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Background Some male heterosexual clients prefer to visit a cross-border Female Sex Worker (FSW) because of cheaper sex and unsafe sex practices, and may therefore be at risk for sexually transmitted infections (STI). The objective of this study was to assess whether having commercial cross-border sex is an independent risk factor for being diagnosed with a STI. Methods An observational retrospective study was performed using data of 8 Dutch STI clinics bordering Germany, between 2011 and 2013. All male heterosexual clients of FSWs were selected and data on country of FSW visit and occurrence of STI were used for multivariable regression analysis. Results The study population consisted of 2664 clients of FSW. Most clients visited the Netherlands (82.4%), followed by visits to another country (beyond cross-border) (9.9%) and cross-border visits (7.8%). Clients of FSW were less likely to be STI positive when they were younger than 25 years(OR = 0.6, 95%CI 0.4 to 0.8 25–44 years and OR = 0.5, 95%CI 0.4 to 0.7 older than 45 years), and more likely when they had 20 or more sex partners in the last 6 months (OR = 2.9, 95%CI 1.9 to 4.4), did not use a condom during last sexual contact (OR = 2.2, 95%CI 1.6 to 2.9) and made cross-border visits (OR = 1.7, 95%CI 1.1 to 2.6). Conclusions As cross-border visits appears to be a novel independent risk factor for STI in clients of FSW, this group should therefore be advised on STI prevention.

Over the past three decades, scholars have paid greater attention to the intensification and complex interconnectivity of local and global processes. Anthropological studies of cross-border marriages, migrant domestic workers, and sex workers have burgeoned, demonstrating growing scholarly interest in how social relations have become evermore geographically dispersed, impersonal, mediated by and implicated in broader political-economic or capitalist processes. At the same time, intimate and personal relations—especially those linked to households and domestic units, the primary units associated with reproductive labor—have become more explicitly commodified, linked to commodities and to commodified global processes (i.e., bought or sold; packaged and advertised; fetishized, commercialized, or objectified; consumed; assigned values and prices) and linked in many cases to transnational mobility and migration, presenting new ethnographic challenges and opportunities. This review highlights contemporary anthropological and ethnographic studies of the transnational commodification of intimacy and intimate relations, related debates, themes, and ethnographic challenges.

Background HIV testing is a primary prevention strategy against the HIV epidemic and an entry point for HIV/AIDS-related care, prevention and treatment. This study aimed to estimate the uptake of HIV testing among Sino-Vietnam female sex workers (FSWs) in Guangxi, China, from 2016 to 2018, and to identify the factors influencing HIV testing uptake. Methods A cross-sectional survey was conducted among FSWs in two Sino-Vietnam border cities of Guangxi, China. The survey was conducted through face-to-face interview, the data were collected by a structured questionnaire, and HIV-1 infection was detected simultaneously. Logistic regression analysis was used to determine the factors associated with uptake of HIV testing. Results In total, 4565 Chinese local FSWs (CL-FSWs) and 636 cross-border migrant Vietnamese FSWs (CMV-FSWs) were recruited into this study. HIV-1 prevalence in CL-FSWs and CMV-FSWs was 0.70% and 3.14%, respectively. The rate of self-reported uptake of HIV testing in CL-FSWs and CMV-FSWs was 54.56% and 45.44%, respectively. The rates of self-reported uptake of HIV testing declined in both groups from 2016 to 2018. Logistic regression analysis indicated that a number of factors, including socio-demographic characteristics (age < 35 years, higher education, location in Chongzuo City), behaviour factors (having received free AIDS education, condom distribution services and peer education services, high risk sexual behaviours such as inconsistent condom use, having regular commercial sexual partners, etc.), psychological factors (perception of vulnerability to HIV/STIs, perception of risk for HIV infection) were the factors significantly related to uptake of HIV testing. Conclusion In recent years, the rate of HIV testing uptake among Sino-Vietnam border FSWs in Guangxi, China was low, which may be an important reason for the high HIV-1 prevalence among FSWs in the region. A number of factors were identified to be associated with HIV-1 testing uptake, suggesting that HIV testing prevention strategies in this region could include accelerating AIDS education training, raising personal awareness of HIV testing, and improving accessibility of HIV testing.

