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Reproductive Health Matters
An international journal on sexual and reproductive health and rights
Volume 12, 2004 - Issue 23: Sexuality, rights and social justice
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Original Articles

Sex Workers in Kenya, Numbers of Clients and Associated Risks: An Exploratory Survey

(Director) , (Lecturer in Biostatistics) & (Research Assistant)
Pages 50-57 | Published online: 18 May 2004

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Read on this site (24)

Brian Willis, Kathryn Church, Emily Perttu, Heather Thompson, Swarna Weerasinghe & Wendy Macias-Konstantopoulos. (2023) The preventable burden of mortality from unsafe abortion among female sex workers: a Community Knowledge Approach survey among peer networks in eight countries. Sexual and Reproductive Health Matters 31:1.
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Samantha Chareka, Tamaryn L. Crankshaw & Pemberai Zambezi. (2021) Economic and social dimensions influencing safety of induced abortions amongst young women who sell sex in Zimbabwe. Sexual and Reproductive Health Matters 29:1, pages 121-132.
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Susan Gichuna, Rahma Hassan, Teela Sanders, Rosie Campbell, Mercy Mutonyi & Peninah Mwangi. (2020) Access to Healthcare in a time of COVID-19: Sex Workers in Crisis in Nairobi, Kenya. Global Public Health 15:10, pages 1430-1442.
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Shirley J. Semple, Heather A. Pines, Alicia Harvey Vera, Eileen V. Pitpitan, Gustavo Martinez, M. Gudelia Rangel, Steffanie A. Strathdee & Thomas L. Patterson. (2020) Maternal role strain and depressive symptoms among female sex workers in Mexico: the moderating role of sex work venue. Women & Health 60:3, pages 284-299.
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Andrea Wilson, Helgar Musyoki, Lisa Avery, Eve Cheuk, Peter Gichangi, Parinita Bhattacharjee, Janet Musimbe, Stella Leung, James Blanchard, Stephen Moses, Sharmistha Mishra & Marissa Becker. (2020) Sexual and reproductive health among adolescent girls and young women in Mombasa, Kenya. Sexual and Reproductive Health Matters 28:1.
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Christy A. Denckla, Linnet Ongeri, Linet Ouma, Benson Singa, Charity Maingi, Rose Bosire, Phelgona Otieno, Danvers Omolo, David C. Henderson, Lori B. Chibnik, Karestan C. Koenen & Veronica Manduku. (2019) Prevalence of Parental Bereavement Among Female Sex Workers (FSW) in Kibra, Kenya. Journal of Loss and Trauma 24:2, pages 129-142.
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Robert Lorway, Shamshad Khan, Claudyne Chevrier, Anthony Huynh, Juying Zhang, Xiao Ma, James Blanchard & Nancy Yu. (2017) Sex work in geographic perspective: a multi-disciplinary approach to mapping and understanding female sex work venues in Southwest China. Global Public Health 12:5, pages 545-564.
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Katherine A. Muldoon, Monica Akello, Godfrey Muzaaya, Annick Simo, Jean Shoveller & Kate Shannon. (2017) Policing the epidemic: High burden of workplace violence among female sex workers in conflict-affected northern Uganda. Global Public Health 12:1, pages 84-97.
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Karen R. Katz, Misti McDowell, Laura Johnson & Sultana Aziz. (2016) ‘I won’t be able to go home being pregnant’: sex work and pregnancy in Dhaka, Bangladesh. Culture, Health & Sexuality 18:7, pages 756-769.
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Putu Duff, Jean Shoveller, Jill Chettiar, Cindy Feng, Rachel Nicoletti & Kate Shannon. (2015) Sex Work and Motherhood: Social and Structural Barriers to Health and Social Services for Pregnant and Parenting Street and Off-Street Sex Workers. Health Care for Women International 36:9, pages 1039-1055.
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Hung-Hao Chang & Yungho Weng. (2015) Working in the Dark: A Look at the Violence Risk of the Street Prostitution Service. Journal of Social Service Research 41:4, pages 545-555.
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Despina Learmonth, Suvi Hakala & Marike Keller. (2015) “I can't carry on like this”: barriers to exiting the street-based sex trade in South Africa. Health Psychology and Behavioral Medicine 3:1, pages 348-365.
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Heather M. Marlow, Kristen Shellenberg & Erick Yegon. (2014) Abortion services for sex workers in Uganda: successful strategies in an urban clinic. Culture, Health & Sexuality 16:8, pages 931-943.
