Articles tagged as "Gender"

Hormonal contraception

Use of hormonal contraceptives and risk of HIV-1 transmission: a prospective cohort study

Renee Heffron, Deborah Donnell, Prof Helen Rees, Connie Celum, Nelly Mugo, Edwin Were, Guy de Bruyn, Edith Nakku-Joloba, Kenneth Ngure, James Kiarie, Robert W Coombs, Jared M Baeten, The Lancet Infectious Diseases, Early Online Publication, 4 October 2011

Hormonal contraceptives are used widely but their effects on HIV-1 risk are unclear. Heffron and colleagues aimed to assess the association between hormonal contraceptive use and risk of HIV-1 acquisition by women and HIV-1 transmission from HIV-1-infected women to their male partners. In this prospective study, they followed up 3790 heterosexual HIV-1-serodiscordant couples participating in two longitudinal studies of HIV-1 incidence in seven African countries. Among injectable and oral hormonal contraceptive users and non-users, they compared rates of HIV-1 acquisition by women and HIV-1 transmission from women to men. The primary outcome measure was HIV-1 seroconversion. Cox proportional hazards regression and marginal structural modelling were used to assess the effect of contraceptive use on HIV-1 risk. Among 1314 couples in which the HIV-1-seronegative partner was female (median follow-up 18·0 [IQR 12·6–24·2] months), rates of HIV-1 acquisition were 6·61 per 100 person-years in women who used hormonal contraception and 3·78 per 100 person-years in those who did not (adjusted hazard ratio 1·98, 95% CI 1·06–3·68, p=0·03). Among 2476 couples in which the HIV-1-seronegative partner was male (median follow-up 18·7 [IQR 12·8–24·2] months), rates of HIV-1 transmission from women to men were 2·61 per 100 person-years in couples in which women used hormonal contraception and 1·51 per 100 person-years in couples in which women did not use hormonal contraception (adjusted hazard ratio 1·97, 95% CI 1·12–3·45, p=0·02). Marginal structural model analyses generated much the same results to the Cox proportional hazards regression. Women should be counselled about potentially increased risk of HIV-1 acquisition and transmission with hormonal contraception, especially injectable methods, and about the importance of dual protection with condoms to decrease HIV-1 risk. Non-hormonal or low-dose hormonal contraceptive methods should be considered for women with or at-risk for HIV-1.

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Editor’s note: The issue of hormonal contraception and HIV risk continues to perplex. Observational studies have both suggested a link and not found one. This study of HIV serodiscordant couples was not specifically designed to examine this issue and had too few women on contraceptive pills to draw any conclusions. However, a doubling of the risk of HIV acquisition for HIV-negative women using injectable DMPA (depot-medroxyprogesterone acetate) and a doubling of the risk of HIV transmission from HIV-positive women using DMPA to their seronegative partners are cause for concern. Contraception improves the health of women and children worldwide and it plays a crucial role in helping women with, or at risk of, HIV infection to prevent the adverse social and health consequences of unintended pregnancies. WHO and partners are convening a technical consultation in early 2012 to re-examine the totality of evidence on the potential effects of hormonal contraception and of intrauterine devices on HIV acquisition, disease progression, and infectivity/transmission to sexual partners. The need to conduct randomized controlled trials to determine whether hormonal contraception increases the risk of HIV acquisition in women and/or of HIV transmission to men will be assessed, along with feasibility. In the meantime, we need to reinforce the importance of correct and consistent condom use, regardless of whether another method of contraception is being used. It is and has been for decades the ‘dual protection’ message.

Gender
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Mobility

Cruising for truckers on highways and the internet: sexual networks and infection risk

Apostolopoulos Y, Sönmez S, Shattell M, Kronenfeld J, Smith D, Stanton S. AIDS Educ Prev. 2011 Jun;23(3):249-66.

