2024
Communication network dynamics in a large organizational hierarchy
Josephs N, Peng S, Crawford F. Communication network dynamics in a large organizational hierarchy. The Annals Of Applied Statistics 2024, 18 DOI: 10.1214/24-aoas1919.Peer-Reviewed Original Research
2023
Geographic and temporal trends in fentanyl-detected deaths in Connecticut, 2009–2019
Lu H, Crawford F, Gonsalves G, Grau L. Geographic and temporal trends in fentanyl-detected deaths in Connecticut, 2009–2019. Annals Of Epidemiology 2023, 79: 32-38. PMID: 36669599, PMCID: PMC10163838, DOI: 10.1016/j.annepidem.2023.01.009.Peer-Reviewed Original Research
2022
Dependence-Robust Confidence Intervals for Capture–Recapture Surveys
Sun J, Van Baelen L, Plettinckx E, Crawford F. Dependence-Robust Confidence Intervals for Capture–Recapture Surveys. Journal Of Survey Statistics And Methodology 2022, 11: 1133-1154. PMID: 37975066, PMCID: PMC10646701, DOI: 10.1093/jssam/smac031.Peer-Reviewed Original ResearchRandomized controlled trials of biomarker targets
Erlendsdottir M, Crawford F. Randomized controlled trials of biomarker targets. Clinical Trials 2022, 20: 47-58. PMID: 36373783, PMCID: PMC9974557, DOI: 10.1177/17407745221131820.Peer-Reviewed Original ResearchConceptsBlood pressure targetsManagement of hypertensionPressure targetsTreatment strategiesBiomarker targetsControlled TrialsRandomized trialsPatient populationLower blood pressure targetsIntensive blood pressure controlAcute respiratory distress syndromePhysicians attemptNew randomized trialsBlood pressure controlRespiratory distress syndromeLack of blindingTrial patient populationValidity of trialsAdaptive treatment strategiesAntihypertensive medicationsAvailable medicationsDistress syndromeTreat analysisTime-varying confoundingTreatment algorithmRandomization for the susceptibility effect of an infectious disease intervention
Eck DJ, Morozova O, Crawford FW. Randomization for the susceptibility effect of an infectious disease intervention. Journal Of Mathematical Biology 2022, 85: 37. PMID: 36127558, PMCID: PMC9809173, DOI: 10.1007/s00285-022-01801-8.Peer-Reviewed Original ResearchConceptsInfectious disease interventionsInfection outcomesInfection riskDisease interventionDirect effectRandomized trialsTreatment allocationInfectious disease transmissionStudy subjectsHarmful treatmentPathogen of interestInterventionOutcomesTreatmentRandomization designVaccineDisease transmissionSusceptibility effectsTrialsRiskRandomizationInfectionIndividualsA 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 individualsEvaluating 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 effectPWIDSociodemographic characteristics and HIV risk behaviors of native-born and displaced Syrian men and transgender women who have sex with men in Lebanon
Orr LV, Crawford FW, Khoshnood K, Khouri D, Fouad FM, Seal DW, Heimer R. Sociodemographic characteristics and HIV risk behaviors of native-born and displaced Syrian men and transgender women who have sex with men in Lebanon. AIDS And Behavior 2022, 26: 4004-4011. PMID: 35672550, DOI: 10.1007/s10461-022-03726-1.Peer-Reviewed Original ResearchSARS-CoV-2 Attack Rate and Population Immunity in Southern New England, March 2020 to May 2021
