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
2013
High HIV Incidence among Persons Who Inject Drugs in Pakistan: Greater Risk with Needle Sharing and Injecting Frequently among the Homeless
Samo RN, Altaf A, Agha A, Pasha O, Rozi S, Memon A, Azam S, Blevins M, Vermund SH, Shah SA. High HIV Incidence among Persons Who Inject Drugs in Pakistan: Greater Risk with Needle Sharing and Injecting Frequently among the Homeless. PLOS ONE 2013, 8: e81715. PMID: 24358123, PMCID: PMC3864804, DOI: 10.1371/journal.pone.0081715.Peer-Reviewed Original ResearchConceptsIncidence of HIVHIV seroconversionIncidence rateMultivariable Cox regression analysisNeedle/syringe exchangeCohort of PWIDHIV-seronegative personsHigh HIV incidenceOpiate substitution therapyCox regression analysisHIV incidence ratesHIV risk reductionSharing of syringesRisk reductionSubstance abuse treatmentSeronegative personsCohort studyRisk reduction programsHIV incidencePerson yearsSubstitution therapyDaily injectionsNeedle sharingRisk factorsPrevalence rates