Empirical evidence on the heterosexual partnerships of long-haul truckers suggests connections among occupational stressors, substance misuse, structural factors, and risk for sexually transmitted infections and HIV. Yet the potential risks associated with same-sex partnerships of truckers and truckchasers (men who specifically cruise for truckers) remain largely unknown. Drawing from diverse sources as well as primary and secondary data from 173 truckers and "truckchasers," Apostolopoulos and colleagues discuss how trucking and cruising contexts, in conjunction with Internet fora, jointly create a risk-enabling environment for truckers and their sex contacts. Findings point toward an elusive but extensive sexual network that spans across the Internet and highways and takes advantage of truckers' mobility as it bridges disparate epidemiological spaces and populations. The delineation of cruising within the hypermasculine occupational sector of trucking adds new insights to the study of sexual health, which is particularly important considering the risk-laden sex contacts of truckers and truckchasers and potential for infection spread.

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Editor’s note: When we think of highways as sexual marketplaces, we may think of the trans-African highways or of India’s National Highway 8 that links New Delhi to Mumbai. This article addresses the sexual risk environment of the hypermasculine subculture of the US trucking sector, in which truckers are perceived as ‘the last of the modern cowboys’, traversing the country alone on 18-wheelers, embodying manliness. Truckchasers are men who are drawn to truckers, arranging their lives around opportunities for sexual contact with them. Access to the Internet at trucking terminals, truck stops, and in truck cabs provides opportunities for arranging anonymous in–person hook-ups along highways, enabled by truckers’ mobility and their CB (citizens’ band) short-distance radios. There are specific social network sites, listservs, chat rooms, and bulletin boards for truckers and truckchasers to meet virtually and arrange sex in wooded highway rest stops, public toilets, picnic areas, and truck stops. This ethnographic research suggests that condoms are rarely used in these anonymous sexual encounters, increasing the risk that straight-identified truckers and bisexual truckchasers may transmit HIV and sexually transmitted infections to their female sexual partners with whom unprotected sex is the norm. This baseline assessment calls out for innovative web-based risk reduction approaches aimed at normalising safer sex practices as the truly masculine thing in this cruising milieu.

Gender
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Condoms

Everywhere you go, everyone is saying condom, condom. But are they being used consistently? Reflections of South African male students about male and female condom use

Mantell JE, Smit JA, Beksinska M, Scorgie F, Milford C, Balch E, Mabude Z, Smith E, Adams-Skinner J, Exner TM, Hoffman S, Stein ZA. Health Educ Res. 2011 Jun 21. [Epub ahead of print]

Young men in South Africa can play a critical role in preventing new human immunodeficiency virus (HIV) infections, yet are seldom targeted for HIV prevention. While reported condom use at last sex has increased considerably among young people, consistent condom use remains a challenge. In this study, 74 male higher education students gave their perspectives on male and female condoms in 10 focus group discussions. All believed that condoms should be used when wanting to prevent conception and protect against HIV, although many indicated that consistent condom use was seldom attained, if at all. Three possible situations for not using condoms were noted: (i) when sex happens in the heat of the moment and condoms are unavailable, (ii) when sexual partnerships have matured and (iii) when female partners implicitly accept unprotected sex. Men viewed it as their responsibility to have male condoms available, but attitudes about whose decision it was to initiate condom use were mixed. Almost all sexually active men had male condom experience; however, very few had used female condoms. Prevention initiatives should challenge traditional gendered norms that underpin poor condom uptake and continued use and build on the apparent shifts in these norms that are allowing women greater sexual agency.

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Editor’s note: This article’s verbatim quotes from the focus group discussions among male students at a higher education institution in South Africa make for interesting reading. The overall sexual script that emerges is that men expect women to refuse or resist sex without a condom. They understand that women expect men to acquire, carry, and use the male condom, whether or not it is discussed or requested beforehand. However, a woman not asking if the man has a condom implies that she is not sufficiently worried about HIV risks and doesn’t care. If sex proceeds without condom use, women who then propose it later in the relationship may be signifying mistrust or having been unfaithful. As for the female condom, its use should be initiated by the woman because ‘until girls are proud of the female condom we will never use them’. However, some men believed that condom use was no longer exclusively their responsibility, reflecting a reshaping of gender norms in this age group that has grown up half under Apartheid and half in the transition to democracy. Recognising women’s growing independence and power in post-Apartheid South Africa, the researchers recommend concrete actions to strengthen HIV prevention among young people, including reinforcing positive, less risky forms of masculinity and increasing women’s agency and bargaining power over their sexual lives.

