7 results on '"Timothy D. Mastro"'
Search Results
2. HIV comprehensive knowledge and prevalence among young adolescents in Nigeria: evidence from Akwa Ibom AIDS indicator survey, 2017
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Titilope Badru, Jefferson Mwaisaka, Hadiza Khamofu, Chinedu Agbakwuru, Oluwasanmi Adedokun, Satish Raj Pandey, Patrick Essiet, Ezekiel James, Annie Chen-Carrington, Timothy D. Mastro, Sani H. Aliyu, and Kwasi Torpey
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Comprehensive HIV knowledge ,Stigma ,Risk perceptions ,Young adolescents ,Nigeria ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background Despite the recent increase in HIV infections among adolescents, little is known about their HIV knowledge and perceptions. This study, therefore, sought to examine the factors associated with comprehensive HIV knowledge, stigma, and HIV risk perceptions among young adolescents aged 10–14 years in Akwa Ibom State, Nigeria. Additionally, consenting parents and assenting young adolescents were tested for HIV. Methods We used cross-sectional data from the 2017 Akwa Ibom AIDS Indicator Survey to analyze comprehensive HIV knowledge, stigma, and HIV risk perceptions among young adolescents. Demographic characteristics of young adolescents were summarized using descriptive statistics. Chi-square test (or Fisher’s exact test in cases of small subgroup sample sizes) was used to elicit associations between demographics and study outcomes. Separate multivariable logistic regression models were then conducted to determine associations with the study outcomes. Sampling weights were calculated in order to adjust for the sample design. P-values less than 0.05 were considered to be significant. Results A total of 1818 young adolescents were interviewed. The survey highlighted significant low levels of comprehensive HIV knowledge (9.4%) among young adolescents. Adolescent-parent discussions [AOR = 2.19, 95% C.I (1.10–4.38), p = 0.03], schools as sources of HIV information [AOR = 8.06, 95% C.I (1.70–38.33), p
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- 2020
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3. High HIV incidence among young women in South Africa: Data from a large prospective study
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Thesla Palanee-Phillips, Helen V. Rees, Kate B. Heller, Khatija Ahmed, Joanne Batting, Ivana Beesham, Renee Heffron, Jessica Justman, Heeran Makkan, Timothy D. Mastro, Susan A. Morrison, Nelly Mugo, Gonasagrie Nair, James Kiarie, Neena M. Philip, Melanie Pleaner, Krishnaveni Reddy, Pearl Selepe, Petrus S. Steyn, Caitlin W. Scoville, Jenni Smit, Katherine K. Thomas, Deborah Donnell, Jared M. Baeten, and for the ECHO Trial Consortium
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Medicine ,Science - Abstract
Introduction South Africa has the highest national burden of HIV globally. Understanding drivers of HIV acquisition in recently completed, prospective studies in which HIV was an endpoint may help inform the strategy and investments in national HIV prevention efforts and guide the design of future HIV prevention trials. We assessed HIV incidence and correlates of incidence among women enrolled in ECHO (Evidence for Contraceptive Options and HIV Outcomes), a large, open-label randomized clinical trial that compared three highly effective. reversible methods of contraception and rates of HIV acquisition. Methods During December 2015 to October 2018, ECHO followed sexually active, HIV-seronegative women, aged 16–35 years, seeking contraceptive services and willing to be randomized to one of three contraceptive methods (intramuscular depot medroxyprogesterone acetate, copper intrauterine device, or levonorgestrel implant) for 12–18 months at nine sites in South Africa. HIV incidence based on prospectively observed HIV seroconversion events. Cox proportional hazards regression models were used to define baseline cofactors related to incident HIV infection. Results 5768 women were enrolled and contributed 7647 woman-years of follow-up. The median age was 23 years and 62.5% were ≤24 years. A total of 345 incident HIV infections occurred, an incidence of 4.51 per 100 woman-years (95%CI 4.05–5.01). Incidence was >3 per 100 woman-years at all sites. Age ≤24 years, baseline infection with sexually transmitted infections, BMI≤30, and having new or multiple partners in the three months prior to enrollment were associated with incident HIV. Conclusions HIV incidence was high among South African women seeking contraceptive services. Integration of diagnostic management of sexually transmitted infections alongside delivery of HIV prevention options in health facilities providing contraception services are needed to mitigate ongoing risks of HIV acquisition for this vulnerable population. Clinical trial registration ClinicalTrials.gov, number NCT02550067 was the main Clinical Trial from which this secondary, non-randomized / observational analysis was derived with data limited to just South African sites.
