mama , Sobreviventes de Câncer , Cuidadores , Seleção de Pacientes , Idoso , Neoplasias da Mama/epidemiologia , Neoplasias da Mama/psicologia , Sobreviventes de Câncer/psicologia , Cuidadores/psicologia , Comorbidade , Escolaridade , Feminino , Humanos , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Razão de Chances , Autorrelato , Minorias Sexuais e de Gênero , Sexualidade
8.
JMIR Res Protoc ; 5(3): e168, 2016 Aug 25.
Artigo em Inglês | MEDLINE | ID: mdl-27562905

RESUMO

BACKGROUND: An estimated one- to two-thirds of new human immunodeficiency virus (HIV) infections among US men who have sex with men (MSM) occur within the context of primary partnerships. Thus, HIV interventions that recognize and harness the power of relationships are needed. Increasingly, HIV prevention efforts are being directed toward improving engagement across the HIV care continuum from testing to linkage to care, antiretroviral therapy (ART) adherence, engagement in care, and viral suppression. However, to our knowledge, no behavioral interventions have attempted to address the HIV care continuum using a dyadic approach. OBJECTIVE: The objective of this paper is to describe the development of and protocol for an innovative couples-based approach to improving treatment adherence and engagement in care among HIV serodiscordant and concordant HIV-positive same sex male couples in the United States. METHODS: We developed the Partner Steps intervention by drawing from relationship-oriented theory, existing efficacious individual-level ART adherence interventions, couple-focused HIV prevention interventions, and expert consultation. We incorporated new content to address all aspects of the HIV care continuum (eg, linkage to and retention in care) and to draw on relationship strengths through interactive activities. RESULTS: The resulting theory-based Partner Steps intervention is delivered by a trained bachelors-level counselor (interventionist) over 2 in-person sessions with male-male dyads in which at least 1 partner has recent suboptimal engagement in HIV care. Each session is designed to use relationship strengths to increase motivation for HIV care and treatment, and cover sequential intervention "steps" relating to specific challenges in HIV care engagement and barriers to ART adherence. For each step, couples work with a trained interventionist to identify their unique challenges, actively problem-solve with the interventionist, and articulate and commit to working together to implement a plan in which each partner agrees to complete specific tasks. CONCLUSIONS: We drew on theory and evidence to develop novel intervention strategies that leverage strengths of relationships to address engagement across the entire HIV care continuum. We provide details on intervention development and content that may be of use to researchers as well as medical and mental health professionals for whom a dyadic approach to HIV prevention and care may best suit their patient population.

9.
AIDS Educ Prev ; 28(4): 312-24, 2016 08.
Artigo em Inglês | MEDLINE | ID: mdl-27427926

RESUMO

Female sex workers (FSWs) often report inconsistent condom use with clients and noncommercial male partners, yet changes in condom use with various partner types during participation in observation studies remains underexplored. This longitudinal study of 214 FSWs and their male, noncommercial partners in the Mexico-U.S. border region, where HIV prevalence among FSWs continues to be high, utilized negative binomial regressions to examine changes in condom use with intimate partners and clients (regular and nonregular) over 24 months. Condom use decreased over time among couples in Ciudad Juarez, but there was no change in condom use among couples in Tijuana. FSWs' condom use with regular and nonregular clients significantly increased over time, which is consistent with previous research finding behavioral changes when participating in observational studies. Findings suggest the need for continued efforts to promote condom use among FSWs and their noncommercial male partners in addition to clients.


Assuntos
Preservativos/estatística & dados numéricos , Relações Interpessoais , Trabalho Sexual/estatística & dados numéricos , Profissionais do Sexo/estatística & dados numéricos , Comportamento Sexual/estatística & dados numéricos , Parceiros Sexuais , Sexo sem Proteção/estatística & dados numéricos , Adulto , Pesquisa Comportamental , Feminino , Infecções por HIV/epidemiologia , Humanos , Entrevistas como Assunto , Estudos Longitudinais , Masculino , México/epidemiologia , Prevalência , Sexo Seguro , Estados Unidos/epidemiologia , Adulto Jovem
10.
Addict Behav ; 61: 84-90, 2016 10.
Artigo em Inglês | MEDLINE | ID: mdl-27249807

RESUMO

BACKGROUND: Analyses with geographic data can be used to identify "hot spots" and "health service deserts", examine associations between proximity to services and their use, and link contextual factors with individual-level data to better understand how environmental factors influence behaviors. Technological advancements in methods for collecting this information can improve the accuracy of contextually-relevant information; however, they have outpaced the development of ethical standards and guidance, particularly for research involving populations engaging in illicit/stigmatized behaviors. Thematic analysis identified ethical considerations for collecting geographic data using different methods and the extent to which these concerns could influence study compliance and data validity. METHODS: In-depth interviews with 15 Baltimore residents (6 recruited via flyers and 9 via peer-referral) reporting recent drug use explored comfort with and ethics of three methods for collecting geographic information: (1) surveys collecting self-reported addresses/cross-streets, (2) surveys using web-based maps to find/confirm locations, and (3) geographical momentary assessments (GMA), which collect spatiotemporally referenced behavioral data. RESULTS: Survey methods for collecting geographic data (i.e., addresses/cross-streets and web-based maps) were generally acceptable; however, participants raised confidentiality concerns regarding exact addresses for illicit/stigmatized behaviors. Concerns specific to GMA included burden of carrying/safeguarding phones and responding to survey prompts, confidentiality, discomfort with being tracked, and noncompliance with study procedures. Overall, many felt that confidentiality concerns could influence the accuracy of location information collected for sensitive behaviors and study compliance. CONCLUSIONS: Concerns raised by participants could result in differential study participation and/or study compliance and questionable accuracy/validity of location data for sensitive behaviors.