Gender
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Hormonal contraception and disease progression

Hormonal contraceptive use and HIV disease progression among women in Uganda and Zimbabwe

Morrison CS, Chen PL, Nankya I, Rinaldi A, Van Der Pol B, Ma YR, Chipato T, Mugerwa R, Dunbar M, Arts E, Salata RA. J Acquir Immune Defic Syndr. 2011;57(2):157-164.

HIV-infected women need highly effective contraception to reduce unintended pregnancies and mother-to-child HIV transmission. Previous studies report conflicting results regarding the effect of hormonal contraception on HIV disease progression. HIV-infected women in Uganda and Zimbabwe were recruited immediately after seroconversion; CD4 testing and clinical exams were conducted quarterly. The study endpoint was time to AIDS (two successive CD4 <200 cells/mm3 or WHO advanced stage 3 or stage 4 disease). Morrison and colleagues used marginal structural Cox survival models to estimate the effect of cumulative exposure to depot-medroxyprogesterone acetate (DMPA) and oral contraceptives on time to AIDS. 303 HIV-infected women contributed 1,408 person-years (py). 111 women (37%) developed AIDS. Cumulative probability of AIDS was 50% at 7 years and did not vary by country. AIDS incidence was 6.6, 9.3 and 8.8 per 100py for DMPA, oral contraceptive and non-hormonal users. Neither DMPA (adjusted hazard ratio (AHR) = 0.90; 95% CI 0.76-1.08) nor oral contraceptives (AHR =1.07; 95% CI 0.89-1.29) were associated with HIV disease progression. Alternative exposure definitions of hormonal contraception use during the year prior to AIDS or at time of HIV infection produced similar results. STI symptoms were associated with faster progression while young age at HIV infection (18-24 years) was associated with slower progression. Adding baseline CD4 level and setpoint viral load to models did not change the hormonal contraception results but subtype D infection became associated with disease progression. Hormonal contraceptive use was not associated with more rapid HIV disease progression but older age, STI symptoms and subtype D infection were.

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Editor’s note: This study contributes importantly to the conflicting results and debates about the safety of various contraceptive methods in women living with HIV who do not want to become pregnant. It is a prospective study that followed women who were seeking family planning services from the time that they seroconverted—they were being followed every 12 weeks in another study so HIV infection was accurately timed—until AIDS or a combined endpoint of AIDS, start of antiretroviral therapy, or death. About two-thirds of the women used hormonal contraception in the form of DMPA injections or oral contraceptives and overall study retention levels were high. As would be expected, younger age and higher baseline CD4 cell count were associated with slower progression and higher viral set point with faster progression. No association was seen between the use of hormonal contraception at the time of HIV acquisition and disease progression nor was one seen for either cumulative hormonal contraceptive use thereafter or use of hormonal contraception in the year before diagnosis of AIDS. A consensus meeting to examine the entire body of research on the use of hormonal contraception and HIV is needed to better understand why some studies show associations while others do not. Until then, these results suggest that women living with HIV can safely use hormonal contraception to prevent pregnancy.

Gender
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Gender

Community-level gender equity and extramarital sexual risk-taking among married men in eight African countries

Stephenson R. Int Perspect Sex Reprod Health. 2010 Dec;36(4):178-88

In many parts of Africa, women are most likely to become infected with HIV by having unprotected sex with their husbands, who may have acquired the virus through extramarital sex. However, the ways in which aspects of community environments—particularly those related to gender equity—shape men's extramarital sexual risk-taking are not well understood. Demographic and Health Survey data from eight African countries (Chad, Ghana, Malawi, Nigeria, Tanzania, Uganda, Zambia and Zimbabwe) were used to examine associations between married men's engaging in risky extramarital sex (i.e., having had both unprotected sex and extramarital sex) and indicators of gender equity and other community characteristics. Separate multilevel logistic regression models that incorporated individual, household, and community measures were created for each country. In five countries, men who lived in communities with more equal ratios of women to men with at least a primary education were less likely to report risky extramarital sexual activity (odds ratios, 0.4-0.6). A similar relationship was found in four countries for the ratio of women to men who were employed (0.4-0.5). In three countries, men who lived in communities with more conservative attitudes toward wife-beating or male decision making had elevated odds of extramarital sexual risk-taking (1.1-1.5). While HIV prevention programmes should focus on reducing gender inequities, they also need to recognize the conservative cultural factors that influence the formation of men's masculine identities and, in turn, affect their sexual behaviour.

