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 modelsIntervention
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
P018 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