Population Council Research that makes a difference

Waimar Tun, Ph.D.

Associate

A Simulated Clinical Trial to Explore Willingness to Participate and Methods for Improving Reporting of Adherence Among a Sex-worker Cohort in Nellore, India (more)
A simulated microbicides clinical study is being conducted in India to develop and test strategies for improving recruitment, adherence, and the reporting of adherence for future microbicides clinical trials.
(1/2008 - ongoing)
Topics: Microbicides; Sex workers
Countries: India

Biological and Behavioral Surveillance of Most-at-risk Populations in Kenya (more)
In collaboration with the Kenyan government and partners, Council researchers are implementing the first HIV biological and behavioral surveillance surveys to facilitate, inform, and evaluate the impact of HIV preventive interventions for most-at-risk populations (men who have sex with men, sex workers, and injecting drug users).
(7/2010 - 2/2012)
Topics: HIV prevention; Injecting drug users; Men who have sex with men; Sex workers; Vulnerable populations
Countries: Kenya

The AVHI Project: A Peer-driven Approach to Providing Injecting Drug Users with HIV Prevention Services in New Delhi, India (more)
Council researchers aim to avert HIV infections among injecting drugs users (IDUs) and their sexual and injecting partners in Delhi and increase the coverage and uptake of HIV prevention services, including counseling and testing, through an innovative, peer-driven strategy that recruits and enrolls IDUs into a comprehensive HIV prevention program.
(6/2010 - 11/2012)
Topics: Behavior change; HIV prevention; Injecting drug users; Vulnerable populations
Countries: India

Formative Assessment and Mapping of Female Drug Users in Kano, Kaduna, Ogun, and Lagos, Nigeria (more)
Using social media and mobile technology, Council researchers are collecting data on female drug users in Nigeria to increase visibility of and services for this hidden yet highly vulnerable population.
(12/2010 - 5/2011)
Topics: HIV prevention; Injecting drug users; Vulnerable populations
Countries: Nigeria

Knowing Myself First: Assessing the Feasibility of HIV Self-testing Among Health Workers in Kenya (more)
This study evaluated the feasibility and acceptability of HIV home self-testing (HST) among health workers and their partners in Kenya. The study also provided an understanding of operational structures that need to be in place to successfully implement HIV HST for health workers.
(3/2007 - 3/2011)
Topics: HIV care, support, and treatment; HIV prevention
Countries: Kenya

HIV/AIDS Misinformation and Beliefs Among Men Who Have Sex with Men in Pretoria, South Africa (more)
In South Africa, the Council investigated the extent of HIV misinformation and beliefs among men who have sex with men, the factors that may influence HIV misinformation and mistrust, and the impact HIV misinformation and mistrust have on HIV preventive behaviors.
(9/2008 - 8/2009)
Topics: Men who have sex with men
Countries: South Africa

Assessment of the Risk Factors for HIV Infection in Vulnerable Populations in Ciudad del Este, Paraguay (more)
Council researchers with the Horizons program conducted an operations research study to estimate HIV and syphilis seroprevalence and determine contextual and behavioral factors that increase syphilis and HIV vulnerability among male and female sex workers and men who have sex with men in Ciudad del Este, Paraguay.
(7/2005 - 6/2007)
Topics: HIV prevention; Men who have sex with men; Sex workers
Countries: Paraguay

Building the Capacity of Faith-based Organizations to Deliver Mutual Monogamy Interventions to Church Members in the Eastern Cape Province of South Africa (more)
The Council’s Horizons program conducted an intervention study to develop and evaluate an FBO-based intervention package to promote mutual monogamy among community members in two sites in the Eastern Cape, South Africa.
(2/2006 - 7/2007)
Topics: Behavior change
Countries: South Africa

HIV Prevention with Positive People in Mombasa, Kenya: How Do We Reach Them in the Community? (more)
Council scientists conducted formative research to address the gap in information about how to identify and access HIV-positive persons who are not accessing care and treatment services as a first step in designing and implementing a prevention project in Mombasa, Kenya.
(4/2007 - 9/2007)
Topics: HIV care, support, and treatment; HIV prevention; People living with HIV
Countries: Kenya

Reducing HIV/STI Risk and Improving Treatment for Male Sex Workers in Mombasa, Kenya (more)
The Council’s Horizons program conducted an intervention study in Mombasa, Kenya, to meet male sex workers’ health needs and promote behavior change among this population.
(1/2006 - 7/2007)
Topics: Men who have sex with men; Sex workers; Stigma and discrimination
Countries: Kenya

Risk Factors for HIV Infection in the MSM Population in the Metropolitan Area of Campinas City, Brazil, Using Respondent-driven Sampling (more)
Council research aims to contribute to the reduction of HIV in the population of men who have sex with men in Brazil by establishing subgroups who are at greatest risk for HIV infection and understanding the sociodemographic, behavioral, and environmental factors associated with such high risks.
(6/2005 - 6/2007)
Topics: Behavior change; HIV prevention; Men who have sex with men; Stigma and discrimination
Countries: Brazil

Waimar Tun, Ph.D.