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Editors’ note: Men will play a key role in reducing HIV transmission in Africa when they understand the extent to which their concepts of masculinity and masculine identity have been socioculturally and economically defined and they decide to do something about it. This interesting analysis explored the factors associated with men’s risky extramarital sex in 8 countries—behaviour that is often more about ideas of masculinity than about sex. This study found that community dimensions of gender equity and economics define a social environment that encourages and facilitates risky extramarital sex—or protect against it. Traditional masculinities that prescribe greater autonomy for men and the financial and social dependence of women on them are sustained by the lack of opportunities for women in education and employment. For example, when early marriage and childbearing are encouraged there are opportunity costs for women because it is more difficult for them to accrue social capital, reflected in two community measures of social capital—gender ratios in employment and education. Women are better able to take advantage of opportunities for economic and social advancement when they marry later and delay their first birth. This study found that living in a community with a more equal ratio of employed women to employed men was associated with a decreased odds of men reporting risky extramarital sex in Chad, Nigeria, Tanzania, and Zimbabwe. The extent of men’s engagement in risky extramarital sex varied significantly across the 8 countries and it was not possible to fully explain the range of factors shaping men’s sexual risk-taking. However, programmes that focus on countering the differential access to resources for men and women need to be complemented by efforts to recognize and address cultural influences on men’s identity formation and sexual behaviour for communities to initiate new sexual norms to reduce HIV transmission.

Gender
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Gender

No association between HIV and intimate partner violence among women in 10 developing countries

Harling G, Msisha W, Subramanian SV. PLoS One. 2010 Dec 8;5(12):e14257

Intimate partner violence has been reported to be a determinant of women's risk for HIV. The authors examined the relationship between women's self-reported experiences of intimate partner violence in their most recent relationship and their laboratory-confirmed HIV serostatus in ten low- to middle-income countries. Data for the study came from the most recent Demographic and Health Surveys conducted in Dominican Republic, Haiti, India, Kenya, Liberia, Malawi, Mali, Rwanda, Zambia and Zimbabwe. Each survey population was a cross-sectional sample of women aged 15-49 years. Information on intimate partner violence was obtained by a face-to-face interview with the mother with an 81.1% response rate; information on HIV serostatus was obtained from blood samples with an 85.3% response rate. Demographic and socioeconomic variables were considered as potentially confounding covariates. Logistic regression models accounting for multi-stage survey design were estimated individually for each country and as a pooled total with country fixed effects (n = 60,114). Country-specific adjusted odds ratios for physical or sexual intimate partner violence compared to neither ranged from 0.45 [95% confidence interval (CI): 0.23-0.90] in Haiti to 1.35 [95% CI: 0.95-1.90] in India; the pooled association was 1.03 [95% CI: 0.94-1.13]. Country-specific adjusted odds ratios for physical and sexual intimate partner violence compared to no sexual intimate partner violence ranged from 0.41 [95% CI: 0.12-1.36] in Haiti to 1.41 [95% CI: 0.26-7.77] in Mali; the pooled association was 1.05 [95% CI: 0.90-1.22]. Intimate partner violence and HIV were not found to be consistently associated amongst ever-married women in national population samples in these lower income countries, suggesting that intimate partner violence is not consistently associated with HIV prevalence worldwide. More research is needed to understand the circumstances in which intimate partner violence and HIV are and are not associated with one another.

