ArticleHarm reduction journal2022
Egocentric network characteristics of people who inject drugs in the Chicago metro area and associations with hepatitis C virus and injection risk behavior.
Article in Harm reduction journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Characterizing the Geography of Drug Use Networks and Behaviors Among People Who Inject Drugs in the Baltimore Metropolitan Region.AIDS and behavior · 2026Article
- A Novel Index Measure of Housing-Related Risk as a Predictor of Overdose Among Young People Who Inject Drugs and Injection Networks.Journal of urban health : bulletin of the New York Academy of Medicine · 2026Article
- Perceptions of access to harm reduction services during the COVID-19 pandemic among people who inject drugs in metropolitan Chicago.PloS one · 2025Article
- Social-spatial network structures among young urban and suburban persons who inject drugs in a large metropolitan area.The International journal on drug policy · 2023Article
- Injection partnership characteristics and HCV status associations with syringe and equipment sharing among people who inject drugs.BMC public health · 2023Article
- Community-, network-, and individual-level predictors of uptake of medication for opioid use disorder among young people who inject drugs and their networks: A multilevel analysis.Drug and alcohol dependence · 2023Article
- Integrating harm reduction and addiction care in HIV prevention among persons who inject drugs in the United States-a narrative review.Therapeutic advances in infectious diseaseReview
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
backgroundHepatitis C (HCV) infection has been rising in the suburban and rural USA, mainly via injection-based transmission. Injection and sexual networks are recognized as an important element in fostering and preventing risky behavior; however, the role of social support networks has received somewhat less attention.
methodsUsing baseline data from an ongoing longitudinal study, we examined the composition and structure of injection drug use (IDU), sex, and social support networks of young people who inject drugs (aged 18-30) and their injection network members. Lasso logistic regression was used to select a subset of network characteristics that were potentially important predictors of injection risk behaviors and HCV exposure.
resultsSeveral measures of IDU, sexual, and support network structure and composition were found to be associated with HCV exposure, receptive syringe sharing (RSS), and ancillary equipment sharing. Gender and sexual relationships were important factors for all risk behaviors. Support network characteristics were also important, notably including a protective effect of majority Hispanic support networks for RSS and HCV exposure. Both IDU network residence heterogeneity and support network geography were associated with injection equipment sharing.
conclusionsThe associations of IDU and support network geography with equipment sharing highlight the need to extend harm reduction efforts beyond urban areas. Greater understanding of support network influences on risk behavior may provide important insights to strengthen the benefits of harm reduction. In considering the probability of HCV transmission, it is important to consider setting and network structures that promote propagation of risk.
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