383 research outputs found

    Is transactional sex exploitative? A social norms perspective, with implications for interventions with adolescent girls and young women in Tanzania

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    Although transactional sex is common in many sexual relationships, there has been little research into the degree to which the practice is considered exploitative in the settings in which it is practiced. We describe the social norms that influence transactional sex in two sites in Mwanza, Tanzania, and explore local understandings of whether and under what conditions it is considered exploitative. We then compare these "emic" understandings of exploitation to international definitions and norms around sexual exploitation. This study employed a qualitative research design involving 18 focus group discussions and 43 in-depth interviews with young people aged 14-24 years and parents with children aged 14-24 years in a rural area and an urban center within Mwanza, Tanzania. Thematic analysis was conducted with the aid of NVivo 10. The social norms influencing the practice of transactional sex included: reciprocity as a core cultural value that permeates the way exchange in sexual relationships is judged; gendered expectations that men should provide for women's material needs in sexual relationships and that women should reciprocate by means of sex; and peer pressure to be perceived as "fashionable". Adolescent girls and young women (AGYW) are under strong peer pressure to conform to a "modern lifestyle" as reflected in stylish clothing and other items of modernity such as cellphones. The emic conceptualization of exploitation is defined by circumstances surrounding the relationship or a sexual encounter. Important factors that characterize local notions of when transactional relationships are considered exploitative include: when the encounter or relationship involves an imbalance of power (based on age, male economic power and social status); when a man fails to reciprocate; and when sex is coerced. According to community perspectives, young women's behavior should be considered exploitative of men when they take gifts or money yet refuse sex or when they demand large sums of money. Interventions aimed at reducing AGYW's exploitation through transactional sex need to be cognizant of the variations in the understanding of what constitutes sexual exploitation as well as the social and gender norms influencing the practice of transactional sex. Interventions need to involve communities and families in critical thinking that helps them identify positive alternatives to current gendered social norms that shape the involvement of AGYW and men in transactional sex

    'I trap her with a CD, then tomorrow find her with a big old man who bought her a smart phone'. Constructions of masculinities and transactional sex: a qualitative study from North-Western Tanzania

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    Men’s role in transactional sex is relatively unexplored, limiting initiatives to prevent exploitative transactional sex and its negative health implications for girls and women. We addressed this literature gap by conducting eight focus group discussions and twenty in-depth-interviews with boys and men aged 14 − 49 years in 2015 in Tanzania. We employed a novel combination of theoretical perspectives – gender and masculinities, and social norms – to understand how transactional sex participation contributes to perpetuating gendered hierarchies, and how reference groups influence men’s behaviour. Findings signal two gender norms that men display within transactional sex: the expectation of men’s provision in sexual relationships, and the expectation that men should exhibit heightened sexuality and sexual prowess. Adherence to these expectations in transactional sex relationships varied between older and younger men and created hierarchies among men and between men and women and girls. We found that approval of transactional sex was contested. Although young men were likely to object to transactional sex, they occupied a structurally weaker position than older men. Findings suggest that interventions should employ gender synchronised and gender transformative approaches and should prioritise the promotion of alternative positive norms over preventing the exchange of gifts or money in relationships

    Some identities on derangement and degenerate derangement polynomials

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    In combinatorics, a derangement is a permutation that has no fixed points. The number of derangements of an n-element set is called the n-th derangement number. In this paper, as natural companions to derangement numbers and degenerate versions of the companions we introduce derangement polynomials and degenerate derangement polynomials. We give some of their properties, recurrence relations and identities for those polynomials which are related to some special numbers and polynomials.Comment: 12 page

    Community perspectives on the extent to which transactional sex is viewed as sexual exploitation in Central Uganda.