Abstract

Editors’ note: These ten countries were chosen from more than 80 countries because only their Demographic and Health Surveys (DHS) included HIV testing and a domestic violence module. Of 140,837 women offered HIV testing and 145,042 women offered the domestic violence module, 60,795 women provided dried blood spot samples for HIV testing and answered questions about their experiences of intimate partner violence. They had to be married or have been married so this analysis is of ever-married women only. Indian women comprised 49.4% of the study. The results show important country variations with HIV prevalence ranging from 24.1% in Zimbabwe to 0.5% in India. Almost a third of women (32%) reported having experienced some form of intimate partner violence in their most recent sexual relationship. Although unadjusted analyses found intimate partner violence to be associated with a small, significant increase in HIV prevalence, this relationship weakened once demographic and social factors were accounted for. Further, this cross-sectional dataset allowed no conclusion about causal association as it is impossible to determine which came first, the violence or HIV infection. Nonetheless, observational studies have found intimate partner violence to be associated with increased HIV risk in southern and eastern Africa and India and interventions to empower women in South Africa have reduced risk behaviours for HIV acquisition. In any case, intimate partner violence is a violation of human rights with many negative consequences which should be addressed in its own right through broad public health coalitions.

Gender
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Gender

Age at menarche, schooling, and sexual debut in northern Malawi

Glynn JR, Kayuni N, Floyd S, Banda E, Francis-Chizororo M, Tanton C, Molesworth A, Hemmings J, Crampin AC, French N. PLoS One. 2010 Dec 9;5(12):e15334

Age at sexual debut is a key behavioural indicator used in HIV behavioural surveillance. Early age at menarche may precipitate early sex through perceived readiness for sex, or through school drop-out, but this is rarely studied. Glynn and colleagues investigated trends and circumstances of sexual debut in relation to schooling and age at menarche. A cross-sectional sexual behaviour survey was conducted on all individuals age 15-59 within a demographic surveillance site in Karonga District, Malawi. Time trends were assessed using birth cohorts. Survival analysis was used to estimate the median age at menarche, sexual debut and first marriage. The 25(th) centile was used to define "early" sex, and analyses of risk factors for early sex were restricted to those who had reached that age, and were done using logistic regression. Of the 8232 women and 7338 men resident in the area, 88% and 78%, respectively, were seen, and, 94% and 92% of these were interviewed. The median reported age at first sex was 17.5 for women and 18.8 for men. For women, ages at menarche, sexual debut and first marriage did not differ by birth cohort. For men, age at sexual debut and first marriage decreased slightly in later birth cohorts. For both men and women increased schooling was associated with later sexual debut and a longer delay between sexual debut and first marriage, but the associations were stronger for women. Earlier age at menarche was strongly associated with earlier sexual debut and marriage and lower schooling levels. In women early sexual debut (<16 years) was less likely in those with menarche at age 14-15 (odds ratio (OR) 0.31, 95%CI 0.26-0.36), and ≥16 (OR 0.04, 95%CI 0.02-0.05) compared to those with menarche at <14. The proportion of women who completed primary school was 46% in those with menarche at <14, 60% in those with menarche at 14-15 and 70% in those with menarche at ≥16. The association between age at menarche and schooling was partly explained by age at sexual debut. The association between age at menarche and early sex was not altered by adjusting for schooling. Women with early menarche start sex and marry early, leading to school drop-out. It is important to find ways to support those who reach menarche early to access the same opportunities as other young women.

Abstract

Editor’s note: This study used information from fourth birth cohorts (born before 1965, 1965-74, 1975-84, 1985-94) to examine trends in age at first sex, types of partners, age at marriage, and time between first sex and marriage. There were no significant changes over time for women while for men there was a slight decrease in age at sexual debut and an increase in delay between first sex and marriage. Encouragingly, condom use with the first sexual partner, excluding those whose spouse was the first sexual partner, increased from 0% in the oldest women to 41% in the youngest cohort of women (54% in the youngest cohort of men). Striking findings were found in women: although age at onset of menstruation (menarche), age at first sex, and age at first marriage had not changed, in those with early menarche the likelihood of earlier sex increased with later birth cohort. Early sexual debut was associated with decreased schooling. Menstruation is an indication of physical maturity and the transition to womanhood but it also has practical implications for continued schooling where disposable pads are unaffordable, toilet facilities are poor, and privacy is at a premium. More than half the girls with early menarche before age 14 failed to finish primary school, had sex before they were 16, and married before 17 while 70% of girls who started menstruating at age 16 or older finished primary school (many went on to secondary school), started sex after age 18, and married after age 19. It is unclear how exactly age at menarche, age at first sex, and schooling are interacting but improving school facilities, keeping girls in school, and reducing expectations about early sexual debut after onset of menstruation are all needed to overcome individual and social pressures on girls that lead to them losing the advantages that education can bring.

