Design strategies from sexual exploitation and sex work studies among women and girls: Methodological considerations in a hidden and vulnerable population.
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ABSTRACT:
SUBMITTER: Gerassi L
PROVIDER: S-EPMC5562390 | biostudies-other | 2017 Jun
REPOSITORIES: biostudies-other
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Project description:Globally, female sex workers are a population at greatly elevated risk of HIV infection, and the reasons for and context of sex industry involvement have key implications for HIV risk and prevention. Evidence suggests that experiences of sexual exploitation (i.e., forced/coerced sex exchange) contribute to health-related harms. However, public health interventions that address HIV vulnerability and sexual exploitation are lacking. Therefore, the objective of this study was to elicit recommendations for interventions to prevent sexual exploitation and reduce HIV risk from current female sex workers with a history of sexual exploitation or youth sex work. From 2010-2011, we conducted in-depth interviews with sex workers (n = 31) in Tijuana, Mexico who reported having previously experienced sexual exploitation or youth sex work. Participants recommended that interventions aim to (1) reduce susceptibility to sexual exploitation by providing social support and peer-based education; (2) mitigate harms by improving access to HIV prevention resources and psychological support, and reducing gender-based violence; and (3) provide opportunities to exit the sex industry via vocational supports and improved access to effective drug treatment. Structural interventions incorporating these strategies are recommended to reduce susceptibility to sexual exploitation and enhance capacities to prevent HIV infection among marginalized women and girls in Mexico and across international settings.
| S-EPMC3758274 | biostudies-other
Project description:Genes play a well-documented role in determining normal cognitive function. This paper focuses on reviewing strategies for the identification of common genetic variation in genes that modulate normal and abnormal cognition with a genome-wide association scan (GWAS). GWASs make it possible to survey the entire genome to discover important but unanticipated genetic influences.The use of a quantitative phenotype in combination with a GWAS provides many advantages over a case-control design, both in power and in physiological understanding of the underlying cognitive processes. We review the major features of this approach, and show how, using a General Linear Model method, the contribution of each Single Nucleotide Polymorphism (SNP) to the phenotype is determined, and adjustments then made for multiple tests. An example of the strategy is presented, in which fMRI measures of cortical inefficiency while performing a working memory task are used as the quantitative phenotype. We estimate power under different effect sizes (10-30%) and variations in allelic frequency for a Quantitative Trait (QT) (10-20%), and compare them to a case-control design with an Odds Ratio (OR) of 1.5, showing how a QT approach is superior to a traditional case-control. In the presented example, this method identifies putative susceptibility genes for schizophrenia which affect prefrontal efficiency and have functions related to cell migration, forebrain development and stress response.The use of QT as phenotypes provide increased statistical power over categorical association approaches and when combined with a GWAS creates a strategy for identification of unanticipated genes that modulate cognitive processes and cognitive disorders.
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Project description:BACKGROUND:Younger age at onset of breast development, which has been declining in recent decades, is associated with increased breast cancer risk independent of age at menarche. Given the need to study the drivers of these trends, it is essential to validate methods to assess breast onset that can be used in large-scale studies when direct clinical assessment of breast onset is not feasible. METHODS:Breast development is usually measured by Tanner stages (TSs), assessed either by physical examination or by mother's report using a picture-based Sexual Maturation Scale (SMS). As an alternative, a mother-reported Pubertal Development Scale (PDS) without pictures has been used in some studies. We compared agreement of SMS and PDS with each other (n = 1022) and the accuracy of PDS with clinical TS as a gold standard for the subset of girls with this measure (n = 282) using the LEGACY cohort. We further compared prediction of breast onset using ROC curves and tested whether adding urinary estrone 1-glucuronide (E1G) improved the AUC. RESULTS:The agreement of PDS with SMS was high (kappa = 0.80). The sensitivity of PDS vs clinical TS was 86.6%. The AUCs for PDS alone and SMS alone were 0.88 and 0.79, respectively. Including E1G concentrations improved the AUC for both methods (0.91 and 0.86 for PDS and SMS, respectively). CONCLUSIONS:The PDS without pictures is a highly accurate, sensitive, and specific method for assessing breast onset, especially in settings where clinical TS is not feasible. In addition, it is comparable to SMS methods with pictures and thus easier to implement in large-scale studies, particularly phone-based interviews where pictures may not be available. Urinary E1G can improve accuracy over than PDS or SMS alone.
| S-EPMC5907380 | biostudies-literature
Project description:Understanding the dynamic nature of sex work is important for explaining the course of HIV epidemics. While health and development interventions targeting sex workers may alter the dynamics of the sex trade in particular localities, little has been done to explore how large-scale social and structural changes, such as economic recessions-outside of the bounds of organizational intervention-may reconfigure social norms and attitudes with regards to sex work. Zimbabwe's economic collapse in 2009, following a period (2000-2009) of economic decline, within a declining HIV epidemic, provides a unique opportunity to study community perceptions of the impact of socio-economic upheaval on the sex trade. We conducted focus group discussions with 122 community members in rural eastern Zimbabwe in January-February 2009. Groups were homogeneous by gender and occupation and included female sex workers, married women, and men who frequented bars. The focus groups elicited discussion around changes (comparing contemporaneous circumstances in 2009 to their memories of circumstances in 2000) in the demand for, and supply of, paid sex, and how sex workers and clients adapted to these changes, and with what implications for their health and well-being. Transcripts were thematically analyzed. The analysis revealed how changing economic conditions, combined with an increased awareness and fear of HIV-changing norms and local attitudes toward sex work-had altered the demand for commercial sex. In response, sex work dispersed from the bars into the wider community, requiring female sex workers to employ different tactics to attract clients. Hyperinflation meant that sex workers had to accept new forms of payment, including sex-on-credit and commodities. Further impacting the demand for commercial sex work was a poverty-driven increase in transactional sex. The economic upheaval in Zimbabwe effectively reorganized the market for sex by reducing previously dominant forms of commercial sex, while simultaneously providing new opportunities for women to exchange sex in less formal and more risky transactions. Efforts to measure and respond to the contribution of sex work to HIV transmission need to guard against unduly static definitions and consider the changing socioeconomic context and how this can cause shifts in behavior.