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    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 naĂŻve 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

    Dysphoric milk ejection reflex: A case report

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    Dysphoric Milk Ejection Reflex (D-MER) is an abrupt emotional "drop" that occurs in some women just before milk release and continues for not more than a few minutes. The brief negative feelings range in severity from wistfulness to self-loathing, and appear to have a physiological cause. The authors suggest that an abrupt drop in dopamine may occur when milk release is triggered, resulting in a real or relative brief dopamine deficit for affected women. Clinicians can support women with D-MER in several ways; often, simply knowing that it is a recognized phenomenon makes the condition tolerable. Further study is needed

    Relativistic ejecta from XRF 060218 and the rate of cosmic explosions

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    Over the last decade, long-duration gamma-ray bursts (GRBs) including the subclass of X-ray flashes (XRFs) have been revealed to be a rare variety of Type Ibc supernova (SN). While all these events result from the death of massive stars, the electromagnetic luminosities of GRBs and XRFs exceed those of ordinary Type Ibc SNe by many orders of magnitude. The essential physical process that causes a dying star to produce a GRB or XRF, and not just an SN, remains the crucial open question. Here we present radio and X-ray observations of XRF 060218 (associated with SN 2006aj), the second nearest GRB identified to-date, which allow us to measure its total energy and place it in the larger context of cosmic explosions. We show that this event is 100 times less energetic but ten times more common than cosmological GRBs. Moreover, it is distinguished from ordinary Type Ibc SNe by the presence of 10^48 erg coupled to mildly-relativistic ejecta, along with a central engine (an accretion-fed, rapidly rotating compact source) which produces X-rays for weeks after the explosion. This suggests that the production of relativistic ejecta is the key physical distinction between GRBs/XRFs and ordinary SNe, while the nature of the central engine (black hole or magnetar) may distinguish typical bursts from low-luminosity, spherical events like XRF 060218.Comment: To appear in Nature on August 31 2006 (15 pages, 3 figures, 1 table, including Supplementary Information

    An apparently normal gamma-ray burst with an unusually low luminosity

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    Much of progress in gamma-ray bursts has come from the studies of distant events (redshift z~1). The brightest GRBs are the most collimated events and seen across the Universe due to their brilliance. It has long been suspected that nearest (and most common) events have been missed because they are not so collimated or under-energetic or both. Here we report soft gamma-ray observations of GRB 031203, the nearest event to date (z=0.106). This event with a duration of 40 s and peak energy of >190 keV appears to be a typical long duration GRB. However, the isotropic gamma-ray energy <~10^50 erg, about three orders of magnitude smaller than the cosmological population. This event as well as the other nearby but somewhat controversial event GRB 980425 are clear outliers for the much discussed isotropic-energy peak-energy relation and luminosity spectral-lag relations. Radio calorimetry shows that both these events are under-energetic explosions. We conclude that there does indeed exist a large population of under-energetic events.Comment: 11 pages, 3 figure

    Recombinant activated factor VII (Novo7Âź) in patients with ventricular assist devices: Case report and review of the current literature

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    Postoperative bleeding might become a serious problem in the management of cardiac surgical patients, with marked medical and economic impact. In these life-threatening situations, massive haemorrhage represents frequently a combination of surgical and coagulopathic bleeding. Surgical bleeding results from a definite source at the operation site and can be corrected using surgical standard techniques. Acute coagulopathies, in contrast, result from impaired thrombin formation, and require optimized therapeutical strategies. Effective pharmacological treatment will be complicated by the presence of ventricular assist devices (VAD), which necessarily imply effective anticoagulation