Tran TN, Wikle NB, Yang F, Inam H, Leighow S, Gentilesco B, Chan P, Albert E, Strong ER, Pritchard JR, Hanage WP, Hanks EM, Crawford FW, Boni MF. SARS-CoV-2 Attack Rate and Population Immunity in Southern New England, March 2020 to May 2021. JAMA Network Open 2022, 5: e2214171. PMID: 35616938, PMCID: PMC9136627, DOI: 10.1001/jamanetworkopen.2022.14171.Peer-Reviewed Original ResearchConceptsHigh vaccine coveragePopulation immunityPublic health agenciesVaccine coverageVaccination campaignMAIN OUTCOMECOVID-19 positive test resultsSARS-CoV-2 attack ratesIntensive care unit occupancyHealth agenciesLarge epidemic waveProportion of vaccinesAttack rateObservational case seriesPopulation-level immunitySARS-CoV-2Median ageCase seriesCOVID-19 casesPercentage of individualsVaccination planningDelta variantOngoing epidemicPandemic settingVaccineVaccination with BNT162b2 reduces transmission of SARS-CoV-2 to household contacts in Israel
Prunas O, Warren JL, Crawford FW, Gazit S, Patalon T, Weinberger DM, Pitzer VE. Vaccination with BNT162b2 reduces transmission of SARS-CoV-2 to household contacts in Israel. Science 2022, 375: eabl4292. PMID: 35084937, PMCID: PMC9261115, DOI: 10.1126/science.abl4292.Peer-Reviewed Original ResearchConceptsVaccine effectivenessSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2Syndrome coronavirus 2Effectiveness of vaccinesEffectiveness of vaccinationTotal vaccine effectivenessSARS-CoV-2Household contactsSecond doseCoronavirus 2Household transmissionDelta variantDay 10VaccinationBNT162b2COVID-19InfectionChain binomial modelVaccineDoseImmunityPredicting daily COVID-19 case rates from SARS-CoV-2 RNA concentrations across a diversity of wastewater catchments
Zulli A, Pan A, Bart S, Crawford FW, Kaplan EH, Cartter M, Ko AI, Sanchez M, Brown C, Cozens D, Brackney DE, Peccia J. Predicting daily COVID-19 case rates from SARS-CoV-2 RNA concentrations across a diversity of wastewater catchments. FEMS Microbes 2022, 2: xtab022. PMID: 35128418, PMCID: PMC8807199, DOI: 10.1093/femsmc/xtab022.Peer-Reviewed Original ResearchImpact of close interpersonal contact on COVID-19 incidence: Evidence from 1 year of mobile device data
Crawford FW, Jones SA, Cartter M, Dean SG, Warren JL, Li ZR, Barbieri J, Campbell J, Kenney P, Valleau T, Morozova O. Impact of close interpersonal contact on COVID-19 incidence: Evidence from 1 year of mobile device data. Science Advances 2022, 8: eabi5499. PMID: 34995121, PMCID: PMC8741180, DOI: 10.1126/sciadv.abi5499.Peer-Reviewed Original ResearchCoronavirus disease 2019Close interpersonal contactSARS-CoV-2Area of residenceCOVID-19 incidenceCOVID-19 transmissionContact ratesCOVID-19 casesCOVID-19 transmission dynamicsDisease 2019SEIR-type modelLocal outbreaksFrequency of contactTransmission dynamicsPrimary routeSocial distancingPopulation levelClose contactInterpersonal contact
2021
COVID-19 Testing and Case Rates and Social Contact Among Residential College Students in Connecticut During the 2020-2021 Academic Year
Schultes O, Clarke V, Paltiel AD, Cartter M, Sosa L, Crawford FW. COVID-19 Testing and Case Rates and Social Contact Among Residential College Students in Connecticut During the 2020-2021 Academic Year. JAMA Network Open 2021, 4: e2140602. PMID: 34940864, PMCID: PMC8703252, DOI: 10.1001/jamanetworkopen.2021.40602.Peer-Reviewed Original ResearchConceptsResidential studentsAcademic yearHigher educationResidential college studentsSpring semesterFall semesterStudentsClose interpersonal contactConnecticut CollegeMean contactFall 2020Residential collegeMost institutionsCollege studentsCollegeUniversityCampusSemesterInstitutionsUniversity campusEducationResidence hallsVariety of approachesInterpersonal contactSocial distancing measuresOne year of modeling and forecasting COVID-19 transmission to support policymakers in Connecticut