Gender
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Gender

Male antenatal attendance and HIV testing are associated with decreased infant HIV infection and increased HIV-free survival

Aluisio A, Richardson BA, Bosire R, John-Stewart G, Mbori-Ngacha D, Farquhar C. J Acquir Immune Defic Syndr. 2011 Jan 1;56(1):76-82.

To investigate the relationship between male involvement in prevention of mother-to-child HIV transmission services and infant HIV acquisition and mortality, a prospective cohort study was undertaken between 1999 and 2005 in Nairobi, Kenya. HIV-infected pregnant women were enrolled and followed with their infants for 1 year with infant HIV DNA testing at birth, 1, 3, 6, 9, and 12 months postpartum. Women were encouraged to invite male partners for prevention counselling and HIV testing. Among 456 female participants, 140 partners (31%) attended the antenatal clinic. Eighty-two (19%) of 441 infants tested were HIV infected by 1 year of age. Adjusting for maternal viral load, vertical transmission risk was lower among women with partner attendance compared with those without [adjusted hazard ratio (aHR) = 0.56, 95% confidence interval (CI): 0.33 to 0.98; P = 0.042] and among women reporting versus not reporting previous partner HIV testing (aHR = 0.52, 95% CI: 0.32 to 0.84; P = 0.008). The combined risk of HIV acquisition or infant mortality was lower with male attendance (aHR = 0.55; 95% CI: 0.35 to 0.88; P = 0.012) and report of prior male HIV testing (aHR = 0.58; 95% CI: 0.34 to 0.88; P = 0.01) when adjusting for maternal viral load and breastfeeding. Including men in antenatal prevention of mother-to-child HIV transmission services with HIV testing may improve infant health outcomes.

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Editors’ note: We know that male partner involvement is beneficial in improving women’s uptake of vertical transmission services. This study goes further providing the first proof-of-concept that male partner involvement in PMTCT (prevention of mother-to-child transmission) services influences not only infant HIV infection but also infant mortality. After adjusting for factors that directly influence HIV transmission, such as maternal viral load and type of infant feeding, male partner involvement resulted in a reduction of more than 40% in both the risk of HIV infection and the composite risk of HIV infection and mortality. Women whose partners were involved were more likely to have disclosed their serostatus to their partner, have a partner who had previously tested for HIV, have discussed PMTCT with their partner, and be in monogamous marriages (versus having steady boyfriends or being in polygamous marriages). To take advantage of these findings to accelerate the pathway to the elimination of vertical transmission, we need to know more about what motivated these men and how we can overcome health system barriers to male participation – including the general lack of promotion of their attendance. We also need to better understand how men influence child survival, the ultimate goal of vertical transmission prevention.

Gender
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Gender

Scaling up circumcision programmes in southern Africa: the potential impact of gender disparities and changes in condom use behaviours on heterosexual HIV transmission

Andersson KM, Owens DK, Paltiel AD. AIDS Behav. 2010 Sep 11.

Circumcision significantly reduces female-to-male transmission of HIV infection, but changes in behaviour may influence the overall impact on transmission. Andersson and colleagues sought to explore these effects, particularly for societies where women have less power to negotiate safe sex. They developed a compartmental epidemic model to simulate the population-level impact of various circumcision programmes on heterosexual HIV transmission in Soweto. The authors incorporated gender-specific negotiation of condom use in sexual partnerships and explored post-circumcision changes in condom use. A 5-year prevention programme in which only an additional 10% of uncircumcised males undergo circumcision each year, for example, would prevent 13% of the expected new HIV infections over 20 years. Outcomes were sensitive to potential changes in behaviour and differed by gender. For southern Africa, even modest programmes offering circumcision would result in significant benefits. Because decreases in male condom use could diminish these benefits, particularly for women, circumcision programmes should emphasize risk-reduction counselling.

