Serosorting and Sexual Risk for HIV Infection at the Ego-Alter Dyadic Level: An Egocentric Sexual Network Study Among MSM in Nigeria

被引:6
|
作者
Rodriguez-Hart, Cristina [1 ,2 ]
Liu, Hongjie [3 ]
Nowak, Rebecca G. [1 ]
Orazulike, Ifeanyi [4 ]
Zorowitz, Sam [5 ,6 ]
Crowell, Trevor A. [7 ,8 ]
Baral, Stefan D. [2 ]
Blattner, William [1 ]
Charurat, Man [1 ]
机构
[1] Univ Maryland, Sch Med, Inst Human Virol, 725 W Lombard St, Baltimore, MD 21201 USA
[2] Johns Hopkins Bloomberg Sch Publ Hlth, Baltimore, MD 21205 USA
[3] Univ Maryland, Sch Publ Hlth, College Pk, MD 20742 USA
[4] Int Ctr Advocacy & Rights Hlth, Abuja, Nigeria
[5] Massachusetts Gen Hosp, Dept Psychiat, Div Neurotherapeut, Boston, MA 02114 USA
[6] Harvard Med Sch, Boston, MA USA
[7] Walter Reed Army Inst Res, US Mil HIV Res Program, Silver Spring, MD USA
[8] Henry M Jackson Fdn Adv Mil Med, Bethesda, MD USA
关键词
HIV serosorting; men who have sex with men; sexual behavior; egocentric network; Nigeria; UNPROTECTED ANAL INTERCOURSE; REDUCTION PRACTICES; MEN; PREVALENCE; GAY; INDIVIDUALS; SWITZERLAND; WITHDRAWAL; PARTNERS; CITY;
D O I
10.1007/s10461-016-1311-3
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
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.
引用
收藏
页码:2762 / 2771
页数:10
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