The objective of this
egocentric network study was to investigate engagement in serosorting by HIV
status and risk for HIV between seroconcordant and serodiscordant ego-alter
dyads.
Respondent-driving sampling was used to recruit 433 Nigerian men who have sex with men (MSM) from 2013 to 2014. Participant (ego) characteristics and that of five sex partners (alters) were collected. Seroconcordancy was assessed at the ego level and for each dyad. Among 433 egos, 18 % were seroconcordant with all partners.
Among 880 dyads where participants knew their HIV status, 226 (25.7 %) were seroconcordant, with 11.7 % of HIV positive dyads seroconcordant and 37.0 % of HIV negative dyads seroconcordant. Seroconcordant dyads reported fewer casual sex partners, less partner concurrency, and partners who had ever injected drugs, but condom use did not differ significantly.
Serosorting may be a viable risk reduction strategy among Nigerian MSM, but awareness of and communication about HIV status should be increased. Future studies should assess serosorting on a partner-by-partner basis.
Respondent-driving sampling was used to recruit 433 Nigerian men who have sex with men (MSM) from 2013 to 2014. Participant (ego) characteristics and that of five sex partners (alters) were collected. Seroconcordancy was assessed at the ego level and for each dyad. Among 433 egos, 18 % were seroconcordant with all partners.
Among 880 dyads where participants knew their HIV status, 226 (25.7 %) were seroconcordant, with 11.7 % of HIV positive dyads seroconcordant and 37.0 % of HIV negative dyads seroconcordant. Seroconcordant dyads reported fewer casual sex partners, less partner concurrency, and partners who had ever injected drugs, but condom use did not differ significantly.
Serosorting may be a viable risk reduction strategy among Nigerian MSM, but awareness of and communication about HIV status should be increased. Future studies should assess serosorting on a partner-by-partner basis.
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By:
- 1Institute of Human Virology University of Maryland School of Medicine, 725 W Lombard St., Baltimore, MD, 21201, USA. crodri32@jhu.edu.
- 2Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. crodri32@jhu.edu.
- 3University of Maryland School of Public Health, College Park, MD, USA.
- 4Institute of Human Virology University of Maryland School of Medicine, 725 W Lombard St., Baltimore, MD, 21201, USA.
- 5International Center on Advocacy and Rights to Health, Abuja, Nigeria.
- 6Division of Neurotherapeutics, Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
- 7U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
- 8Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA.
- 9Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
- AIDS Behav. 2016 Feb 24.
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