Evidence map›Paper›PMID 24969586›Full record

ArticleAIDS and behavior2014

Evaluating outcome-correlated recruitment and geographic recruitment bias in a respondent-driven sample of people who inject drugs in Tijuana, Mexico.

Abby E Rudolph, Tommi L Gaines, Remedios Lozada, Alicia Vera, Kimberly C Brouwer

Abstract readEvaluation Study
In one paragraph

Article in AIDS and behavior, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Abby E RudolphThe Calverton Center, Pacific Institute for Research and Evaluation, 11720 Beltsville Drive Suite 900, Calverton, MD, 20705, USA, arudolph@pire.org.
Tommi L Gaines
Remedios Lozada
Alicia Vera
Kimberly C Brouwer

Funding

Impact of Drug Policy Reform on the HIV Risk Environment among IDUs in TijuanaR37DA019829 · NIDA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI STRATHDEE, STEFFANIE A. · 2010 to 2019
$6.7M
Epidemiology of HIV and Hepatitis C Among Injecting Drug Users in TijuanaR01DA019829 · NIDA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI STRATHDEE, STEFFANIE A. · 2005 to 2009
$2.9M
Modeling the Complex Dynamics between Behaviors and Environments Shaping HIV/STIsK01DA034523 · NIDA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI GAINES, TOMMI LYNN · 2012 to 2016
$905k
HIV and Substance Abuse Epidemiology among IDUs: Structural and Network Risk FactK01DA033879 · NIDA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI RUDOLPH, ABBY ELISE · 2012 to 2016
$877k
Using GIS to Study IDU Risk Environments in TijuanaK01DA020364 · NIDA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI BROUWER, KIMBERLY C · 2005 to 2009
$776k
NIDA NIH HHS K01DA020364NIDA NIH HHS K01 DA033879NIDA NIH HHS K01DA033879NIDA NIH HHS K01 DA034523NIDA NIH HHS K01DA034523NIDA NIH HHS R01 DA019829NIDA NIH HHS R01DA019829NIDA NIH HHS R37 DA019829NIDA NIH HHS R37DA019829NIMHD NIH HHS L60 MD007193
6 · The paper itself

Abstract

Respondent-driven sampling's (RDS) widespread use and reliance on untested assumptions suggests a need for new exploratory/diagnostic tests. We assessed geographic recruitment bias and outcome-correlated recruitment among 1,048 RDS-recruited people who inject drugs (Tijuana, Mexico). Surveys gathered demographics, drug/sex behaviors, activity locations, and recruiter-recruit pairs. Simulations assessed geographic and network clustering of active syphilis (RPR titers ≥1:8). Gender-specific predicted probabilities were estimated using logistic regression with GEE and robust standard errors. Active syphilis prevalence was 7 % (crude: men = 5.7 % and women = 16.6 %; RDS-adjusted: men = 6.7 % and women = 7.6 %). Syphilis clustered in the Zona Norte, a neighborhood known for drug and sex markets. Network simulations revealed geographic recruitment bias and non-random recruitment by syphilis status. Gender-specific prevalence estimates accounting for clustering were highest among those living/working/injecting/buying drugs in the Zona Norte and directly/indirectly connected to syphilis cases (men: 15.9 %, women: 25.6 %) and lowest among those with neither exposure (men: 3.0 %, women: 6.1 %). Future RDS analyses should assess/account for network and spatial dependencies.

Indexed as

Patient SelectionAdultBiasFemaleHIV InfectionsHumansMaleMexicoOutcome Assessment, Health CarePrevalenceRisk FactorsSampling StudiesSubstance Abuse, IntravenousSyphilisTuberculosis

Identifiers

PMID24969586
PMCPMC4401495

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.