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