Assuntos
Usuários de Drogas , Ética em Pesquisa , Geografia/ética , Entrevistas como Assunto/métodos , Mapas como Assunto , Projetos de Pesquisa , Adulto , Baltimore , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Reprodutibilidade dos Testes
11.
J Community Health ; 41(6): 1204-1211, 2016 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-27137196

RESUMO

Syndemic theory posits that epidemics of multiple physical and psychosocial problems co-occur among disadvantaged groups due to adverse social conditions. Although sexual minority populations are often stigmatized and vulnerable to multiple health problems, the syndemic perspective has been underutilized in understanding chronic disease. To assess the potential utility of this perspective in understanding the management of co-occurring HIV and Type 2 diabetes, we used linear regression to examine glycemic control (A1c) among men who have sex with men (MSM) with both HIV and Type 2 diabetes (n = 88). Bivariable linear regression explored potential syndemic correlates of inadequate glycemic control. Compared to those with adequate glycemic control (A1c ≤ 7.5 %), more men with inadequate glycemic control (A1c > 7.5 %) had hypertension (70 vs. 46 %, p = 0.034), high triglycerides (93 vs. 61 %, p = 0.002), depression (67 vs. 39 %, p = 0.018), current substance abuse (15 vs. 2 %, p = 0.014), and detectable levels of HIV (i.e., viral load ≥75 copies per ml blood; 30 vs. 10 %, p = 0.019). In multivariable regression controlling for age, the factors that were independently associated with higher A1c were high triglycerides, substance use, and detectable HIV viral load, suggesting that chronic disease management among MSM is complex and challenging for patients and providers. Findings also suggest that syndemic theory can be a clarifying lens for understanding chronic disease management among sexual minority stigmatized populations. Interventions targeting single conditions may be inadequate when multiple conditions co-occur; thus, research using a syndemic framework may be helpful in identifying intervention strategies that target multiple co-occurring conditions.


Assuntos
Doença Crônica/terapia , Diabetes Mellitus Tipo 2/tratamento farmacológico , Gerenciamento Clínico , Infecções por HIV , Homossexualidade Masculina/psicologia , Atitude Frente a Saúde , Registros Eletrônicos de Saúde , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos
13.
Subst Use Misuse ; 51(1): 23-33, 2016 Jan 02.
Artigo em Inglês | MEDLINE | ID: mdl-26683591

RESUMO

BACKGROUND: Self-reports are commonly used to assess prevalence and frequency of drug use, but it is unclear whether qualitative methods like semi-structured interviews are as useful at obtaining such information as quantitative surveys. OBJECTIVES: This study compared drug use occurrence and frequency using data collected from quantitative surveys and qualitative interviews. We also examined whether combining data from both sources could result in significant increases in percentages of current users and whether the concordance between the two sets of data was associated with the type of drug use, age, gender and socioeconomic status. METHODS: Self- reports of recent marijuana, heroin, crack, cocaine, crystal/methamphetamine, inhalant, and tranquilizer use were collected using both methods from a cohort of Mexican female sex workers and their non-commercial male partners (n = 82). RESULTS: Participants were significantly less likely to report marijuana, cocaine and tranquilizer use and frequency of use during the qualitative interviews than during the quantitative surveys. Agreement on frequency of drug use was excellent for crystal/methamphetamine, heroin and inhalant use, and weak for cocaine, tranquilizers and marijuana use. Older participants exhibited significantly higher concordance than younger participants in reports of marijuana and methamphetamine use. Higher monthly income was significantly associated with higher concordance in crack use but lower concordance with marijuana use. CONCLUSIONS: Although use of such data can result in an underreporting of drug use, qualitative data can be quantified in certain circumstances to triangulate and confirm the results from quantitative analyses and provide a more comprehensive view of drug use.


