alexa Characteristics and Health Service Utilization in Two Samples of Young Injection Drug Users Recruited Using Direct and Referral Methods in San Francisco, California | Abstract
ISSN: 2329-6488

Journal of Alcoholism & Drug Dependence
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Research Article

Characteristics and Health Service Utilization in Two Samples of Young Injection Drug Users Recruited Using Direct and Referral Methods in San Francisco, California

Alya Briceno1, Meghan D Morris1, Jennifer Evans1, Fisher H Raymond2 and Kimberly Page1*

1University of California San Francisco, 50 Beale St., San Francisco, CA, 94105, USA

2San Francisco Department of Public Health, 25 Van Ness Ave., San Francisco, CA, 94102, USA

*Corresponding Author:
Kimberly Page
Department of Epidemiology and Biostatistics
University of California San Francisco
50 Beale St., Ste 1200
San Francisco, CA 94105, USA
E-mail: [email protected]

Received date: April 24, 2013; Accepted date: July 24, 2013; Published date: July 26, 2013

Citation: Briceno A, Morris MD, Evans J, Raymond FH, Page K (2013) Characteristics and Health Service Utilization in Two Samples of Young Injection Drug Users Recruited Using Direct and Referral Methods in San Francisco, California. J Alcoholism Drug Depend 1:126. doi:10.4172/2329-6488.1000126

Copyright: © 2013 Briceno A. et al, This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Background: Targeted sampling (TS) and respondent-driven sampling (RDS) methods are methods used to recruit ‘hard-to-reach’ populations. We examine similarities and differences in population characteristics and health service utilization, in two independent samples of young adult injection drug users (IDU).

Methods: Data from two samples of young adult (18-29 years) IDU sampled using RDS (N=31) and TS (N=97) in San Francisco, California were compared: (1) a cross-sectional study of IDU using RDS as part of the National HIV Behavioral Survey (NHBS) IDU-2 Study conducted by the San Francisco Department of Public Health, from May 2009 to December 2009; and (2) the UFO Study, an ongoing prospective study of young IDU that used TS methods to sample young IDU (<30 years) from May 2010 to December 2010.

Results: Compared to the TS sample, the RDS sample was more heterogeneous demographically: a higher proportion of women, and racial/ethnic diversity; a significantly larger proportion of the RDS sample (vs. TS) previously received an HIV test (98.6% vs. 88.5%) whereas the TS sample had a significantly higher prevalence of HCV (58.7% vs. 15.1%).

Conclusion: TS and RDS reached a similar cross section of the young adult IDU population in San Francisco; however, some notable differences were observed, especially in HCV infection prevalence. The findings highlight the need for continued efforts to improve sampling strategies aimed high risk IDU, so as to inform both public health surveillance, research and prevention interventions.


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