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Multiplex crack smoking and sexual networks: associations between network members' incarceration and HIV risks among

Kayo Fujimoto1, Ju Yeong Kim2, Michael W Ross3

  • 1Department of Health Promotion & Behavioral Sciences, School of Public Health, The University of Texas Health Science Center at Houston, 7000 Fannin Street, UCT 2514, Houston, TX, 77030, USA. Kayo.Fujimoto@uth.tmc.edu.

Journal of Behavioral Medicine
|July 16, 2016
PubMed

Insights

Longer incarceration among incarcerated men who have sex with men (MSM) and their associates increased HIV infection risks. This risk extended through social networks, highlighting the need for system-level HIV interventions.

Area of Science:

  • Public Health
  • Epidemiology
  • Social Sciences

Background:

  • Men who have sex with men (MSM) involved in drug use and incarceration face significant HIV risks.
  • Understanding the social and sexual networks of these individuals is crucial for effective HIV prevention.

Purpose of the Study:

  • To examine HIV risks within the crack-smoking and sexual networks of incarcerated drug-using MSM.
  • To assess the association between incarceration duration, HIV infection, and sex trading among network members.

Main Methods:

  • Analysis of 508 crack-smoking or sexual partnerships from 273 high-risk MSM.
  • Network members categorized by crack smoking and sexual behavior, or crack smoking only.
  • Estimation of associations between incarceration, HIV status, and sex trading using adjusted odds ratios (AOR).

Main Results:

  • Extended incarceration was significantly associated with self-reported HIV infection (AOR = 1.61) and trading sex for money (AOR = 2.77).
  • These associations were observed across multiple tiers of the social network, extending to partners' partners' partners (AOR = 1.63).

Conclusions:

  • Incarceration plays a significant role in HIV transmission within MSM networks.
  • System-level HIV interventions targeting formerly incarcerated MSM and their associates are urgently needed.
Keywords:
Criminal justice involvementHIV STI/infectionHIV transmission networksMen who have sex with menNetwork proximitySocial network analysisThree degrees of influence

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