Assuntos
Confiabilidade dos Dados , Profissionais do Sexo , Parceiros Sexuais , Abuso de Substâncias por Via Intravenosa/epidemiologia , Adolescente , Adulto , Feminino , Humanos , Entrevistas como Assunto , Masculino , México/epidemiologia , Autorrelato , Adulto Jovem
14.
Anthropol Conscious ; 26(2): 182-194, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26478687

RESUMO

The relationships between female sex workers and their non-commercial male partners are typically viewed as sites of HIV risk rather than meaningful unions. This ethnographic case study presents a nuanced portrayal of the relationship between Cindy and Beto, a female sex worker who injects drugs and her intimate, non-commercial partner who live in Tijuana, Mexico. Based on ethnographic research in Tijuana and our long term involvement in a public health study, we suggest that emotions play a central role in sex workers' relationships and contribute in complex ways to each partner's health. We conceptualize Cindy and Beto's relationship as a "dangerous safe haven" in which HIV risk behaviors such as unprotected sex and syringe sharing convey notions of love and trust and help sustain emotional unity amidst broader uncertainties, but nevertheless carry very real health risks. Further attention to how emotions shape vulnerable couples' health remains a task for anthropology.

15.
Am J Public Health ; 105(11): 2356-8, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-26378843

RESUMO

We used retrospective (2012-2013) chart review to examine breast cancer screening among transgender persons and sexual minority women (n = 1263) attending an urban community health center in Massachusetts. Transgender were less likely than cisgender patients and bisexuals were less likely than heterosexuals and lesbians to adhere to mammography screening guidelines (respectively, adjusted odds ratios = 0.53 and 0.56; 95% confidence intervals = 0.31, 0.91 and 0.34, 0.92) after adjustment for sociodemographics. Enhanced cancer prevention outreach is needed among gender and sexual minorities.


Assuntos
Neoplasias da Mama/prevenção & controle , Detecção Precoce de Câncer/estatística & dados numéricos , Grupos Minoritários/estatística & dados numéricos , Cooperação do Paciente/estatística & dados numéricos , Pessoas Transgênero/estatística & dados numéricos , Adulto , Idoso , Neoplasias da Mama/diagnóstico , Feminino , Humanos , Masculino , Mamografia , Massachusetts , Pessoa de Meia-Idade , Estudos Retrospectivos , Sexualidade
16.
Am J Public Health ; 105(8): 1667-74, 2015 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-26066947

RESUMO

OBJECTIVES: We examined correlates of love and trust among female sex workers and their noncommercial male partners along the Mexico-US border. METHODS: From 2011 to 2012, 322 partners in Tijuana and Ciudad Juárez, Mexico, completed assessments of love and trust. Cross-sectional dyadic regression analyses identified associations of relationship characteristics and HIV risk behaviors with love and trust. RESULTS: Within 161 couples, love and trust scores were moderately high (median 70/95 and 29/40 points, respectively) and correlated with relationship satisfaction. In regression analyses of HIV risk factors, men and women who used methamphetamine reported lower love scores, whereas women who used heroin reported slightly higher love. In an alternate model, men with concurrent sexual partners had lower love scores. For both partners, relationship conflict was associated with lower trust. CONCLUSIONS: Love and trust are associated with relationship quality, sexual risk, and drug use patterns that shape intimate partners' HIV risk. HIV interventions should consider the emotional quality of sex workers' intimate relationships.


Assuntos
Infecções por HIV/psicologia , Amor , Profissionais do Sexo/psicologia , Parceiros Sexuais/psicologia , Confiança , Sexo sem Proteção/psicologia , Adulto , Estudos Transversais , Feminino , Infecções por HIV/etiologia , Humanos , Relações Interpessoais , Masculino , México , Profissionais do Sexo/estatística & dados numéricos , Confiança/psicologia , Sexo sem Proteção/estatística & dados numéricos
17.
Am J Epidemiol ; 181(9): 723-31, 2015 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-25769307

RESUMO

Preventing human immunodeficiency virus (HIV) infection and other sexually transmitted infections (STIs) requires an understanding of sexual relationship factors beyond the individual level. We estimated HIV/STI incidence and identified time-varying predictors of STI acquisition in a prospective cohort study of female sex workers and their intimate (noncommercial) male partners in northern Mexico. From 2010 to 2013, couples underwent behavioral and biological assessments biannually for 24 months. Among 413 initially HIV-uninfected participants, 8 seroconverted during follow-up. Incidence of HIV (1.12 cases/100 person-years (PY)), chlamydia (9.47 cases/100 PY), active syphilis (4.01 cases/100 PY), and gonorrhea (1.78 cases/100 PY) was higher among women than among men (HIV: P = 0.069; all STIs combined: P < 0.001). In multivariable conditional logistic regression with individual fixed effects and correlated error terms within couples, risk of STI acquisition was significantly higher among women who had recently used cocaine, crack, or methamphetamine (adjusted odds ratio (OR) = 2.13, 95% confidence interval (CI): 1.07, 4.28). STI risk was lower among women who reported physically assaulting their male partners (adjusted OR = 0.44, 95% CI: 0.22, 0.86) and among men whose female partners had regular sex-work clients (adjusted OR = 0.38, 95% CI: 0.14, 1.03). Improving vulnerable couples' sexual health will require addressing the contexts in which drug use, interpersonal conflict, and economic vulnerability converge.


Assuntos
Infecções por HIV/epidemiologia , Profissionais do Sexo/estatística & dados numéricos , Adulto , Feminino , Humanos , Incidência , Estudos Longitudinais , Masculino , México/epidemiologia , Fatores de Risco
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