2022
A Sample Size Formula for Network Scale-up Studies
Josephs N, Feehan D, Crawford F. A Sample Size Formula for Network Scale-up Studies. Sociological Methods & Research 2022, 53: 1252-1289. DOI: 10.1177/00491241221122576.Peer-Reviewed Original ResearchSample size formulaRelative error propertySize formulaError propertiesPopulation size estimationNetwork scaleStatistical precisionSimple formMinimum sample sizeNetwork modelSample size calculationSample sizeNSUMSingle random sampleFormulaSize estimationSize calculationSubpopulations of interestEstimatorEstimationSampled individuals
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