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AJPH First Look, published online ahead of print Apr 26, 2007
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AJPH.2005.072249v1
97/6/1067    most recent
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June 2007, Vol 97, No. 6 | American Journal of Public Health 1067-1075
© 2007 American Public Health Association
DOI: 10.2105/AJPH.2005.072249

RESEARCH AND PRACTICE

Prevalence of HIV Infection and Predictors of High-Transmission Sexual Risk Behaviors Among Men Who Have Sex With Men

Sandra Schwarcz, MD, MPH, Susan Scheer, PhD, MPH, Willi McFarland, MD, PhD, Mitchell Katz, MD, Linda Valleroy, PhD, Sanny Chen, MPH and Joseph Catania, PhD

Sandra Schwarcz, Susan Scheer, Willi McFarland, Mitchell Katz, and Sanny Chen are with the San Francisco Department of Public Health, Calif. Linda Valleroy is with the Centers for Disease Control and Prevention, Atlanta, Ga. At the time of the study, Joseph Catania was with the University of California, San Francisco.

Correspondence: Requests for reprints should be sent to Sandra Schwarcz, San Francisco Department of Public Health, 25 Van Ness Ave, Suite 500, San Francisco, CA 94102 (e-mail: sandy.schwarcz{at}sfdph.org).

Objectives. We sought to determine the prevalence of HIV and novel cofactors of high-transmission-risk behavior in a probability sample of men who have sex with men (MSM).

Methods. We performed a cross-sectional telephone survey of 1976 adult MSM in San Francisco.

Results. We found an HIV prevalence of 25.2%. Predictors of unprotected insertive anal intercourse with a serodiscordant (not having the same HIV/AIDS serostatus) partner among HIV-infected men included use of Viagra and a greater number of partners in the past 12 months. Unprotected receptive anal intercourse with a serodiscordant partner among men not known to be HIV infected was independently associated with having lived in San Francisco for less than 1 year, use of crystal methamphetamine and amyl nitrites, a greater number of partners, and agreement with the statement, "You are less careful about being safe with sex or drugs than you were several years ago because there are better treatments for HIV now."

Conclusions. Strategies to prevent HIV for urban MSM should focus on new predictors of HIV transmission.




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Receipt of Prevention Services Among HIV-Infected Men Who Have Sex with Men
Am J Public Health, June 1, 2008; 98(6): 1011 - 1014.
[Abstract] [Full Text] [PDF]


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