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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Frequency and determinants of unprotected sex among HIV-infected persons: The Swiss HIV cohort study
Clinical Infectious Diseases, Volume 51, No. 11, Year 2010
Notification
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Description
Background. Access to antiretroviral therapy may have changed condom use behavior. In January 2008, recommendations on condom use for human immunodeficiency virus (HIV)-positive persons were published in Switzerland, which allowed for unprotected sex under well-defined circumstances ("Swiss statement"). We studied the frequency, changes over time, and determinants of unprotected sex among HIV-positive persons. Methods. Self-reported information on sexual preference, sexual partners, and condom use was collected at semi-annual visits in all participants of the prospective Swiss HIV Cohort Study from April 2007 through March 2009. Multivariable logistic regression models were fit using generalized estimating equations to investigate associations between characteristics of cohort participants and condom use. Findings. A total of 7309 participants contributed to 21,978 visits. A total of 4291 persons (80%) reported sexual contacts with stable partners, 1646 (30%) with occasional partners, and 557 (10%) with stable and occasional partners. Of the study participants, 5838 (79.9%) of 7309 were receiving antiretroviral therapy, and of these, 4816 patients (82%) had a suppressed viral load. Condom use varied widely and differed by type of partner (visits with stable partners, 10,368 [80%] of 12,983; visits with occasional partners, 4300 [88%] of 4880) and by serostatus of stable partner (visits with HIV-negative partners, 7105 [89%] of 8174; visits with HIV-positive partners, 1453 [48%] of 2999). Participants were more likely to report unprotected sex with stable partners if they were receiving antiretroviral therapy, if HIV replication was suppressed, and after the publication of the "Swiss statement." Noninjection drug use and moderate or severe alcohol use were associated with unprotected sex. Conclusions. Antiretroviral treatment and plasma HIV RNA titers influence sexual behavior of HIV-positive persons. Noninjection illicit drug and alcohol use are important risk factors for unprotected sexual contacts. © 2010 by the Infectious Diseases Society of America. All rights reserved.
Authors & Co-Authors
Hasse, Barbara Katharina
Switzerland, Zurich
Universität Zürich
Ledergerber, Bruno
Switzerland, Zurich
Universität Zürich
Hirschel, B. J.
Switzerland, Geneva
Hôpitaux Universitaires de Genève
Vernazza, Pietro Luigi
Switzerland, St Gallen
Kantonsspital St.gallen
Glass, Tracy Renée
Switzerland, Basel
Universitat Basel
Elzi, Luigia
Switzerland, Basel
Universitätsspital Basel
Cavassini, Matthias L.
Switzerland, Lausanne
Université de Lausanne Unil
Bernasconi, Enos
Unknown Affiliation
Nicca, Dunja
Switzerland, St Gallen
Kantonsspital St.gallen
Weber, Rainer
Switzerland, Zurich
Universität Zürich
Barth, Jürgen
Unknown Affiliation
Battegay, Manuel
Unknown Affiliation
Bernasconi, Enos
Unknown Affiliation
Böni, Jürg
Unknown Affiliation
Bucher, Heíner C.C.
Unknown Affiliation
Bürgisser, Ph
Unknown Affiliation
Burton-Jeangros, Claudine
Unknown Affiliation
Cavassini, Matthias
Unknown Affiliation
Dubs, Rolf W.
Unknown Affiliation
Egger, Matthias
Unknown Affiliation
Fehr, Jan Sven
Unknown Affiliation
Fischer, Marek
Unknown Affiliation
Flepp, Markus J.
Unknown Affiliation
Francioli, Patrick B.
Unknown Affiliation
Furrer, Hansjakob
Unknown Affiliation
Fux, Christoph Andreas
Unknown Affiliation
Gorgievski, Meri
Unknown Affiliation
Günthard, Hüldrych Fritz
Unknown Affiliation
Hirsch, Hans H.
Unknown Affiliation
Hirschel, B.
Unknown Affiliation
Hösli, Irene Mathilde
Unknown Affiliation
Kahlert, Christian R.
Unknown Affiliation
Kaiser, Laurent K.
Unknown Affiliation
Keiser, Olivia
Unknown Affiliation
Kind, Christian H.
Unknown Affiliation
Klimkait, Thomas
Unknown Affiliation
Kovari, Helen
Unknown Affiliation
Martinetti, Gladys
Unknown Affiliation
Martínez de Tejada, Begoῆa
Unknown Affiliation
Müller, Nicolas J.
Unknown Affiliation
Nadal, David
Unknown Affiliation
Pantaleo, Giuseppe P.
Unknown Affiliation
Rauch, Andri
Unknown Affiliation
Regenass, Stephan
Unknown Affiliation
Rickenbach, Martin
Unknown Affiliation
Rudin, Christoph
Unknown Affiliation
Schmid, Patrick
Unknown Affiliation
Schültze, Detlev
Unknown Affiliation
Schöni-Affolter, Franziska
Unknown Affiliation
Schüpbach, Jörg Rg
Unknown Affiliation
Speck, Roberto F.
Unknown Affiliation
Taffé, Patrick
Unknown Affiliation
Telenti, Amalio
Unknown Affiliation
Trkola, Alexandra
Unknown Affiliation
von Wyl, Viktor
Unknown Affiliation
Yerly, Sabine T.B.D.
Unknown Affiliation
Statistics
Citations: 79
Authors: 56
Affiliations: 7
Identifiers
Doi:
10.1086/656809
ISSN:
10584838
Research Areas
Health System And Policy
Infectious Diseases
Sexual And Reproductive Health
Substance Abuse
Study Design
Cohort Study
Study Approach
Quantitative