Associate

Assessment of unsafe injection practices and sexual behaviors among male injecting drug users in two urban cities of India using respondent driven sampling  (abstract) (PDF) 
Sarna,Avina; Tun,Waimar; Bhattacharya,Aruna; Lewis,Dean; Singh,Yummam Shashikumar; Apicella,Louis
The Southeast Asian Journal of Tropical Medicine and Public Health 43(3): 652-667
Publication date: 2012

Characteristics of female sex workers in southern India willing and unwilling to participate in a placebo gel trial  (abstract) (PDF) 
Mensch,Barbara S.; Friedland,Barbara A.; Abbott,Sharon; Katzen,Lauren L.; Tun,Waimar; Kelly,Clifton A.; Sarna,Avina; Srikrishnan,Aylur K.; Solomon,Suniti
AIDS and Behavior Published online ahead of print, 21 August
Publication date: 2012

HIV-related conspiracy beliefs and its relationships with HIV testing and unprotected sex among men who have sex with men in Tshwane (Pretoria), South Africa  (abstract) 
Tun,Waimar; Kellerman,Scott E.; Maime,Senkhu; Fipaza,Zukiswa; Sheehy,Meredith; Vu,Lung; Nel,Dawie
AIDS Care 24(4): 459-467
Publication date: 2012

Levels and correlates of internalized homophobia among men who have sex with men in Pretoria, South Africa  (abstract) 
Vu,Lung; Tun,Waimar; Sheehy,Meredith; Nel,Dawie
AIDS and Behavior 16(3): 717-723
Publication date: 2012

Attitudinal and behavioral factors associated with extramarital sex among Nigerian men: Findings from a national survey  (abstract) 
Vu,Lung; Tun,Waimar; Karlyn,Andrew; Adebajo,Sylvia; Ahonsi,Babatunde
International Journal of Sexual Health 23(4): 258-268
Publication date: 2011

'Knowing myself first': Feasibility of self-testing among health workers in Kenya  (PDF) 
Kalibala,Sam; Tun,Waimar; Muraah,William; Cherutich,Peter; Oweya,Erick; Oluoch,Patricia
Publication date: 2011

HIV vulnerability of men who have sex with men in developing countries: Horizons studies, 2001-2008  (abstract) 
Geibel,Scott; Tun,Waimar; Tapsoba,Placide; Kellerman,Scott E.
Public Health Reports 125(2): 316-324
Publication date: 2010

Looking back, moving forward: Understanding the HIV risk and sexual health needs of men who have sex with men, Horizons studies 2001 to 2008  (PDF) 
Geibel,Scott; Tun,Waimar; Tapsoba,Placide; Kellerman,Scott E.
Horizons Synthesis Background Papers
Publication date: 2010

Assessment of risk factors for HIV infection among men who have sex with men in the metropolitan area of Campinas City, Brazil, using respondent-driven sampling  (PDF) 
de Mello,Maeve; de Araujo Pinho,Adriana; Chinaglia,Magda; Tun,Waimar; Barbosa Junior,Aristides; Ilario,Maria Cristina F.J.; Reis,Paulo; Salles,Regina C.S.; Westman,Suzanne; Diaz,Juan
Horizons Final Report
Publication date: 2008

Assessment of risk factors for HIV infection in female sex workers and men who have sex with men in Ciudad del Este, Paraguay  (PDF) 
Chinaglia,Magda; Tun,Waimar; Mello,Maeve; Insfran,Magdalena; Diaz,Juan
Horizons Final Report
Publication date: 2008

Factors associated with self-reported unprotected anal sex among male sex workers in Mombasa, Kenya  (abstract) 
Geibel,Scott; Luchters,Stanley; King'ola,Nzioki; Esu-Williams,Eka; Rinyiru,Agnes; Tun,Waimar
Sexually Transmitted Diseases 35(8): 746-752
Publication date: 2008

