2016
Risk Factors for Loss to Follow-Up among People Who Inject Drugs in a Risk Reduction Program at Karachi, Pakistan. A Case-Cohort Study
Samo RN, Agha A, Shah SA, Altaf A, Memon A, Blevins M, Qian HZ, Vermund SH. Risk Factors for Loss to Follow-Up among People Who Inject Drugs in a Risk Reduction Program at Karachi, Pakistan. A Case-Cohort Study. PLOS ONE 2016, 11: e0147912. PMID: 26840414, PMCID: PMC4739707, DOI: 10.1371/journal.pone.0147912.Peer-Reviewed Original ResearchConceptsCase-cohort studyMale PWIDHarm reduction programsRisk reduction programsRisk factorsReduction programsNeedle/syringe exchangeProspective cohort studyMultivariable logistic regressionResource-limited settingsHistory of incarcerationCohort studyMedian ageIncidence rateSyringe exchangePWIDMale peopleYounger ageLogistic regressionYoung menMonthsKarachiMenActive outreachProgrammatic challenges
2011
Condom use during commercial sex among clients of Hijra sex workers in Karachi, Pakistan (cross-sectional study)
Siddiqui AU, Qian HZ, Altaf A, Cassell H, Shah SA, Vermund SH. Condom use during commercial sex among clients of Hijra sex workers in Karachi, Pakistan (cross-sectional study). BMJ Open 2011, 1: e000154. PMID: 22021875, PMCID: PMC3191590, DOI: 10.1136/bmjopen-2011-000154.Peer-Reviewed Original ResearchHijra sex workersLast sexual actCondom useSex workersHIV/STI infectionFemale sex workersSpread of HIVKnowledge/attitudesConclusions ClientsSTI infectionBehaviours/practicesGeneral populationAlcohol usersSexual riskHigher education levelLast monthRegular clientsCondomsMale clientsKarachiBridge populationSexual actsEducation levelCommercial sexSex