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Allison P. Pack, Kelly L’Engle, Peter Mwarogo & Nzioki Kingola. (2014) Intimate partner violence against female sex workers in Mombasa, Kenya. Culture, Health & Sexuality 16:3, pages 217-230.
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Fiona Scorgie, Daisy Nakato, Eric Harper, Marlise Richter, Sian Maseko, Prince Nare, Jenni Smit & Matthew Chersich. (2013) ‘We are despised in the hospitals’: sex workers' experiences of accessing health care in four African countries. Culture, Health & Sexuality 15:4, pages 450-465.
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EileenA. Yam , Freddy Tinajeros, Rita Revollo, Kara Richmond, DeannaL. Kerrigan & SandraG. Garcia. (2013) Contraception and Condom Use Among Bolivian Female Sex Workers: Relationship-Specific Associations Between Disease Prevention and Family Planning Behaviors. Health Care for Women International 34:3-4, pages 249-262.
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E. N. Ngugi, E. Roth, Theresa Mastin, M. G. Nderitu & Seema Yasmin. (2012) Female sex workers in Africa: Epidemiology overview, data gaps, ways forward. SAHARA-J: Journal of Social Aspects of HIV/AIDS 9:3, pages 148-153.
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Deborah Warr, Rosemary Mann & Theonie Tacticos. (2011) Using peer‐interviewing methods to explore place‐based disadvantage: dissolving the distance between suits and civilians. International Journal of Social Research Methodology 14:5, pages 337-352.
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Elizabeth G. Sutherland, Jane Alaii, Sharon Tsui, Stanley Luchters, Jerry Okal, Nzioke King'ola, Marleen Temmerman & Barbara Janowitz. (2011) Contraceptive needs of female sex workers in Kenya – A cross-sectional study. The European Journal of Contraception & Reproductive Health Care 16:3, pages 173-182.
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Jerry Okal, MatthewF. Chersich, Sharon Tsui, Elizabeth Sutherland, Marleen Temmerman & Stanley Luchters. (2011) Sexual and physical violence against female sex workers in Kenya: a qualitative enquiry. AIDS Care 23:5, pages 612-618.
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Mayumi Ohnishi & Ermelinda NotiÇO. (2011) Reduction of Health-Related Risks Among Female Commercial Sex Workers: Learning From Their Life and Working Experiences. Health Care for Women International 32:3, pages 243-260.
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Subadra Panchanadeswaran, SethulakshmiC. Johnson, VivianF. Go, A.K. Srikrishnan, Sudha Sivaram, Suniti Solomon, MargaretE. Bentley & David Celentano. (2007) Using the Theory of Gender and Power to Examine Experiences of Partner Violence, Sexual Negotiation, and Risk of HIV/AIDS Among Economically Disadvantaged Women in Southern India. Journal of Aggression, Maltreatment & Trauma 15:3-4, pages 155-178.
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R. Mellor & A. Lovell. (2011) The lived experience of UK street-based sex workers and the health consequences: an exploratory study. Health Promotion International 27:3, pages 311-322.
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Alberto Pereira Madeiro & Andréa Cronemberger Rufino. (2012) Aborto induzido entre prostitutas: um levantamento pela técnica de urna em Teresina - Piauí. Ciência & Saúde Coletiva 17:7, pages 1735-1743.
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Frederik Graw, Thomas Leitner & Ruy M. Ribeiro. (2012) Agent-based and phylogenetic analyses reveal how HIV-1 moves between risk groups: Injecting drug users sustain the heterosexual epidemic in Latvia. Epidemics 4:2, pages 104-116.
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Christopher Hartworth, Joanne Hartworth & Ian Convery. (2012) Knowledge Mapping & Working with Difficult to Reach Groups: Sex Work Knowledge in the City. Advances in Applied Sociology 02:01, pages 81-88.
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Putu Duff, Jean Shoveller, Ruth Zhang, Debbie Alexson, Julio SG Montaner & Kate Shannon. (2011) High Lifetime Pregnancy and Low Contraceptive Usage Among Sex Workers Who Use Drugs- An Unmet Reproductive Health Need. BMC Pregnancy and Childbirth 11:1.