Sexual risk behaviours and HIV seroprevalence among male sex workers who have sex with men and non-sex workers in Campinas, Brazil  (abstract) 
Tun,Waimar; de Mello,Maeve; Pinho,Adriana A.; Chinaglia,Magda; Diaz,Juan
Sexually Transmitted Infections 84(6): 455-457
Publication date: 2008

An analysis of respondent driven sampling with injection drug users (IDU) in Albania and the Russian Federation  (abstract) 
Stormer,Ame; Tun,Waimar; Guli,Lisa; Harxhi,Arjan; Bodanovskaia,Zinaida; Yakovleva,Anna; Rusakova,Maia; Levina,Olga; Bani,Roland; Rjepaj,Kodian; Bino,Silva
Journal of Urban Health 83(suppl 1): 73-82
Publication date: 2007

Assessment of sexual behaviours and sexual networks of injecting drug users in Delhi and Imphal, India 
Sarna,Avina; Tun,Waimar; Bhattacharya,Aruna; Mahendra,Vaishali Sharma; Apicella,Louis; Selhore,Neville; Singh,Arjun
Publication date: 2007

Building the capacity of faith-based organizations to promote mutual monogamy in South Africa  (PDF) 
Tun,Waimar; Sohaba,Nathi; Malinzi,Unathi; Nqono,Bp.Matthew; Mzilikazi,Pstr.Osborne; Mgujulwa,Pstr.Bonisiwa; Madywabe,Rev.Moses; Fatyeni,Mbulelo; Fontecchio,Christine
Horizons Research Summary
Publication date: 2007

Injecting drug users in India: Understanding sexual behaviours and sexual networks to design effective behaviour change strategies  (PDF) 
Sarna,Avina; Tun,Waimar; Bhattacharya,Aruna; Mahendra,Vaishali Sharma; Selhore,Neville; Singh,Arjun; Apicella,Louis
Update, (April)
Publication date: 2007

Waimar Tun, Ph.D.

Associate

Burden of HIV and sexual behavior among men who have sex with men and male sex workers in Nairobi, Kenya (PDF) 
Poster presentation at the XIX International AIDS Conference, Washington, DC, 23 July
Muraguri,Nicholas; Tun,Waimar; Okal,Jerry; Broz,Dita; Fisher Raymond,H.; Kellogg,Timothy; Dadabhai,Sufia; Mutua,Helgar; Sheehy,Meredith; Kuria,David; Kaiser,Reinhard; Geibel,Scott
Publication date: 2012

Effectiveness of a community health worker delivered HIV prevention intervention for people living with HIV not receiving ART: A prospective cohort study (PDF) 
Poster presentation at the XIX International AIDS Conference, Washington, DC, 24 July
Sarna,Avina; Luchters,Stanley; Musenge,Eustasius; Okal,Jerry; Chersich,Matthew F.; Tun,Waimar; Mall,Sabine; King'ola,Nzioki; Kalibala,Sam
Publication date: 2012

Uptake of HIV testing and HIV prevalence in a cohort of injecting drug users in Delhi, India (PDF) 
Poster presentation at the XIX International AIDS Conference, Washington, DC, 26 July
Sarna,Avina; Sharma,Vartika; Sebastian,Mary Philip; Dhingra,Neeraj; Yadav,A.; Sheehy,Meredith; Madan,I.; Thior,Ibou; Lewis,D.; Tun,Waimar
Publication date: 2012

HIV and STI prevalence among female sex workers in Nairobi: Results from a respondent-driven sampling study  
Presentation at First National Biennial HIV and AIDS Research Conference, Nairobi, 17-20 May
Okal,Jerry; Tun,Waimar; Sheehy,Meredith; Broz,Dita; Mutua,Helgar; Muraguri,Nicholas; Fisher Raymond,H.; Mundia,B.; Kim,A.; Kaiser,Reinhard; Dadabhai,Sufia; Kimani,J.; Geibel,Scott
Publication date: 2011

HIV and STI prevalence among men who have sex with men in Nairobi: Results from a respondent-driven sampling study  
Presentation at First National Biennial HIV and AIDS Research Conference, Nairobi, 17-20 May
Geibel,Scott; Tun,Waimar; Sheehy,Meredith; Broz,Dita; Mutua,Helgar; Muraguri,Nicholas; Fisher Raymond,H.; Mundia,B.; Kim,A.; Kaiser,Reinhard; Dadabhai,Sufia; Kimani,J.; Okal,Jerry
Publication date: 2011