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Editors’ note: When a novel HIV prevention modality provides direct benefit to a fraction of the population, as is the case for male circumcision for men and eventually would be the case for 1% tenofovir gel for women, any increases or decreases in condom use can influence the overall impact of its introduction for both sexes. This model assumed exclusive male negotiation of condom use and found that only very large declines in condom use (more than 50%) would offset the net benefits to the overall population of scaling up male circumcision services. However, behind the numbers are individual women who might become infected if men who get circumcised enhance their own risk as well as that of their partners by abandoning condom use. The good news is that adult male circumcision programmes to date in sub-Saharan Africa include both risk reduction counselling for men undergoing circumcision and tailored communication campaigns to reinforce the message of combination prevention. As a young man in an Orange Farm video says: ‘I understand that circumcision provides 60% protection – the rest I have to do myself’. Monitoring risk compensation/enhancement in the wider community, as well as among the men undergoing circumcision, is essential to tracking outcomes and making adjustments to male circumcision programmes for maximum impact on the epidemic. To read more about women’s qualified support for and desire to be engaged with male circumcision scale-up in Kenya, Namibia, South Africa, Swaziland, and Uganda, go to www.avac.org/whipt for the recently released AVAC/ATHENA report ‘Making Medical Male Circumcision Work for Women’.

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Serodiscordant couples

HIV status in discordant couples in sub-Saharan Africa: a systematic review and meta-analysis

Eyawo O, de Walque D, Ford N, Gakii G, Lester RT, Mills EJ. Lancet Infect Dis. 2010 Nov;10(11):770-7.

Most couples affected by HIV in sub-Saharan Africa live in discordant relationships. Men are thought to be the index case in most relationships, and most social marketing and awareness campaigns are focused on men. Eyawo and colleagues investigated serodiscordance in stable relationships to establish the gender balance of index-case infections. They did a systematic review, random-effects meta-analysis, a meta-regression of published and unpublished studies enrolling discordant couples, and assessed the proportion of men and women that were index cases. They repeated the analysis with data from demographic and health surveys from the 14 countries that have documented the HIV status of couples. The primary outcome was the total number of HIV discordant couples, including the proportion of HIV-positive women. The authors included data from 27 cohorts of 13 061 couples and DHS data from 14 countries of 1145 couples. The proportion of HIV-positive women in stable heterosexual serodiscordant relationships was 47% (95% CI 43-52), which shows that women are as likely as men to be the index partner in a discordant couple. DHS data (46%, 41-51) and the authors’ sensitivity analysis (47%, 43-52) showed similar findings. Meta-regression showed that urban versus rural residence (odds ratio 0·31, 95% CI 0·22-0·39), latitude (β coefficient 0·02, 0·023-0·034), gender equality (β coefficient -0·42, -0·56 to -0·27), HIV prevalence (β coefficient -0·037, -0·04 to -0·030), and older age (β coefficient 0·20, 0·08-0·32) were associated with the proportion of female index cases. This study shows the need to focus on both sexes in HIV prevention strategies, such as promotion of condom use and mitigation of risk behaviours.

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Editors’ note: That there is more sex-balance in HIV status in discordant couples than you might have thought should not come as a surprise – most studies in Africa have found that 30 to 50% of HIV-seropositive partners in discordant couples are women. Divorce, separation, and widowhood leading to subsequent remarriage have led to marriage being a potential risk factor for HIV infection, in the absence of extramarital sexual activity. Only 4 of the 27 cohorts examined in this systematic review reported the number of couples in which one or both of the members had been previously married or were infected before their present stable relationship. Strategies addressing concurrency, reduction of overlapping relationships to prevent HIV entering a relationship, and a primary focus on male sexual behaviour may be overlooking significant factors in stable couples, such as having HIV infection before entering a relationship. It is high time to think about encouraging couple counselling and testing to increase knowledge of HIV serostatus and tailored safer sex within couples.

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