简介：Background:Commercialsexworkersandclientsareimportantcorepopulationsinthetransmissionofsexuallytransmitteddiseases(STDs)andhumanim-munodeficiencyvirus(HIV)infection.Researchonthefrequencyanddeterminantsofcondomuseincom-mercialsexworkersandtheirclientsisimportantinincreasingcondomuseandreductionoftheSTD/HIV.Burden.Objectives:Toestablishthefrequencyofandfac-torsrelatedtointentiontousecondomsandactualcondomuseincommercialsexcontactsandtodeter-minethedifferencesincondomusebetweensexwork-ersandclients.Methods:Incarceratedcommercialsexworkers(ICSW)andmaleSTDclinicattendeeswererecruitedintoacross-sectionalstudytoobtaindataonthefre-quencyandfactorsassociatedwithintentiontousecondomsandcondomuseincommercialsexualcon-tactswithaninterviewer-administeredquestionnaire.ConsistentcondomuseinICSWsandneverusingcondomsinmaleSTDclinicattendeeswereanalyzedusingunivariateandmultivariatelogisticregressionmodels.Results:Thefrequencyofreportedconsistentin-tentiontousecondomsandreportedactualcondomusewas62%and50.6%,respectivelyamong158ICSWs.FormaleSTDclinicattendees,thepropor-tionofreportedconsistentintentiontousecondomsandreportedactualcondomusewas10%and20.7%,respectively.ThefactorspositivelyinfluencingtheconsistentintentiontousecondomswerepregnancypreventingmeasuresandthebeliefofcondomefficacyinthepreventionofSTD/HIV,whereasthefactoras-sociatedwithactuallyconsistentcondomusewaspreg-nancy-preventingmeasureinICSWs.Factorsassoci-atedwithnointentiontousecondomswerelowincome,lowSTD/HIVknowledgelevelandthefrequencyofvisitingCSW.ThelatterfactorwasalsoassociatedwithneverusingcondomsinmaleSTDclinicattendees.Conclusions:Consistentcondomuseduringcom-mercialsexcontactswaslow,especiallyinclients.Greatereffortisneededincondompromotionprograminordertorais