Levels and correlates of unprotected anal intercourse and not testing for HIV among men who have sex with men in Abuja, Lagos and Ibadan, Nigeria (abstract) (PDF) 
Poster presentation at the 6th International AIDS Society Conference, Rome, Italy, 17-20 July
Vu,Lung; Adebajo,Sylvia; Sheehy,Meredith; Tun,Waimar; Karlyn,Andrew; Anene,Oliver; Sangowawa,Segun; Toyese,Akinade; Ankomah,Augustine; Balami,Wada; Ahonsi,Babatunde
Publication date: 2011

Men who have sex with men research in Africa  
Presentation at TOP2BTM: Prevention, Treatment and Care for MSM, Cape Town, 23-25 May
Fipaza,Zukiswa; Karlyn,Andrew; Mbizvo,Elizabeth; Tun,Waimar
Publication date: 2011

Population-based estimates of prevalence of HIV, HBV and HCV and HIV-related risk behaviors among male injecting drug users in Lagos, Nigeria (abstract) (PDF) 
Presentation at the 6th International AIDS Society Conference, Rome, Italy, 17-20 July
Tun,Waimar; Adebajo,Sylvia; Abiodun,Lolade; Karlyn,Andrew; Vu,Lung; Anyanti,Jennifer; Kawu,Issa; Sheehy,Meredith
Publication date: 2011

The feasibility of using HIV post-test clubs (PTC) to provide ongoing alcohol risk reduction counseling to HIV counseling and testing (HCT) clients with alcohol dependence  
Poster presented at First National Biennial HIV and AIDS Research Conference, Nairobi, 17-20 May
Kalibala,Sam; Mukoma,Wanjiru; Sinkele,William; Tun,Waimar; Njeri,Inviolata; Evelia,Humphres
Publication date: 2011

Utilization of cell phones to follow up alcohol-dependent clients attending HIV counseling and testing (HCT) services  
Presentation at First National Biennial HIV and AIDS Research Conference, Nairobi, 17-20 May
Njeri,Inviolata; Kalibala,Sam; Mukoma,Wanjiru; Sinkele,William; Tun,Waimar; Evelia,Humphres
Publication date: 2011

Building the capacity of church leaders to promote HIV prevention through mutual monogamy (abstract)  
Poster presentation at the XVIII International AIDS Conference, Vienna, 20 July
Sohaba,Nathi; Mbizvo,Elizabeth; Mabena,Mhlahlandlela; Tun,Waimar
Publication date: 2010

Church leaders promoting partner reduction: An evaluation of an HIV prevention program in churches in the Eastern Cape, South Africa (abstract)  
Poster presentation at the XVIII International AIDS Conference, Vienna, 21 July
Tun,Waimar; Sohaba,Nathi; Saliwa,Nancy; Gujulwa,Bonisiwa; Maroga,Edwin; Qwabaza,Mpumelelo
Publication date: 2010

Community approach increases identification of HIV-infected children in South Africa (abstract)  
Poster presentation at the XVIII International AIDS Conference, Vienna, 22 July
Maphanga,Tonicah; Sheehy,Meredith; Kellerman,Scott E.; Tun,Waimar; Mini,Nomtandazo Patricia; Scorgie,Fiona; Mbizvo,Elizabeth
Publication date: 2010

Conspiracy beliefs about HIV, attitudes toward condoms and treatment, and HIV-related preventive behaviors among men who have sex with men in Tshwane (Pretoria), South Africa (abstract)  
Poster presentation at the XVIII International AIDS Conference, Vienna, 20 July
Tun,Waimar; Kellerman,Scott E.; Maime,Senkhu; Fipaza,Zukiswa; Sheehy,Meredith; Lung Vu; Nel,Dawie
Publication date: 2010

Factors affecting internalized homophobia and its relationship with HIV risk behaviors among men who have sex with men in Pretoria, South Africa (abstract)  
Poster presentation at the XVIII International AIDS Conference, Vienna, 20 July
Lung Vu; Tun,Waimar; Nel,Dawie; Sheehy,Meredith
Publication date: 2010

Feasibility and acceptability of HIV self-testing among healthcare workers: Results of a pilot program in two hospitals in Kenya (abstract)  
Oral poster discussion at the XVIII International AIDS Conference, Vienna, 21 July
Kalibala,Sam; Tun,Waimar; Muraah,William; Cherutich,Peter; Bunnell,Becky; Oluoch,Patricia; Marum,Lawrence
Publication date: 2010

