工程管理_.pdf
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工程管理_.pdf

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DoPerceptionsofSupervisors’SafetyResponsesMediatetheRelationshipbetweenPerceptionsoftheOrganizationalSafetyClimateandIncidentRatesintheConstructionSupplyChain?HelenLingard,Ph.D.1;TracyCooke2;andNickBlismas,Ph.D.3Abstract:AmultilevelsafetyclimatesurveywasconductedinthreeAustralianorganizationsintheconstructionsupplychain.Aprincipalcomponentsanalysis(withvarimaxrotation)yieldedsixdistinctsafetyclimatefactorsreflectingaspectsoftheorganizationalsafetyresponse(OSR),supervisors’safetyresponse(SSR),andcoworkers’safetyresponse(CSR).Perceptionsoftopmanagement’scommitmenttosafety(anaspectofOSR)andsupervisors’safetyexpectations(anaspectofSSR)werebothsignificantlyandinverselycorrelatedwiththecombinedmedicaltreatmentandlosttimeinjuryrateofworkgroupsintheanalysis.Further,regressionanalysisrevealedthatperceptionsofsupervisors’safetyexpectationsfullymediatedtherelationshipbetweenperceptionsoftopmanagement’scommitmenttosafetyandtheworkgroupinjuryfrequencyrate.Theresultshighlightthecriticalroleplayedbyfirst-levelsupervisorsinactingastheconduitthroughwhichorganizationalsafetyprioritiesarecommunicatedtotheworkforce.DOI:10.1061/(ASCE)CO.1943-7862.0000372.©2012AmericanSocietyofCivilEngineers.CEDatabasesubjectheadings:Safety;Constructionindustry;Supplychainmanagement;Organizations.Authorkeywords:Safetyclimate;Supervisors’safetyresponse;Losttimeincidents;Medicaltreatmentincidents.Introductionorganization’scommitmenttoOHSinfluencesworkgroup-levelOHSperformance.ResearchAimsSpecifically,thepresentresearchaimedtoquantitativelyevalu-atetheroleplayedbyfirst-levelsupervisorsinshapingthesafetyTheinfluenceofmanagementonoccupationalhealthandsafetyperformanceofworkgroupsintheAustralianconstructionsupply(OHS)performanceinworksettingshasbeenasubjectofinterestchain.Researchobjectivesweretomanyresearchers.Muchworkhasfocusedontheroleplayedby•TomeasuremultiplelevelsofsafetyclimateinasampleofseniormanagersinestablishingcorporateOHSpolicyandarticu-Australianconstructionworkers,lati