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Guy Morineau, Graham Neilsen, Sopheab Heng, Chansy Phimpachan & Dyah E. Mustikawati. (2011) Falling through the cracks: contraceptive needs of female sex workers in Cambodia and Laos,. Contraception 84:2, pages 194-198.
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Maria F. GalloLee WarnerApril J. BellElizabeth A. BukusiAnjali SharmaBetty NjorogeElizabeth NgugiDenise J. JamiesonDavid A. Eschenbach. (2011) Determinants of Condom Use Among Female Sex Workers in Kenya: A Case-Crossover Analysis. Journal of Women's Health 20:5, pages 733-738.
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Ronan Conroy. 2011. User-Driven Healthcare and Narrative Medicine. User-Driven Healthcare and Narrative Medicine 191 209 .
Laith J Abu-Raddad, Nahla Hilmi, Ghina Mumtaz, Manal Benkirane, Francisca Ayodeji Akala, Gabriele Riedner, Oussama Tawil & David Wilson. (2010) Epidemiology of HIV infection in the Middle East and North Africa. AIDS 24:Suppl 2, pages S5-S23.
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Willis Omondi Odek, Joanna Busza, Chester N. Morris, John Cleland, Elizabeth N. Ngugi & Alan G. Ferguson. (2008) Effects of Micro-Enterprise Services on HIV Risk Behaviour Among Female Sex Workers in Kenya’s Urban Slums. AIDS and Behavior 13:3, pages 449-461.
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Maria R. Khan, Abigail Norris Turner, Audrey Pettifor, Kathleen Van Damme, Ny Lovaniaina Rabenja, Noro Ravelomanana, Teresa Swezey, D'Nyce Williams, Denise Jamieson & Frieda Behets. (2009) Unmet need for contraception among sex workers in Madagascar. Contraception 79:3, pages 221-227.
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P M Leclerc & M Garenne. (2008) Commercial sex and HIV transmission in mature epidemics: a study of five African countries. International Journal of STD & AIDS 19:10, pages 660-664.
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Domingo Ojer Tsakiridu, Amalia Franco Vidal, Fernando Vázquez Valdés, Maria Luisa Junquera Llaneza, Jose Antonio Varela Uría, Mar Cuesta Rodríguez, Carmen López Sanchez, Margarita Busto Folgosa & Maria Jesús Fernández Ollero. (2008) Factors Associated with Induced Abortion in Women Prostitutes in Asturias (Spain). PLoS ONE 3:6, pages e2358.
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Nico JD Nagelkerke, Stephen Moses, Sake J de Vlas & Robert C Bailey. (2007) Modelling the public health impact of male circumcision for HIV prevention in high prevalence areas in Africa. BMC Infectious Diseases 7:1.
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Jaime E. Barrientos, Michel Bozon, Edith Ortiz & Anabella Arredondo. (2007) HIV prevalence, AIDS knowledge, and condom use among female sex workers in Santiago, Chile. Cadernos de Saúde Pública 23:8, pages 1777-1784.
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Paul J. Feldblum, Marlina D. Nasution, Theresa H. Hoke, Kathleen Van Damme, Abigail N. Turner, Rebecca Gmach, Emelita L. Wong & Frieda Behets. (2007) Pregnancy among sex workers participating in a condom intervention trial highlights the need for dual protection. Contraception 76:2, pages 105-110.
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Eva Deuchert & Stuart Brody. (2007) Plausible and Implausible Parameters for Mathematical Modeling of Nominal Heterosexual HIV Transmission. Annals of Epidemiology 17:3, pages 237-244.
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H. A. C. M. Voeten, O. B. Egesah, C. M. Varkevisser & J. D. F. Habbema. (2006) Female sex workers and unsafe sex in urban and rural Nyanza, Kenya: regular partners may contribute more to HIV transmission than clients. Tropical Medicine & International Health 12:2, pages 174-182.
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Catherine S. Todd, Gulchaekra Alibayeva, Jose L. Sanchez, Christian T. Bautista, Jean K. Carr & Kenneth C. Earhart. (2006) Utilization of contraception and abortion and its relationship to HIV infection among female sex workers in Tashkent, Uzbekistan. Contraception 74:4, pages 318-323.
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Anjali Sharma, Elizabeth Bukusi, Samuel Posner, Douglas Feldman, Elizabeth Ngugi & Craig R. Cohen. (2006) Sex preparation and diaphragm acceptability in sex work in Nairobi, Kenya. Sexual Health 3:4, pages 261.
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