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- 2022
4. Social, economic, and political events affect gender equity in China, Nepal, and Nicaragua: a matched, interrupted time-series study
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Tuan T. Nguyen, Ashley Darnell, Amy Weissman, Edward A. Frongillo, Roger Mathisen, Karin Lapping, Timothy D. Mastro, and Mellissa Withers
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china ,gender equity ,gender gap index (ggi) ,health disparities/inequities ,interrupted time-series analysis ,nepal ,nicaragua ,Public aspects of medicine ,RA1-1270 - Abstract
Background: Progress in gender equity can improve health at the individual and country levels. Objectives: This study’s objective was to analyze recent trends in gender equity and identify historical and contextual factors that contributed to changes in gender equity in three countries: China, Nepal, and Nicaragua. Methods: To assess gender equity trends, we used the Gender Gap Index (GGI) from the World Economic Forum’s Global Gender Gap Report (2006–2017). The GGI incorporated data on economic participation, educational attainment, health, and political empowerment for almost 150 countries. We selected China, Nepal, and Nicaragua because of their major changes in GGI and diversity in geographical location and economic status. We reviewed major social, economic, and political events during 2006–2017, and identified key events in each country. We compared countries’ GGI with matched controls average using interrupted time-series analysis. Results: Nepal and Nicaragua both had dramatic increases in GGI (improvement in equity), Nepal (β = 0.029; 95% CI: 0.003, 0.056) and Nicaragua (β = 0.035; 95% CI: 0.005, 0.065). This was strongly influenced by political empowerment, which likely impacted access to education and employment opportunities. Despite major economic growth and new policies to address gender inequities (e.g. the One-Child Policy), China saw a significant decline in GGI between 2010 and 2017 (β = −0.014; 95% CI: −0.024, −0.004), largely resulting from decreased gender equity in educational attainment, economic participation, and health/survival sub-indices. Conclusions: Key social, economic, and political events helped explain trends in countries’ gender equity. Our study suggested that supportive social and political environments would play important roles in empowering women, which would advance human rights and promote health and well-being of individuals, households, communities, and countries.
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- 2020
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5. Sexual behaviour among women using intramuscular depot medroxyprogesterone acetate, a copper intrauterine device, or a levonorgestrel implant for contraception: Data from the ECHO randomized trial.
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G Justus Hofmeyr, Mandisa Singata-Madliki, Joanne Batting, Petrus Steyn, Katherine K Thomas, Rodal Issema, Ivana Beesham, Enough Mbatsane, Charles Morrison, Jen Deese, Jenni Smit, Neena Philip, Thesla Palanee-Phillips, Krishnaveni Reddy, Maricianah Onono, Timothy D Mastro, Jared M Baeten, and Evidence for Contraceptive Options and HIV Outcomes (ECHO) Trial Consortium
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Medicine ,Science - Abstract
BackgroundContraceptive use has complex effects on sexual behaviour and mood, including those related to reduced concerns about unintended pregnancy, direct hormonal effects and effects on endogenous sex hormones. We set out to obtain robust evidence on the relative effects of three contraceptive methods on sex behaviours, which is important for guiding contraceptive choice and future contraceptive developments.MethodsThis is a secondary analysis of data from the Evidence for Contraceptive Options and HIV Outcomes (ECHO) randomized trial in which 7,829 HIV-uninfected women from 12 sites in Eswatini, Kenya, South Africa and Zambia seeking contraception were randomly assigned to intramuscular depot-medroxyprogesterone acetate (DMPA-IM), the copper intrauterine device (Cu-IUD) or the levonorgestrel (LNG) implant. Data collected for 12 to 18 months using 3-monthly behavioural questionnaires that relied on recall from the preceding 3 months, were used to estimate relative risk of post-baseline sex behaviours, as well as sexual desire and menstrual bleeding between randomized groups using modified Poisson regression.ResultsWe observed small but generally consistent effects wherein DMPA-IM users reported lower prevalence of specified high risk sexual behaviours than implant users than Cu-IUD users (the '>' and ' Cu-IUD); partner has sex with others 10% < 11%, 11%. The one exception was having any sex partner 96.5%, 96.9% < 97.4% (DMPA-IM < Cu-IUD). Decrease in sexual desire was reported by 1.6% > 1.1% >0.5%; amenorrhoea by 49% > 41% >12% and regular menstrual pattern by 26% ConclusionsThese findings suggest that women assigned to DMPA-IM may have a modest decrease in libido and sexual activity relative to the implant, and the implant relative to the Cu-IUD. We found more menstrual disturbance with DMPA-IM than with the implant (and as expected, both more than the Cu-IUD). These findings are important for informing the contraceptive choices of women and policymakers and highlight the need for robust comparison of the effects of other contraceptive methods as well.
