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AIDS and Behavior

, Volume 17, Issue 7, pp 2313–2340 | Cite as

Respondent Driven Sampling for HIV Biological and Behavioral Surveillance in Latin America and the Caribbean

  • Jane R. Montealegre
  • Lisa G. JohnstonEmail author
  • Christopher Murrill
  • Edgar Monterroso
Substantive Review

Abstract

Since 2005, respondent driven sampling (RDS) has been widely used for HIV biological and behavioral surveillance surveys (BBSS) in Latin America and the Caribbean (LAC). In this manuscript, we provide a focused review of RDS among hard-to-reach high-risk populations in LAC and describe their principal operational, design, and analytical considerations. We reviewed published and unpublished reports, protocols, and manuscripts for RDS studies conducted in LAC between January 1, 2005 and December 31, 2011. We abstracted key operational information and generated summary statistics across all studies. Between 2005 and 2011, 87 RDS studies were conducted in 15 countries in LAC (68 % in South America, 18 % in Mexico and Central America, and 14 % in the Caribbean). The target populations were primarily men who have sex with men (43 %), sex workers (29 %), and drug users (26 %). Study considerations included establishing clear eligibility criteria, measuring social network sizes, collecting specimens for biological testing, among others. Most of the reviewed studies are the first in their respective countries to collect data on hard-to-reach populations and the first attempt to use a probability-based sampling method. These RDS studies allowed researchers and public health practitioners in LAC to access hard-to-reach HIV high-risk populations and collect valuable data on the prevalence of HIV and other infections, as well as related risk behaviors.

Keywords

HIV/AIDS Respondent driven sampling Surveillance Latin America Caribbean Key populations at risk 

Resumen

Desde el 2005, el muestreo dirigido por participantes (o respondent driven sampling, RDS) se ha utilizado ampliamente en Latinoamérica y el Caribe (LAC) para las encuestas de vigilancia biológica y de comportamientos de riesgo para el VIH. En este artículo, ofrecemos una revisión enfocada de los estudios RDS que se han realizado en LAC entre las poblaciones de alto riesgo y difícil de acceder y describe retos operacionales, de diseño, y analíticos y sus consideraciones. Examinamos informes publicados e inéditos, protocolos, y manuscriptos sobre los estudios RDS realizados en LAC entre enero 1, 2005 a diciembre 31, 2011. Resumimos la información operacional clave de todos los estudios y generamos estadísticas sumarias. Encontramos que entre el 2005 al 2011 se realizaron 87 estudios RDS en 15 países de LAC (68 % en Sudamérica, 18 % en México y Centroamérica, y 14 % en el Caribe). Las poblaciones objetivas fueron principalmente hombres que tienen sexo con hombres (43 %), trabajadoras sexuales (29 %) y usuarios de drogas (26 %). Los desafíos principales incluyeron el establecimiento de criterios de elegibilidad, la medición del tamaño de la red social, la toma de muestras para las pruebas biológicas, entre otros. La mayoría de los estudios revisados son los primeros en sus respectivos países que recopilan datos sobre las poblaciones de difícil acceso y el primer intento de utilizar un método de muestreo basado en la probabilidad. Estos estudios RDS permitieron a los investigadores y a los profesionales de salud pública accesar a poblaciones de alto riesgo de difícil acceso y recolectar valiosos datos sobre la prevalencia del VIH y de otras infecciones, así como riesgos de conducta relacionados.

Notes

Acknowledgments

We would like to express our gratitude to the organizations and investigators who generously shared their operational information with us, especially Sonia Morales-Miranda, Maria Elena Guardado, and Jerry Jacobson. We also would like to thank Abraham Miranda, Amy Drake, and Gabriela Paz-Bailey for their assistance in the conception and development of this manuscript. JRM is currently supported by a UTHealth Innovation for Cancer Prevention Research Postdoctoral Fellowship (The University of Texas School of Public Health—Cancer Prevention and Research Institute of Texas Grant # RP101503). The findings and conclusions of this paper are those of the authors and do not necessarily represent the official position of the U.S. Centers for Disease Control and Prevention or the Cancer Prevention and Research Institute of Texas.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Jane R. Montealegre
    • 1
    • 2
  • Lisa G. Johnston
    • 3
    • 5
    Email author
  • Christopher Murrill
    • 4
  • Edgar Monterroso
    • 4
  1. 1.Division of Epidemiology, Human Genetics, and Environmental SciencesThe University of Texas School of Public HealthHoustonUSA
  2. 2.Dan L. Duncan Cancer CenterBaylor College of MedicineHoustonUSA
  3. 3.Department of Global Community Health and Behavioral SciencesTulane University School of Public Health and Tropical MedicineNew OrleansUSA
  4. 4.Division of Global HIV/AIDSU.S. Centers for Disease Control and PreventionAtlantaUSA
  5. 5. Global Health Sciences, University of California, San FranciscoSan FranciscoUSA

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