Featured Publications
Sputum quality and diagnostic performance of GeneXpert MTB/RIF among smear-negative adults with presumed tuberculosis in Uganda
Meyer AJ, Atuheire C, Worodria W, Kizito S, Katamba A, Sanyu I, Andama A, Ayakaka I, Cattamanchi A, Bwanga F, Huang L, Davis JL. Sputum quality and diagnostic performance of GeneXpert MTB/RIF among smear-negative adults with presumed tuberculosis in Uganda. PLOS ONE 2017, 12: e0180572. PMID: 28686705, PMCID: PMC5501569, DOI: 10.1371/journal.pone.0180572.Peer-Reviewed Original ResearchConceptsGeneXpert MTB/RIFBlood-stained sputumSputum qualityMTB/RIFSalivary sputumXpert testingDiagnostic performanceMycobacterial cultureCross-sectional studyTB patientsPatient factorsSputum testTB diagnosisDiagnostic yieldMucoid sputumSputum samplesLED fluorescence microscopySputumXpertTuberculosis diagnosticsDemographic informationPatientsAdditional testingHigher proportionSample types
2021
Implementation of a volunteer contact tracing program for COVID-19 in the United States: A qualitative focus group study
Shelby T, Hennein R, Schenck C, Clark K, Meyer AJ, Goodwin J, Weeks B, Bond M, Niccolai L, Davis JL, Grau LE. Implementation of a volunteer contact tracing program for COVID-19 in the United States: A qualitative focus group study. PLOS ONE 2021, 16: e0251033. PMID: 33951107, PMCID: PMC8099418, DOI: 10.1371/journal.pone.0251033.Peer-Reviewed Original ResearchEvaluating the Quality of Tuberculosis Contact Investigation in Cali, Colombia: A Retrospective Cohort Study.
Diaz G, Victoria AM, Meyer AJ, Niño Y, Luna L, Ferro BE, Davis J. Evaluating the Quality of Tuberculosis Contact Investigation in Cali, Colombia: A Retrospective Cohort Study. American Journal Of Tropical Medicine And Hygiene 2021, 104: 1309-1316. PMID: 33617470, PMCID: PMC8045602, DOI: 10.4269/ajtmh.20-0809.Peer-Reviewed Original ResearchConceptsRetrospective cohort studyTuberculosis contact investigationContact investigationTB patientsHousehold visitsTB evaluationClinic visitsCohort studyEarly TB diagnosisIndex TB patientsTB contact investigationActive TB patientsTherapy initiationPreventive therapyTB diagnosisSymptomatic contactsMultivariable modelClinic referralsIndex patientsPatientsContact tracingVisitsCumulative probabilityLittle dataReferral
2020
Experiences and intentions of Ugandan household tuberculosis contacts receiving test results via text message: an exploratory study
Ggita JM, Katahoire A, Meyer AJ, Nansubuga E, Nalugwa T, Turimumahoro P, Ochom E, Ayakaka I, Haberer JE, Katamba A, Armstrong-Hough M, Davis JL. Experiences and intentions of Ugandan household tuberculosis contacts receiving test results via text message: an exploratory study. BMC Public Health 2020, 20: 310. PMID: 32164612, PMCID: PMC7068887, DOI: 10.1186/s12889-020-8427-0.Peer-Reviewed Original ResearchConceptsLay health workersHousehold contactsWorld Health OrganizationContact investigationBackgroundThe World Health OrganizationHousehold contact investigationTB-positive resultHigh-burden countriesHousehold tuberculosis contactTuberculosis contactsSputum collectionTB statusHealth workersShort message serviceFurther evaluationTuberculosisThematic saturationHealth OrganizationTB resultsNegative resultsStatus awarenessReliefSemi-structured interviewsText messagesDelivery
2018
Feasibility, Acceptability, and Adoption of Digital Fingerprinting During Contact Investigation for Tuberculosis in Kampala, Uganda: A Parallel-Convergent Mixed-Methods Analysis
