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Dive into the research topics where Samuel H. Masters is active.

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Featured researches published by Samuel H. Masters.


JAMA | 2014

Effect of Providing Conditional Economic Compensation on Uptake of Voluntary Medical Male Circumcision in Kenya: A Randomized Clinical Trial

Harsha Thirumurthy; Samuel H. Masters; Samwel Rao; Megan A. Bronson; Michele Lanham; Eunice Omanga; Emily Evens; Kawango Agot

IMPORTANCE Novel strategies are needed to increase the uptake of voluntary medical male circumcision (VMMC) in sub-Saharan Africa and enhance the effectiveness of male circumcision as an HIV prevention strategy. OBJECTIVE To determine whether small economic incentives could increase circumcision prevalence by addressing reported economic barriers to VMMC and behavioral factors such as present-biased decision making. DESIGN, SETTING, AND PARTICIPANTS Randomized clinical trial conducted between June 22, 2013, and February 4, 2014, among 1504 uncircumcised men aged 25 to 49 years in Nyanza region, Kenya. VMMC services were provided free of charge and participants were randomized to 1 of 3 intervention groups or a control group. INTERVENTIONS Participants in the 3 intervention groups received varying amounts of compensation conditional on undergoing circumcision at 1 of 9 study clinics within 2 months of enrollment. Compensation took the form of food vouchers worth 200 Kenya shillings (≈ US


Social Science & Medicine | 2013

Travel time to maternity care and its effect on utilization in rural Ghana: A multilevel analysis

Samuel H. Masters; Roy Burstein; George Amofah; Patrick Abaogye; Santosh Kumar; Michael Hanlon

2.50), 700 Kenya shillings (≈ US


The Lancet HIV | 2016

Promoting male partner HIV testing and safer sexual decision making through secondary distribution of self-tests by HIV-negative female sex workers and women receiving antenatal and post-partum care in Kenya: a cohort study

Harsha Thirumurthy; Samuel H. Masters; Sue Napierala Mavedzenge; Suzanne Maman; Eunice Omanga; Kawango Agot

8.75), or 1200 Kenya shillings (≈ US


PLOS Medicine | 2016

Promoting Partner Testing and Couples Testing through Secondary Distribution of HIV Self-Tests: A Randomized Clinical Trial.

Samuel H. Masters; Kawango Agot; Beatrice Obonyo; Sue Napierala Mavedzenge; Suzanne Maman; Harsha Thirumurthy

15.00), which reflected a portion of transportation costs and lost wages associated with getting circumcised. The control group received no compensation. MAIN OUTCOMES AND MEASURES VMMC uptake within 2 months. RESULTS Analysis of data for 1502 participants with complete data showed that VMMC uptake within 2 months was higher in the US


BMJ Open | 2015

Patient satisfaction and perceived quality of care: evidence from a cross-sectional national exit survey of HIV and non-HIV service users in Zambia

Emily Dansereau; Felix Masiye; Emmanuela Gakidou; Samuel H. Masters; Roy Burstein; Santosh Kumar

8.75 group (6.6%; 95% CI, 4.3%-9.5% [25 of 381]) and the US


Journal of Acquired Immune Deficiency Syndromes | 2016

The Effects of Providing Fixed Compensation and Lottery-Based Rewards on Uptake of Medical Male Circumcision in Kenya: A Randomized Trial

Harsha Thirumurthy; Samuel H. Masters; Samwel Rao; Kate Murray; Ram Prasad; Joshua Graff Zivin; Eunice Omanga; Kawango Agot

15.00 group (9.0%; 95% CI, 6.3%-12.4% [34 of 377]) than in the US


PLOS ONE | 2014

Pharmaceutical availability across levels of care: Evidence from facility surveys in Ghana, Kenya, and Uganda

Samuel H. Masters; Roy Burstein; Brendan DeCenso; Kelsey Moore; Annie Haakenstad; Gloria Ikilezi; Jane Achan; Ivy Osei; Bertha Garshong; Caroline Kisia; Pamela Njuguna; Joseph B. Babigumira; Santosh Kumar; Michael Hanlon; Emmanuela Gakidou

2.50 group (1.9%; 95% CI, 0.8%-3.8% [7 of 374]) and the control group (1.6%; 95% CI, 0.6%-3.5% [6 of 370]). In logistic regression analysis, the US


BMC Health Services Research | 2012

Exploring the relationship between population density and maternal health coverage

Michael Hanlon; Roy Burstein; Samuel H. Masters; Raymond Zhang

8.75 group had significantly higher VMMC uptake than the control group (adjusted odds ratio [AOR] 4.3; 95% CI, 1.7-10.7), as did the US


PLOS ONE | 2015

Uptake of WHO Recommendations for First- Line Antiretroviral Therapy in Kenya, Uganda, and Zambia

Herbert C. Duber; Emily Dansereau; Samuel H. Masters; Jane Achan; Roy Burstein; Brendan DeCenso; Anne Gasasira; Gloria Ikilezi; Caroline Kisia; Felix Masiye; Pamela Njuguna; Thomas A. Odeny; Emelda A. Okiro; D. Allen Roberts; Emmanuela Gakidou

15.00 group (AOR 6.2; 95% CI, 2.6-15.0). Effect sizes for the US


PLOS ONE | 2015

Trends and Determinants of Antiretroviral Therapy Patient Monitoring Practices in Kenya and Uganda

Emily Dansereau; Emmanuela Gakidou; Marie Ng; Jane Achan; Roy Burstein; Brendan DeCenso; Anne Gasasira; Gloria Ikilezi; Caroline Kisia; Samuel H. Masters; Pamela Njuguna; Thomas A. Odeny; Emelda A. Okiro; D. Allen Roberts; Herbert C. Duber

8.75 and US

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Roy Burstein

University of Washington

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Gloria Ikilezi

University of Washington

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Jane Achan

Medical Research Council

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Emelda A. Okiro

Kenya Medical Research Institute

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Thomas A. Odeny

Kenya Medical Research Institute

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