2022
Evaluating the Mediating Role of Recall of Intervention Knowledge in the Relationship Between a Peer-Driven Intervention and HIV Risk Behaviors Among People Who Inject Drugs
Aroke H, Buchanan A, Katenka N, Crawford FW, Lee T, Halloran ME, Latkin C. Evaluating the Mediating Role of Recall of Intervention Knowledge in the Relationship Between a Peer-Driven Intervention and HIV Risk Behaviors Among People Who Inject Drugs. AIDS And Behavior 2022, 27: 578-590. PMID: 35932359, PMCID: PMC10408304, DOI: 10.1007/s10461-022-03792-5.Peer-Reviewed Original ResearchConceptsInjection-related risk behaviorsPeer-driven interventionRisk behaviorsIntervention knowledgeHIV injection risk behaviorsHIV risk behaviorsInjection risk behaviorsMarginal structural modelsPotential causal pathwaysHIV testingIndex participantsRisk ratioInverse probabilityIntervention NetworkInterventionPeer educatorsTotal effectCausal pathwaysVisitsDrugsFuture studiesParticipantsOutcomesDirect effectPWID
2020
Estimates of people who injected drugs within the last 12 months in Belgium based on a capture-recapture and multiplier method
Plettinckx E, Crawford FW, Antoine J, Gremeaux L, Van Baelen L. Estimates of people who injected drugs within the last 12 months in Belgium based on a capture-recapture and multiplier method. Drug And Alcohol Dependence 2020, 219: 108436. PMID: 33310486, PMCID: PMC7856246, DOI: 10.1016/j.drugalcdep.2020.108436.Peer-Reviewed Original ResearchConceptsNew HCV infectionsNumber of PWIDProportion of PWIDLiver-related mortalityEstimates of peopleHarm reduction service providersHCV infectionTreatment registersPWIDNational estimatesCapture-recapture methodologyBaseline dataDrugsNumber of peopleMonthsTotal populationReliable baseline dataSterile needleTotal numberPopulationYearsInfectionMortality
2019
Divergent estimates of HIV incidence among people who inject drugs in Ukraine
Morozova O, Booth RE, Dvoriak S, Dumchev K, Sazonova Y, Saliuk T, Crawford FW. Divergent estimates of HIV incidence among people who inject drugs in Ukraine. International Journal Of Drug Policy 2019, 73: 156-162. PMID: 31405731, PMCID: PMC6899203, DOI: 10.1016/j.drugpo.2019.07.023.Peer-Reviewed Original ResearchConceptsHIV incidenceStudy subjectsBio-behavioral surveillance surveysRecent syringe sharingPopulation of PWIDLongitudinal cohort studyDrug of choiceLow-risk individualsCross-sectional surveyBaseline characteristicsCohort studyAverage monthly numberRisk stratificationSyringe sharingIntervention trialsSurveillance SurveyHigh incidenceRisk individualsRCTsPWIDStudy designIncidenceDrugsFuture surveillanceSignificant differences
2017
Using data from respondent-driven sampling studies to estimate the number of people who inject drugs: Application to the Kohtla-Järve region of Estonia
Wu J, Crawford FW, Raag M, Heimer R, Uusküla A. Using data from respondent-driven sampling studies to estimate the number of people who inject drugs: Application to the Kohtla-Järve region of Estonia. PLOS ONE 2017, 12: e0185711. PMID: 29095866, PMCID: PMC5667832, DOI: 10.1371/journal.pone.0185711.Peer-Reviewed Original ResearchConceptsHIV risk groupRespondent-driven sampling studyRisk groupsEffective public health intervention programsPublic health intervention programsStatistical approachKey risk populationsHealth intervention programsPopulation size estimationPractical assumptionsNumber of peopleRisk populationsSuccessive samplingIntervention programsSize estimationDrugsEstimatesSampling studyGroup
2015
HIV Prevalence Among People Who Inject Drugs in Greater Kuala Lumpur Recruited Using Respondent-Driven Sampling
Bazazi AR, Crawford F, Zelenev A, Heimer R, Kamarulzaman A, Altice FL. HIV Prevalence Among People Who Inject Drugs in Greater Kuala Lumpur Recruited Using Respondent-Driven Sampling. AIDS And Behavior 2015, 19: 2347-2357. PMID: 26358544, PMCID: PMC4743744, DOI: 10.1007/s10461-015-1191-y.Peer-Reviewed Original ResearchConceptsHIV prevalenceHIV epidemicPrevention interventionsRapid HIV testingHIV prevention interventionsRespondent-driven samplingHIV testingAppropriate treatmentHigh prevalencePWIDCommunity surveillanceKuala LumpurPrevalenceBehavioral assessmentOverall sampleDrugsInterventionRecruitment sitesEpidemicInterview siteHIVGeographic regionsGreater Kuala LumpurDiscrete geographic regionsLumpur