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  1. Fulltext. Sociometric risk networks and risk for HIV infection.

    Article - En anglais

    Fulltext.

    objectives

    This study examined whether networks of drug-injecting and sexual relationships among drug injectors are associated with individual human immuodeficiency virus (HIV) serostatus and with behavioral likelihood of future infection.

    Methods

    A cross-sectional survey of 767 drug injectors in New York City was performed with chain-referral and linking procedures to measure large-scale (sociometric) risk networks.

    Graph-theoretic algebraic techniques were used to detect 92 connected components (drug injectors linked to each other directly or through others) and a 105-member 2-core within a large connected component of 230 members.

    Results

    Drug injectors in the 2-core of the large component were more likely than others to be infected with HIV.

    Seronegative 2-core members engaged in a wide range of high-risk behaviors, including engaging in risk behaviors with infected drug injectors.

    Conclusions

    Sociometric risk networks seem to be pathways along which HIV travels in drug-injecting peer groups.

    The cores of large components can be centers of high-risk behaviors and can become pockets of HIV infection.

    Preventing HIV from reaching the cores of large components may be crucial in preventing widespread HIV epidermics.

    Mots-clés Pascal : SIDA, Virose, Infection, Virus immunodéficience humaine, Lentivirinae, Retroviridae, Virus, Sociométrie, Comportement individuel, Toxicomanie, Facteur risque, Homme, Etats Unis, Amérique du Nord, Amérique, Immunopathologie, Immunodéficit

    Mots-clés Pascal anglais : AIDS, Viral disease, Infection, Human immunodeficiency virus, Lentivirinae, Retroviridae, Virus, Sociometry, Individual behavior, Drug addiction, Risk factor, Human, United States, North America, America, Immunopathology, Immune deficiency

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0478717

    Code Inist : 002B06D01. Création : 03/02/1998.