White EB, Meyer AJ, Ggita JM, Babirye D, Mark D, Ayakaka I, Haberer JE, Katamba A, Armstrong-Hough M, Davis JL. Feasibility, Acceptability, and Adoption of Digital Fingerprinting During Contact Investigation for Tuberculosis in Kampala, Uganda: A Parallel-Convergent Mixed-Methods Analysis. Journal Of Medical Internet Research 2018, 20: e11541. PMID: 30442637, PMCID: PMC6265600, DOI: 10.2196/11541.Peer-Reviewed Original ResearchConceptsTechnology Acceptance Model 2Digital fingerprintingDigital fingerprintUnique patient identificationData integrityFingerprint captureSoftware leadFingerprint scannerPatient identificationHardware failureDigital technologiesBiometricsModest clusteringClusteringSocial imageTechnologyHousehold tuberculosis contact investigationRobust covariance estimatorPotential solutionsActual useGuide improvementFrameworkHardwareIndividual identificationTemporal characteristics‘Something so hard': a mixed-methods study of home sputum collection for tuberculosis contact investigation in Uganda
Armstrong-Hough M, Ggita J, Turimumahoro P, Meyer AJ, Ochom E, Dowdy D, Cattamanchi A, Katamba A, Davis JL. ‘Something so hard': a mixed-methods study of home sputum collection for tuberculosis contact investigation in Uganda. The International Journal Of Tuberculosis And Lung Disease 2018, 22: 1152-1159. PMID: 30236182, PMCID: PMC6496950, DOI: 10.5588/ijtld.18.0129.Peer-Reviewed Original ResearchConceptsLay health workersSputum collectionContact investigationHome-based collectionTB contact investigationContacts of patientsTuberculosis contact investigationDiagnosis of tuberculosisActive tuberculosisPrompt evaluationRisk factorsEnhanced interventionsIndex patientsConvergent mixed-methods studyHealth workersHome visitsSputumClinical settingTuberculosisMixed-methods studyMixed-method studyPatientsContact interviewsFocus group discussionsInterventionPatterns of usage and preferences of users for tuberculosis-related text messages and voice calls in Uganda
Ggita JM, Ojok C, Meyer AJ, Farr K, Shete PB, Ochom E, Turimumahoro P, Babirye D, Mark D, Dowdy D, Ackerman S, Armstrong-Hough M, Nalugwa T, Ayakaka I, Moore D, Haberer JE, Cattamanchi A, Katamba A, Davis JL. Patterns of usage and preferences of users for tuberculosis-related text messages and voice calls in Uganda. The International Journal Of Tuberculosis And Lung Disease 2018, 22: 530-536. PMID: 29663958, PMCID: PMC6350252, DOI: 10.5588/ijtld.17.0521.Peer-Reviewed Original ResearchConceptsClinic attendeesHousehold contactsTB patientsClinic visitsClinic patientsMHealth interventionsTuberculosisMobile phone accessHealth communicationPatientsUrban KampalaMost contactPhone accessPhone sharingLittle informationAttendeesText messagesPatterns of usageShort messaging service (SMS) messagesUgandaCentral UgandaVisitsRecipients
2017
Drop-out from the tuberculosis contact investigation cascade in a routine public health setting in urban Uganda: A prospective, multi-center study
Armstrong-Hough M, Turimumahoro P, Meyer AJ, Ochom E, Babirye D, Ayakaka I, Mark D, Ggita J, Cattamanchi A, Dowdy D, Mugabe F, Fair E, Haberer JE, Katamba A, Davis JL. Drop-out from the tuberculosis contact investigation cascade in a routine public health setting in urban Uganda: A prospective, multi-center study. PLOS ONE 2017, 12: e0187145. PMID: 29108007, PMCID: PMC5673209, DOI: 10.1371/journal.pone.0187145.Peer-Reviewed Original ResearchConceptsHousehold contact investigationNational TB ProgrammeContact investigationTB evaluationActive TBHealth workersPatient householdsMulti-center observational studyIndex TB patientsTB contact investigationLay health workersTuberculosis contact investigationMulti-center studyRoutine public health settingPublic health settingsTB patientsTB programsEligible contactsTuberculosis unitProgrammatic settingsRisk factorsIndex householdsIndex patientsObservational studyRisk contacts