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Seroconversion issues among out-of-treatment injection drug users
D G Fisher1, A M Fenaughty, B Trubatch
1University of Alaska, Anchorage 99508, USA. afdgf@uaa.alaska.edu
Journal of Psychoactive Drugs
|November 3, 1998
Summary
Injection drug use, particularly cocaine, is a significant risk factor for HIV seroconversion. This national study confirmed previous findings, emphasizing the need for targeted interventions among drug users to prevent HIV transmission.
Area of Science:
- Public Health
- Epidemiology
- Infectious Diseases
Background:
- Numerous risk factors for HIV incidence among drug users are documented, but often based on limited, local samples.
- The National Institute on Drug Abuse (NIDA) established a national database through its Cooperative Agreement for AIDS Community-Based Outreach/Intervention Research (CA) to address this gap.
Purpose of the Study:
- To validate previously reported HIV risk factors using a large, national dataset of drug users.
- To identify key predictors of HIV seroconversion within this population.
Main Methods:
- Analysis of a national database of 6,970 HIV-seronegative drug users with complete data, including biannual blood draws.
- Bivariate analysis of 29 identified risk factors, with exclusion of sites having no seroconversions.
- Stratified analysis of data from high-prevalence and low-prevalence sites.
Main Results:
- A seroconversion rate of 1.49 per 100 person-years at risk was observed (56 cases).
- Overall, frequent injection of any drug, ever injecting drugs, and frequency/recency of cocaine and speedball injection were significant risk factors.
- Use of recently formerly-used injection equipment also showed significance.
- High-prevalence sites showed associations with injecting any drug, cocaine, and speedball; low-prevalence sites with injecting any drug and cocaine.
Conclusions:
- Injection drug use, especially cocaine injection, remains a critical risk factor for recent HIV seroconversion.
- Findings underscore the importance of targeted interventions focusing on injection practices and equipment use to curb HIV spread in drug-using populations.