Centers for Disease Control and Prevention. Estimates of new HIV infections in the United States. 2008. http://www.cdc.gov/hiv/topics/surveillance/resources/factsheets/pdf/incidence.pdf. Accessed 28 Jan 2009.
Centers for Disease Control and Prevention. Women and HIV fact sheet. 2008. http://www.cdc.gov/hiv/topics/women/resources/factsheets/pdf/women.pdf. Accessed 27 Jan 2009.
Essien EJ, Meshack AF, Peters RJ, Ogungbade GO, Osemene NI. Strategies to prevent HIV transmission among heterosexual African-American women. Int J Equity Health. 2009;4(1):4.
Cohan D, Kim A, Ruiz J, et al. Health indicators among low income women who report a history of sex work: the population based northern California young women’s study. Sex Transm Infect. 2005;81:428–33.
Lauby JL, Smith PJ, Stark M, Person B, Adams J. A community-level HIV prevention intervention for inner-city women: results of the women and infants demonstration projects. Am J Public Health. 2000;90(2):216–22.
Richards JE, Risser JM, Padgett PM, Rehman HU, Wolverton ML, Arafat RR. Condom use among high-risk heterosexual women with concurrent sexual partnerships, Houston, Texas, USA. Int J STD AIDS. 2008;19(11):768–71.
Copas AJ, Mercer CH, Farewell VT, Nanchahal K, Johnson AM. Recent heterosexual partnerships and patterns of condom use: a weighted analysis. Epidemiology. 2008;20(1):44–51.
Jones D, Irwin K, Inciardi J, The Multicenter Crack Cocaine and HIV Infection Study Team. The high-risk sexual practices of crack-smoking sex workers recruited from the streets of three American cities. Sex Transm Dis. 1998;25(4):187–93.
Kilmarx PH, Palanuvej T, Limpakarnjanarat K, Chitvarakorn A, St Louis ME, Mastro TD. Seroprevalence of HIV among female sex workers in Bangkok: evidence of ongoing infection risk after the “100% condom program” was implemented. J Acquir Immune Defic Syndr. 1999;21:313–6.
Nemoto T, Operario D, Takenaka M, Iwamoto M, Le MN. HIV risk among Asian women working at massage parlors in San Francisco. AIDS Educ Prev. 2003;15(3):245–56.
Elifson KW, Boles J, Darrow WW, Sterk C. HIV seroprevalence and risk factors among clients of female and male prostitutes. J Acquir Immune Defic Syndr. 1999;20(2):195–200.
Gallagher KM, Sullivan PS, Lansky A, Onorato IM. Behavioral surveillance among people at risk for HIV infection in the U.S.: the National Behavioral Surveillance System. Public Health Rep. 2007;122(Suppl 1):32–8.
Heckathorn D. Respondent-driven sampling: a new approach to the study of hidden population. Soc Probl. 1997;44(2):174–99.
Johnston LG, Malekinejad M, Kendall C, Iuppa IM, Rutherford GW. Implementation challenges to using respondent-driven sampling methodology for HIV biological and behavioral surveillance: field experiences in international settings. AIDS Behav. 2008;12(4 Suppl):S131–41.
Kajubi P, Kamya MR, Raymond HF, et al. Gay and bisexual men in Kampla, Uganda. AIDS Behav. 2007;12(3):492–504.
Malekinejad M, Johnston LG, Kendall C, Kerr LR, Rifkin MR, Rutherford GW. Using respondent-driven sampling methodology for HIV biological and behavioral surveillance in international settings: a systematic review. AIDS Behav. 2008;12(4 Suppl):S105–30.
Raymond HF, Kajubi P, Kamya MR, Rutherford GW, Mandel JS, McFarland W. Correlates of unprotected receptive anal intercourse among gay and bisexual men: Kampala, Uganda. AIDS Behav. 2009;13(4):677–81.
Ruan S, Yang H, Zhu Y, et al. Rising HIV prevalence among married and unmarried men who have sex with men: Jinan, China. AIDS Behav. 2009;13(4):671–6.
Ruan S, Yang H, Zhu Y, et al. HIV prevalence and correlates of unprotected anal intercourse among men who have sex with men, Jinan, China. AIDS Behav. 2008;12(3):469–75.
R Development Core Team. R, version 2.8.1. Available at: http://cran.r-project.org/.
Volz E, Wejnert C, Degani I, Heckathorn DD. Respondent-driven sampling analysis tool (RDSAT), version 5.6. Available at: http://respondentdrivensampling.org/.
Risser JMH, Padget P, Wolverton M, Risser WL. Relationship between heterosexual anal sex, injection drug use among black men and women. Int J STD AIDS. 2009;20:310–4.