Despite the effectiveness of male condoms, many Female Sex Workers (FSWs) report using condoms infrequently with multiple clients during sexual activity. As such, inconsistent condom use by FSWs is a public health concern as it can increase STI and HIV transmission. This systematic review synthesized extant evidence regarding barriers to condom use experienced by FSWs in the U.S and U.S. – Mexico border towns. The search was conducted through PubMed, CINAL, Cochrane, Medline, and PsychInfo. Studies were included if: they were conducted in the U.S. or U.S. – Mexico borders, their target population was FSWs, they examined condom use barriers experienced by FSWs, and they were published in English between 2011 and February 2021. Condom use barriers among FSWs were reported in all the articles including alcohol consumption and drug use before sex, venue stability, socio-economic status vulnerability, violence and gendered power dynamics, trust of regular clients, and age. The review findings indicate the need to develop interventions promoting condom use for both FSWs and their clients, as well as alternative interventions for HIV prevention such as pre-exposure prophylaxis (PrEP).

Examine relationships of healthy and unhealthy dietary patterns with BMI, sex, age and acculturation among Mexican Americans. Cross-sectional. Participants completed culturally tailored Healthy and Unhealthy Eating Indices. Multivariable mixed-effect Poisson regression models compared food pattern index scores and dietary intake of specific foods by BMI, sex, age and acculturation defined by language preference and generational status. Participants recruited from the Cameron County Hispanic Cohort study, Texas-Mexico border region, between 2008 and 2011. Mexican-American males and females aged 18-97 years (n 1250). Participants were primarily female (55·3 %), overweight or obese (85·7 %), preferred Spanish language (68·0 %) and first-generation status (60·3 %). Among first-generation participants, bilingual participants were less likely to have a healthy eating pattern than preferred Spanish-speaking participants (rate ratio (RR)=0·79, P=0·0218). This association was also found in males (RR=0·81, P=0·0098). Preferred English-speaking females were less likely to consume healthy foods than preferred Spanish-speaking females (RR=0·84, P=0·0293). Among second-generation participants, preferred English-speaking participants were more likely to report a higher unhealthy eating pattern than preferred Spanish-speaking participants (RR=1·23, P=0·0114). Higher unhealthy eating patterns were also found in females who preferred English v. females who preferred Spanish (RR=1·23, P=0·0107) or were bilingual (RR=1·26, P=0·0159). Younger, male participants were more likely to have a higher unhealthy eating pattern. BMI and diabetes status were not significantly associated with healthy or unhealthy eating patterns. Acculturation, age, sex and education are associated with healthy and unhealthy dietary patterns. Nutrition interventions for Mexican Americans should tailor approaches by these characteristics.

In cross-border areas of East Africa, sexual networks include partnerships across resident, migrant, and mobile populations, and risky behaviors can coincide with fragmented health services given the challenges of cross-border coordination. Among those most at risk are female sex workers (FSWs). We map HIV prevalence among FSWs in 14 cross-border areas, estimate associations between FSW characteristics and HIV and undiagnosed HIV, and estimate progress towards the UNAIDS 90–90–90 targets. The 2016–2017 East Africa Cross-Border Integrated Health Study recruited 4040 women; 786 were classified as FSWs. Overall HIV prevalence among FSWs was 10.8% (95% CI 8.2%, 13.3%), though area-specific estimates varied considerably. Among FSWs living with HIV, 46.1% (95% CI 33.2%, 59.0%) knew their status, 80.6% (95% CI 66.3%, 94.9%) of FSWs who knew their status were on ART, and 84.8% (95% CI 66.1%, 100.0%) of FSWs on ART were virally suppressed. Results indicate a need for expanded HIV testing.

Background Because of the nature of their work, female sex workers are at risk of sexually transmitted diseases. Cross-border areas are places where this situation becomes worse. In Ethiopia, there has been a serious scarcity of studies on the time at which unsafe sexual practice starts and on factors which determine the practice among female sex workers there. Therefore, this study aimed to fill this identified gap. Method A total of 467 women who had been sex workers at least for three months prior to the resumption of the study were included. A structured and pre-tested questionnaire was used to collect data from July-August, 2010. Descriptive statistics was used to explore the data, and the Extended Cox-Regression model was employed to identify the predictors of time-to-unsafe sexual practice. Result The study participants were followed for 6, 643 person-months. The overall incidence density of unsafe sexual practice was 44.71 persons per 1000 persons-months. The hazard of unsafe sexual practice increased by 3.0 % every month (p-value =0.040) due to problem-drinking. Those female sex workers with familiarized clients had a two-fold hazard of practicing unsafe sex compared to their counterparts (AHR = 1.94 95 % CI 1.49, 2.53). The predominant sexual client type and the work place of sex workers were the other significant predictors of unsafe sexual practice. Conclusions The incidence of unsafe sexual practice was found to be high among sex workers in the cross-border area. Time-to-unsafe sexual practice was significantly associated with female sex workers’ status of familiarity with their clients, predominant sexual client type, their work place, and the interaction term of time and problem-drinking. Interventions need to be made on these controllable social and behavioral characteristics to help sex workers extend the duration of their safe sexual practice beyond the time they will quit sex work.