Missed opportunities to initiate pediatric HIV testing at ART sites (abstract)  
Poster presentation at the XVIII International AIDS Conference, Vienna, 22 July
Sheehy,Meredith; Kellerman,Scott E.; Tun,Waimar; Mini,Nomtandazo Patricia; Scorgie,Fiona; Maphanga,Tonicah
Publication date: 2010

Where do men who have sex with men (MSM) go for health services in South Africa? (abstract)  
Oral poster discussion at the XVIII International AIDS Conference, Vienna, 21 July
Sheehy,Meredith; Tun,Waimar; Nel,Dawie; Fipaza,Zukiswa; Lung Vu
Publication date: 2010

A family-centered approach increases HIV testing among family members of persons in care for HIV
 (abstract) (PDF) 
Poster presentation at 5th International AIDS Society (IAS) Conference on HIV Pathogenesis, Treatment and Prevention, Cape Town, 19-22 July
Sheehy,Meredith; Scorgie,Fiona; Mini,Nomtandazo Patricia; Tun,Waimar; Kellerman,Scott E.
Publication date: 2009

Multiple concurrent partnerships and gender power dynamics: Findings from a survey of church-goers in the Eastern Cape, South Africa
 (abstract) (PDF) 
Poster presentation at 5th International AIDS Society (IAS) Conference on HIV Pathogenesis, Treatment and Prevention, Cape Town, 19-22 July
Tun,Waimar; Sohaba,Nathi; Sheehy,Meredith
Publication date: 2009

Sexual risk behaviours of HIV-positive persons not receiving HIV treatment in Mombasa
 (PDF) 
Poster presentation at 5th International AIDS Society (IAS) Conference on HIV Pathogenesis, Treatment and Prevention, Cape Town, 19-22 July
Sarna,Avina; Chersich,Matthew F.; Luchters,Stanley; Pickett,Melissa; Tun,Waimar; Okal,Jerry; Rutenberg,Naomi; Temmerman,Marleen
Publication date: 2009

The Men's Health Network, Nigeria (MHNN): Social networking, social franchising, new technologies, and traditional prevention for high-risk men, including MSM (abstract) (PDF) 
Poster presentation at 5th International AIDS Society (IAS) Conference on HIV Pathogenesis, Treatment and Prevention, Cape Town, 19-22 July
Karlyn,Andrew; Adebajo,Sylvia; Nwachukwu,Chukwuemeka; Darby,Heather; Tun,Waimar; Kellerman,Scott E.
Publication date: 2009

Do church members think that the church has a role to play in promoting mutual monogamy and HIV prevention in their own congregation? Insights from the Eastern Cape, South Africa (abstract)  
Presentation at American Public Health Association 135th Annual Meeting and Exposition, Washington DC, 3-7 November
Tun,Waimar; Sohaba,Nathi; Esu-Williams,Eka
Publication date: 2007

Improving HIV programs for men who sell sex to men in Mombasa, Kenya  
Presentation at Scaling Up Through Partnerships: 2007 HIV/AIDS Implementers' Meeting, Kigali, Rwanda, 16-19 June
Geibel,Scott; Luchters,Stanley; King'ola,Nzioki; Rinyiru,Agnes; Esu-Williams,Eka; Tun,Waimar
Publication date: 2007

Informing HIV and STI prevention programs for men who sell sex to men in Mombasa, Kenya  
Presentation at American Public Health Association 135th Annual Meeting and Exposition, Washington DC, 3-7 November
Geibel,Scott; Luchters,Stanley; King'ola,Nzioki; Rinyiru,Agnes; Esu-Williams,Eka; Tun,Waimar
Publication date: 2007

Partnering with FBOs and church leaders to promote mutual monogamy in the Eastern Cape Province (abstract)  
Presentation at 3rd South African AIDS Conference, Durban, 5-8 June
Sohaba,Nathi; Esu-Williams,Eka; Tun,Waimar
Publication date: 2007

Promotion of mutual monogamy in churches in the Eastern Cape, South Africa: Usefulness and acceptability of Making the Promise, Keeping the Promise: A Faith-based Curriculum for Promoting Mutual Monogamy (abstract)  
Presentation at American Public Health Association 135th Annual Meeting and Exposition, Washington DC, 3-7 November
Tun,Waimar; Esu-Williams,Eka; Sohaba,Nathi
Publication date: 2007

Recruitment of injection drug users in two cities in India using respondent-driven sampling for an HIV-related behavioral survey (PDF) 
Presentation at Second International Conference on Surveying Health in Complex Situations, Brussels, June
Tun,Waimar; Sarna,Avina; Bhattacharya,Aruna; Apicella,Louis
Publication date: 2007