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Incidence of HIV Infection in Young Gay, Bisexual, and Other YMSM: The P18 Cohort Study

Perry Halkitis1, Farzana Kapadia, Danielle Ompad

  • 1Center for Health, Identity, Behavior and Prevention Studies, The Steinhardt School of Culture, Education, and Human Development, New York University, New York, NY.

Journal of Acquired Immune Deficiency Syndromes (1999)
|June 27, 2015
PubMed
Abstract

Insights

HIV infections are rising among young men who have sex with men (YMSM). Black and mixed-race YMSM face significantly higher risks, highlighting the need for tailored prevention strategies.

Area of Science:

  • Public Health
  • Epidemiology
  • Social Sciences

Background:

  • HIV infections continue to increase among young gay, bisexual, and other men who have sex with men (YMSM).
  • Existing prevention methods and biomedical technologies have not fully curbed the rise in new infections within this demographic.

Purpose of the Study:

  • To investigate the incidence of Human Immunodeficiency Virus (HIV).
  • To identify demographic, behavioral, and structural factors associated with new HIV infections in young YMSM.

Main Methods:

  • A prospective cohort study design was employed.
  • Six hundred YMSM, aged 18-19 years at the study's commencement, were followed.
  • Data were collected over 36 months across six waves.

Main Results:

  • The study detected 43 (7.2%) incident HIV cases over 36 months.
  • Higher HIV prevalence in neighborhoods correlated with increased incident infections.
  • Significant risk factors included Black (HR=7.46) and mixed/other race (HR=7.99) YMSM, with older age at sexual debut (HR=0.50) showing a protective effect. Low perceived familial socioeconomic status was marginally associated with increased risk (HR=2.45).

Conclusions:

  • Findings underscore existing HIV disparities among sexual minority men.
  • Effective HIV prevention for young YMSM requires addressing behavioral, structural, and social determinants.
  • Particular attention must be paid to racial and ethnic minority YMSM due to heightened acquisition risks.

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