Morozova O, Li ZR, Crawford FW. One year of modeling and forecasting COVID-19 transmission to support policymakers in Connecticut. Scientific Reports 2021, 11: 20271. PMID: 34642405, PMCID: PMC8511264, DOI: 10.1038/s41598-021-99590-5.Peer-Reviewed Original ResearchConceptsCOVID-19 disease progressionSARS-CoV-2 transmissionCase detection ratioPublic health surveillancePublic health policymakersInfection hospitalizationsCumulative incidenceEpidemiologic featuresClinical progressionCOVID-19 transmissionCOVID-19 projectionsDisease progressionFatality ratioHospital dataEffective reproduction numberHospitalizationHealth surveillanceTransmission riskSEIR-type modelHealth policymakersCOVID-19 epidemicEpidemic trajectoriesDisease transmissionInfectionProgressionReported history and correlates of drug overdose among people who inject drugs in Lebanon
Khoshnood K, Sheb F, Khouri D, Aaraj E, Barbour R, Crawford F, Mokhbat J, Parpia A, Heimer R. Reported history and correlates of drug overdose among people who inject drugs in Lebanon. Eastern Mediterranean Health Journal 2021, 27: 571-579. DOI: 10.26719/2021.27.6.571.Peer-Reviewed Original ResearchSubstance use treatmentCorrelates of drugDrug overdoseOpioid overdoseDrug treatmentNon-fatal opioid overdoseUse treatmentOverdose prevention programsInfectious disease test resultsBetter epidemiologic dataDisease test resultsDrug use historySexual risk behaviorsHistory of incarcerationEffective treatment programsRespondent-driven samplingEligible PWIDDrug injectionEpidemiologic dataFirst drugAverage ageLebanese menHistory of arrestPrevention programsRisk behaviorsCorrection to: Repeat SARS-CoV-2 testing models for residential college populations
Chang JT, Crawford FW, Kaplan EH. Correction to: Repeat SARS-CoV-2 testing models for residential college populations. Health Care Management Science 2021, 24: 319-319. PMID: 34032980, PMCID: PMC8144865, DOI: 10.1007/s10729-021-09568-y.Peer-Reviewed Original ResearchIdentification of causal intervention effects under contagion
Cai X, Loh WW, Crawford FW. Identification of causal intervention effects under contagion. Journal Of Causal Inference 2021, 9: 9-38. PMID: 34676152, PMCID: PMC8528235, DOI: 10.1515/jci-2019-0033.Peer-Reviewed Original ResearchIntervention effectsInfectious disease transmission dynamicsInfection outcomesDisease transmission dynamicsHIV vaccine trialsInfectious disease outcomesTransmission dynamicsEffects of interventionsVaccine effectsIntervention trialsVaccine trialsClinical evaluationDisease outcomeOutcome dataTrialsTreatment effectsOutcomesCausal estimandsEmpirical trialPartnership modelInfectionBinary outcome data
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 numberPopulationYearsInfectionMortalityRepeat SARS-CoV-2 testing models for residential college populations
Chang JT, Crawford FW, Kaplan EH. Repeat SARS-CoV-2 testing models for residential college populations. Health Care Management Science 2020, 24: 305-318. PMID: 33200374, PMCID: PMC7669307, DOI: 10.1007/s10729-020-09526-0.Peer-Reviewed Original ResearchEstimation of Excess Deaths Associated With the COVID-19 Pandemic in the United States, March to May 2020
Weinberger DM, Chen J, Cohen T, Crawford FW, Mostashari F, Olson D, Pitzer VE, Reich NG, Russi M, Simonsen L, Watkins A, Viboud C. Estimation of Excess Deaths Associated With the COVID-19 Pandemic in the United States, March to May 2020. JAMA Internal Medicine 2020, 180: 1336-1344. PMID: 32609310, PMCID: PMC7330834, DOI: 10.1001/jamainternmed.2020.3391.Peer-Reviewed Original ResearchConceptsCOVID-19Excess deathsOfficial COVID-19 deathsCoronavirus disease 2019Entire US populationPublic health impactCOVID-19 diagnostic testsCOVID-19 burdenCOVID-19 deathsCause deathReported deathsMortality burdenObservational studyDisease 2019Influenza activityMAIN OUTCOMEDeath AssociatedWeekly deathsTotal deathsUS deathsMore deathsDeath recordsUS populationHealth StatisticsTest availability