| S-EPMC5321466 | biostudies-other
Project description:BACKGROUND:Definitions of child sexual exploitation vary. Sexual exploitation violates children's rights and exposes them to mental and physical harm. There exist differences in views of behaviour that is considered exploitative, including transactional sex. This paper explores community perspectives on the extent to which transactional sex is considered exploitative. METHODS:In 2014, we conducted 19 focus group discussions and 44 in-depth interviews with young people and adults in two communities in Uganda. Participants were presented with vignettes describing sexual encounters between adolescent girls and young women and men to explore under what conditions participants considered the scenario to be exploitative and why. Interviews were conducted in Luganda using a semi-structured tool, audio recorded and transcribed verbatim. Analysis was thematic and complemented by constant comparison and deviant case analysis techniques. RESULTS:Definitions by multilateral, bilateral, and non-governmental organisations of the sexual exploitation of children shared similarities with community conceptualisations of wrong or unfair sex. Although in community conceptualisations there was no consensus on what constituted sexual exploitation, transactional sex was condemned to the extent to which it involved sex with a minor or misled a naïve or immature girl; involved lack of consent, particularly in relationships characterised by power differentials; or worsened the pre-existing status of the girl. Also relevant was the extent to which a man's intentions were considered inappropriate; the adolescent girl or young woman was considered vulnerable; and the adolescent girl or young woman was considered responsible for 'her situation'. CONCLUSIONS:Existing social norms that condemn sex with a minor or sex that involves deception, sexual coercion or misleading an immature girl, present opportunities to mobilise communities to protect adolescent girls and young women at risk. Any intervention must, however, be designed with full cognisance of the social and structural drivers that underlie transactional sex and limit adolescent girls' and young women's opportunities to provide for themselves without recourse to sexual relationships with men. Interventions must also be designed to recognise that girls in transactional sex relationships may not consider themselves as exploited, thus requiring engagement with them based on their own concerns, aspirations, and expectations.
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Project description:Dogs are increasingly used in a wide range of detection tasks including explosives, narcotics, medical, and wildlife detection. Research on detection dog performance is important to understand olfactory capabilities, behavioral characteristics, improve training, expand deployment practices, and advance applied canine technologies. As such, it is important to understand the influence of specific variables on the quantification of detection dog performance such as test design, experimental controls, odor characteristics, and statistical analysis. Methods for testing canine scent detection vary influencing the outcome metrics of performance and the validity of results. Operators, management teams, policy makers, and law enforcement rely on scientific data to make decisions, design policies, and advance canine technologies. A lack of scientific information and standardized protocols in the detector dog industry adds difficulty and inaccuracies when making informed decisions about capability, vulnerability, and risk analysis. Therefore, the aim of this review is to highlight important methodological issues and expand on considerations for conducting scientifically valid detection dog research.
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Project description:Clinical trial registrationClinicalTrials.gov identifier: NCT03583541.
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Project description:Prior research has examined the high health care needs and vulnerabilities faced by survivors of commercial sexual exploitation (CSE), yet their perspectives are frequently absent. We sought to understand the narratives and views of individuals affected by CSE on their bodies, health, and motivations to seek health care treatment. Twenty-one girls and young women ages 15 to 19 years with self-identified histories of CSE participated in the study. All participants had current or prior involvement in the juvenile justice and/or child welfare systems. Data collection included brief questionnaires, followed by semi-structured individual interviews. The interviews took place between March and July 2017 and were analyzed using iterative and inductive techniques, using the shared decision-making model as a guide. "Fierce Autonomy" emerged as a core theme, depicting how past traumas and absence of control led the girls and young women to exercise agency and reclaim autonomy over decisions affecting their health.
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Project description:Sexual trauma is common. Consequences of sexual trauma can include deterioration of mental and physical health and it can also affect future romantic and sexual relationships. Previous studies have identified common healthy and destructive coping mechanisms to recover after experiencing sexual trauma, but few studies have investigated useful strategies to move into a healthy sexual relationship focused on resilience. In-depth semi-structured interviews were conducted with 41 women with a history of sexual trauma who were in a healthy sexual relationship at the time of participation. Participants provided strategies that helped them move beyond the sexually traumatic event(s) toward a healthy sexual relationship. Reflexive thematic analysis identified 5 effective and 6 ineffective strategies reported by the participants. Rich examples of resilience and empowerment were overarching in the effective strategies used for moving toward healthy sexual relationships. Women were also able to reflect on the strategies that were ineffective for them with kindness and understanding for their coping at that time, a normalizing theme for women working through sexual trauma. The results of this study will help therapists and researchers working with women who have experienced sexual trauma learn from their experiences in working beyond trauma toward a healthy sexual relationship.
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