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- 2024
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6. High HIV incidence among young women in South Africa: Data from a large prospective study.
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Thesla Palanee-Phillips, Helen V Rees, Kate B Heller, Khatija Ahmed, Joanne Batting, Ivana Beesham, Renee Heffron, Jessica Justman, Heeran Makkan, Timothy D Mastro, Susan A Morrison, Nelly Mugo, Gonasagrie Nair, James Kiarie, Neena M Philip, Melanie Pleaner, Krishnaveni Reddy, Pearl Selepe, Petrus S Steyn, Caitlin W Scoville, Jenni Smit, Katherine K Thomas, Deborah Donnell, Jared M Baeten, and ECHO Trial Consortium
- Subjects
Medicine ,Science - Abstract
IntroductionSouth Africa has the highest national burden of HIV globally. Understanding drivers of HIV acquisition in recently completed, prospective studies in which HIV was an endpoint may help inform the strategy and investments in national HIV prevention efforts and guide the design of future HIV prevention trials. We assessed HIV incidence and correlates of incidence among women enrolled in ECHO (Evidence for Contraceptive Options and HIV Outcomes), a large, open-label randomized clinical trial that compared three highly effective. reversible methods of contraception and rates of HIV acquisition.MethodsDuring December 2015 to October 2018, ECHO followed sexually active, HIV-seronegative women, aged 16-35 years, seeking contraceptive services and willing to be randomized to one of three contraceptive methods (intramuscular depot medroxyprogesterone acetate, copper intrauterine device, or levonorgestrel implant) for 12-18 months at nine sites in South Africa. HIV incidence based on prospectively observed HIV seroconversion events. Cox proportional hazards regression models were used to define baseline cofactors related to incident HIV infection.Results5768 women were enrolled and contributed 7647 woman-years of follow-up. The median age was 23 years and 62.5% were ≤24 years. A total of 345 incident HIV infections occurred, an incidence of 4.51 per 100 woman-years (95%CI 4.05-5.01). Incidence was >3 per 100 woman-years at all sites. Age ≤24 years, baseline infection with sexually transmitted infections, BMI≤30, and having new or multiple partners in the three months prior to enrollment were associated with incident HIV.ConclusionsHIV incidence was high among South African women seeking contraceptive services. Integration of diagnostic management of sexually transmitted infections alongside delivery of HIV prevention options in health facilities providing contraception services are needed to mitigate ongoing risks of HIV acquisition for this vulnerable population.Clinical trial registrationClinicalTrials.gov, number NCT02550067 was the main Clinical Trial from which this secondary, non-randomized / observational analysis was derived with data limited to just South African sites.
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- 2022
- Full Text
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7. Male circumcision for prevention of HIV transmission: what the new data mean for HIV prevention in the United States.
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Patrick S Sullivan, Peter H Kilmarx, Thomas A Peterman, Allan W Taylor, Allyn K Nakashima, Mary L Kamb, Lee Warner, and Timothy D Mastro
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Medicine - Published
- 2007
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