2022
Development of a Psychometric Tool to Measure Community Solidarity Among Sexual Minorities: Evidence From a Pay-it-Forward Randomized Controlled Trial
Sung A, Zhang TP, Huang W, Tang W, Alexander M, Forastiere L, Kumar N, Hall BJ, Ransome Y, Dieckhaus KD, Wu D, Tucker JD, Yang F. Development of a Psychometric Tool to Measure Community Solidarity Among Sexual Minorities: Evidence From a Pay-it-Forward Randomized Controlled Trial. Sexually Transmitted Diseases 2022, 49: 628-634. PMID: 35675708, PMCID: PMC9378620, DOI: 10.1097/olq.0000000000001659.Peer-Reviewed Original ResearchConceptsTest uptakeMultivariable logistic regressionCross-sectional questionnaireControlled TrialsInfection testingIntervention armStudy armsChlamydia testSocial network supportHigher oddsChinese menHealth outcomesPsychometric toolsLogistic regressionMenPublic healthTrialsFuture studiesSexParticipantsArmUptakeGonorrheaFactorsMSM
2021
Blocking and being blocked on gay dating apps among MSM attending a sexual health clinic: an observational study
Kumar N, Forastiere L, Janmohamed K, Zhang TP, Sha Y, Yu F, Yang L, Tucker JD, Tang W, Alexander M. Blocking and being blocked on gay dating apps among MSM attending a sexual health clinic: an observational study. BMC Public Health 2021, 21: 2127. PMID: 34798857, PMCID: PMC8605500, DOI: 10.1186/s12889-021-12182-w.Peer-Reviewed Original ResearchConceptsHealth outcomesMale partnersSexual health clinicsHIV testing interventionsOnline sexual health interventionsMen's health outcomesCross-sectional surveySexual health interventionsLogistic regression modelsRisky sexual behaviorHIV transmissionMean ageHealth clinicsObservational studyChinese MSMMSM communityGay app useTesting interventionsHealth interventionsSexual partnersSexual behaviorMSMApp useRegression modelsInterventionImproving HIV Self-Testing Social Network Interventions: The Role of Sexual Behavior Disclosure Among Chinese Men Who Have Sex with Men
Kumar N, Forastiere L, Janmohamed K, Yang F, Zhang T, Sha Y, Tucker JD, Tang W, Alexander M. Improving HIV Self-Testing Social Network Interventions: The Role of Sexual Behavior Disclosure Among Chinese Men Who Have Sex with Men. AIDS And Behavior 2021, 25: 1984-1992. PMID: 33471242, DOI: 10.1007/s10461-020-03128-1.Peer-Reviewed Original ResearchConceptsIndex participantsIndex menTreatment arm dataHIV self-testing (HIVST) kitsSelf-testing kitsSexual behaviorHIV SelfHIVST interventionHIVST kitsChinese menSocial network interventionKey populationsNetwork-based interventionsSocial contactMenInterventionMSMSexKitNetwork interventionMore kitsArm dataParticipants
2020
Lack of sexual behavior disclosure may distort STI testing outcomes
Kumar N, Forastiere L, Zhang T, Yang F, Li KT, Tang W, Tucker JD, Christakis NA, Alexander M. Lack of sexual behavior disclosure may distort STI testing outcomes. BMC Public Health 2020, 20: 616. PMID: 32366241, PMCID: PMC7197169, DOI: 10.1186/s12889-020-08768-5.Peer-Reviewed Original ResearchConceptsSTI testChinese MSMHealth providersSexual behaviorRectal testsSTI testingChlamydia testingMean ageHigh burdenSecondary analysisSocio-DemographicMSMSexual historyGreater likelihoodTesting provisionGonorrheaTesting outcomesTest choiceBackgroundMenMethodsThisProvidersInfectionCliniciansTestingTrialsPay-it-forward gonorrhoea and chlamydia testing among men who have sex with men in China: a randomised controlled trial
Yang F, Zhang TP, Tang W, Ong JJ, Alexander M, Forastiere L, Kumar N, Li KT, Zou F, Yang L, Mi G, Wang Y, Huang W, Lee A, Zhu W, Luo D, Vickerman P, Wu D, Yang B, Christakis NA, Tucker JD. Pay-it-forward gonorrhoea and chlamydia testing among men who have sex with men in China: a randomised controlled trial. The Lancet Infectious Diseases 2020, 20: 976-982. PMID: 32530426, PMCID: PMC8957706, DOI: 10.1016/s1473-3099(20)30172-9.Peer-Reviewed Original ResearchConceptsChlamydia testingTest uptakeCare armCare groupPreventive servicesEvidence-based preventive servicesChlamydia testing uptakeDoris Duke Charitable FoundationHIV testing sitesHIV testingPrimary outcomeSuperiority trialUS National InstitutesTesting uptakeForward armSuperiority marginChinese MSMGonorrheaIntervention effectsTropical diseasesMSMFree testingEstimated differenceNational InstituteCommunity-based organizations
2019
Pay-it-forward gonorrhea and chlamydia testing among men who have sex with men in China: a study protocol for a three-arm cluster randomized controlled trial
Zhang TP, Yang F, Tang W, Alexander M, Forastiere L, Kumar N, Li K, Zou F, Yang L, Mi G, Wang Y, Huang W, Lee A, Zhu W, Vickerman P, Wu D, Yang B, Christakis NA, Tucker JD. Pay-it-forward gonorrhea and chlamydia testing among men who have sex with men in China: a study protocol for a three-arm cluster randomized controlled trial. Infectious Diseases Of Poverty 2019, 8: 76. PMID: 31426869, PMCID: PMC6700988, DOI: 10.1186/s40249-019-0581-1.Peer-Reviewed Original ResearchConceptsGonorrhea/chlamydia testingChlamydia testingCare armPrimary outcomeTest uptakePreventive health services utilizationIncremental costHealth service utilizationHIV testing sitesThree-arm clusterChlamydia testing ratesStandard of carePrevious gonorrheaSecondary outcomesDisease clinicEligible participantsStudy protocolService utilizationTesting ratesAnal sexChinese menGonorrheaQuasi-experimental studyTesting sitesMSMP018 Pay-it-forward gonorrhea and chlamydia testing among chinese men who have sex with men: a cluster randomized controlled trial
Zhang T, Yang F, Tang W, Huang W, Wang Y, Alexander M, Forastiere L, Kumar N, Li K, Zou F, Yang L, Mi G, Lee A, Zhu W, Vickerman P, Wu D, Yang B, Christakis N, Tucker J. P018 Pay-it-forward gonorrhea and chlamydia testing among chinese men who have sex with men: a cluster randomized controlled trial. Sexually Transmitted Infections 2019, 95: a89. DOI: 10.1136/sextrans-2019-sti.227.Peer-Reviewed Original ResearchStandard of careGonorrhea/chlamydia testingHIV testing servicesChlamydia testing ratesChlamydia testingTesting ratesHIV testing sitesCondomless anal sexTesting servicesCare armPrimary outcomeCDC guidelinesTest uptakeHIV riskChinese MSMAnal sexPopulation-averaged effectsChinese menPrimary comparisonGonorrheaMSMCareFree testingMost participantsCommunity-based organizations