The Open AIDS Journal

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Assessing the Assumptions of Respondent-Driven Sampling in the National HIV Behavioral Surveillance System among Injecting Drug Users

Amy Lansky*, 1, Amy Drake1, Cyprian Wejnert1, Huong Pham2, Melissa Cribbin1, Douglas D Heckathorn3
1 Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, USA
2 Northrop Grumman Corporation/BCA, Atlanta, Georgia, USA
3 Department of Sociology, Cornell University, Ithaca, NY, USA


Several assumptions determine whether respondent-driven sampling (RDS) is an appropriate sampling method to use with a particular group, including the population being recruited must know one another as members of the group (i.e., injection drug users [IDUs] must know each other as IDUs) and be networked and that the sample size is small relative to the overall size of the group. To assess these three assumptions, we analyzed city-specific data collected using RDS through the US National HIV Behavioral Surveillance System among IDUs in 23 cities. Overall, 5% of non-seed participants reported that their recruiter was “a stranger.” 20 cities with multiple field sites had ≥1 cross-recruitment, a proxy for linked networks. Sample sizes were small in relation to the IDU population size (median = 2.3%; range: 0.6%- 8.0%). Researchers must evaluate whether these three assumptions were met to justify the basis for using RDS to sample specific populations.

Keywords: HIV, respondent-driven sampling, injection drug use, behavioral surveillance..

Article Information

Identifiers and Pagination:

Year: 2012
Volume: 6
Issue: Suppl 1
First Page: 77
Last Page: 82
Publisher Id: TOAIDJ-6-77
DOI: 10.2174/1874613601206010077

Article History:

Received Date: 25/4/2011
Revision Received Date: 25/7/2011
Acceptance Date: 27/9/2011
Electronic publication date: 7/9/2012
Collection year: 2012

© Lansky et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, USA; Tel: 404-639-5200; Fax: 404-639-0897; E-mail:

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