The economic, social, cultural and political milieus that influence injection drug-related HIV risk behaviors along the US–Mexico border in the previous decade have been studied comparing cities on an East–West axis. In an effort to inform interventions targeting factors beyond the individual level, we used a cross-sectional study design comparing people who inject drugs during 2016–2018, living on a North–South axis, in two cities—Ciudad Juárez, Chihuahua, Mexico and El Paso, Texas, USA—situated at the midpoint of the 2000 US–Mexico borderland stretch. We conceptualize injection drug use and its antecedents and consequences as influenced by factors operating at various levels of influence. Results of analysis comparing samples recruited from each border city indicated significant differences in demographic, socioeconomic, micro- and macro-level factors that affect risk. Similarities emerged in individual-level risk behaviors and some dynamics of risk at the drug use site most frequented to use drugs. In addition, analyses testing associations across samples indicated that different contextual factors such as characteristics of the drug use sites influenced syringe sharing. In this article, we reflect on the potential tailored interventions needed to target the context of HIV transmission risk among people who use drugs and reside in binational environment.

Introduction East African cross‐border areas are visited by mobile and vulnerable populations, such as men, female sex workers, men who have sex with men, truck drivers, fisher folks and young women. These groups may not benefit from traditional HIV prevention interventions available at the health facilities where they live, but may benefit from services offered at public venues identified as places where people meet new sexual partners (e.g. bars, nightclubs, transportation hubs and guest houses). The goal of this analysis was to estimate availability, access and uptake of prevention services by populations who visit these venues. Methods We collected cross‐sectional data using the Priorities for Local AIDS Control Efforts sampling method at cross‐border locations near or along the land and lake borders of Kenya, Rwanda, Tanzania and Uganda from June 2016–February 2017. This bio‐behavioural survey captured information from a probability sample of 11,428 individuals at 833 venues across all areas. Data were weighted using survey sampling weights and analysed using methods to account for the complex sampling design. Results Among the 85.6% of persons who had access to condoms, 60.5% did not use a condom at their last anal or vaginal sexual encounter. Venues visited by high percentages of persons living with HIV were not more likely than other venues to offer condoms. In 12 of the 22 cross‐border areas, male or female condoms were available at less than 33% of the venues visited by persons having difficulty accessing condoms. In 17 of the 22 cross‐border areas, education outreach visits in the preceding six months occurred at less than 50% of the venues where participants had low effective use of condoms. Conclusions Individuals visiting venues in cross‐border areas report poor access to and low effective use of condoms and other prevention services. Availability of HIV prevention services differed by venue and population type and cross‐border area, suggesting opportunities for more granular targeting of HIV prevention interventions and transnational coordination of HIV programming.

Background Sexual and gender-based violence (SGBV) is a significant issue in the context of armed conflict and migration. The ongoing conflict in Sudan has led to catastrophic levels of SGBV, with widespread documentation of a range of severe and systematic abuses. This study examines the relationship between SGBV and migration in this region, with a particular focus on how it affects women and girls. Methods A cross-sectional, mixed-methods study was conducted in July 2024 using a ‘sensemaking’ approach among migrants crossing from Sudan to South Sudan at the Aweil North border crossing. Participants, both women and men aged 13 and older, shared brief narratives about migration experiences and interpreted them through quantitative questions. Data were analysed using descriptive statistics, geometric means and confidence intervals for triad data, and violin plots for slider questions. Qualitative data were used to complement and illustrate quantitative findings. Results A total of 695 self-interpreted micronarratives were collected from 671 unique participants. Findings revealed that SGBV is a significant driver of migration from Sudan to South Sudan, with 53.1% of participants indicating it as a major factor in their decision to migrate. Adolescent girls were statistically more likely to cite SGBV as the primary reason for migration compared to older women. Participants perceived reception centers in South Sudan as relatively safer compared to Sudan but reported significant challenges in accessing basic needs such as food, shelter, and medical care with approximately 82% struggling to make ends meet all or most of the time. Conclusions SGBV is an important driver of migration from Sudan to South Sudan, especially among adolescent girls. These findings highlight the urgent need for comprehensive SGBV prevention and response services in Sudan, particularly for adolescents. In South Sudan, economic empowerment programs and basic needs assistance for returnees are crucial to mitigate the risks of further sexual exploitation and abuse. Future research should focus on evaluating SGBV prevention and response interventions and exploring intersectional factors affecting SGBV experiences.