    Predicting restoration of kidney function during CRRT-free intervals

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    <p>Abstract</p> <p>Background</p> <p>Renal failure is common in critically ill patients and frequently requires continuous renal replacement therapy (CRRT). CRRT is discontinued at regular intervals for routine changes of the disposable equipment or for replacing clogged filter membrane assemblies. The present study was conducted to determine if the necessity to continue CRRT could be predicted during the CRRT-free period.</p> <p>Materials and methods</p> <p>In the period from 2003 to 2006, 605 patients were treated with CRRT in our ICU. A total of 222 patients with 448 CRRT-free intervals had complete data sets and were used for analysis. Of the total CRRT-free periods, 225 served as an evaluation group. Twenty-nine parameters with an assumed influence on kidney function were analyzed with regard to their potential to predict the restoration of kidney function during the CRRT-free interval. Using univariate analysis and logistic regression, a prospective index was developed and validated in the remaining 223 CRRT-free periods to establish its prognostic strength.</p> <p>Results</p> <p>Only three parameters showed an independent influence on the restoration of kidney function during CRRT-free intervals: the number of previous CRRT cycles (medians in the two outcome groups: 1 vs. 2), the "Sequential Organ Failure Assessment"-score (means in the two outcome groups: 8.3 vs. 9.2) and urinary output after the cessation of CRRT (medians in two outcome groups: 66 ml/h vs. 10 ml/h). The prognostic index, which was calculated from these three variables, showed a satisfactory potential to predict the kidney function during the CRRT-free intervals; Receiver operating characteristic (ROC) analysis revealed an area under the curve of 0.798.</p> <p>Conclusion</p> <p>Restoration of kidney function during CRRT-free periods can be predicted with an index calculated from three variables. Prospective trials in other hospitals must clarify whether our results are generally transferable to other patient populations.</p

    Intimate partner violence against women in an economically vulnerable urban area, Central-West Brazil

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    OBJETIVO: Estimar a prevalĂȘncia de tipos de violĂȘncia e de comportamentos de controle praticados por parceiros Ă­ntimos contra mulheres residentes em ĂĄrea economicamente vulnerĂĄvel. MÉTODOS: Conduziu-se estudo transversal com 278 mulheres de 15 a 49 anos que tiveram parceiros Ă­ntimos alguma vez na vida, residentes em uma ĂĄrea metropolitana de BrasĂ­lia, DF, em 2007. Utilizou-se processo de amostragem aleatĂłria sistemĂĄtica. O instrumento de pesquisa constou de um questionĂĄrio com 58 perguntas desenvolvido pela Organização Mundial de SaĂșde. Foram analisadas as prevalĂȘncias de violĂȘncia fĂ­sica, psicolĂłgica e sexual. As variĂĄveis independentes consideradas foram caracterĂ­sticas sociodemogrĂĄficas da mulher, de contexto familiar e comunitĂĄrio bem como as sociodemogrĂĄfi cas do parceiro, de comportamento (freqĂŒĂȘncia do uso de bebidas ou drogas ilĂ­citas e relacionamento extraconjugal). RESULTADOS: A prevalĂȘncia de violĂȘncia psicolĂłgica foi a mais alta: 80,2% (n=223) das mulheres entrevistadas relataram pelo menos um ato no decorrer da vida e 50% (n=139) nos Ășltimos 12 meses. A prevalĂȘncia de violĂȘncia fĂ­sica ao longo da vida foi (58,6%) e nos Ășltimos 12 meses (32%), enquanto a prevalĂȘncia de mulheres que sofreram violĂȘncia sexual foi de 28,8% e 15,5%, respectivamente. CONCLUSÕES: As altas prevalĂȘncias das violĂȘncias mostram a magnitude da vulnerabilidade e das agressĂ”es praticadas contra mulheres nas relaçÔes com parceiros Ă­ntimos.OBJECTIVE: To estimate the prevalence of gender-based controlling behavior and types of violence committed by intimate partners against women living in an economically vulnerable area. METHODS: A cross-sectional study was performed with 278 women aged between 15 and 49 years, who had had at least one male intimate partner in their lives and lived in a metropolitan area of the city of BrasĂ­lia, Central-West Brazil, in 2007. Systematic random sampling process was used. The research instrument consisted of a questionnaire with 58 questions, developed by the World Health Organization. Prevalences of physical, psychological and sexual violence were analyzed. Independent variables considered were women’s sociodemographic, family and community context characteristics, in addition to their partners’ sociodemographic and behavior characteristics (frequency of alcohol or illicit drug use and extra-marital relationship). RESULTS: The highest prevalence was that of psychological violence: 80.2% (n=223) of the women interviewed reported at least one act throughout their lives and 50% (n=139) in the last 12 months. Prevalence of physical violence was 58.6% throughout life and 32% in the last 12 months, whereas those of sexual violence were 28.8% and 15.5%, respectively. CONCLUSIONS: High prevalences of violence show the magnitude of vulnerability and aggressions committed against women in relationships with intimate partners
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