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Cj Industry rvii: 1991CensusTechnicalReports GanBdB Canaflu Canada 6 HowtoReachUs DatainManyForms... SDrteaaftteairsetainrcceseCamvaaatniealradibaalledsioasnrseeCmaDiv,aniadltiaesbskleedtaftoter,asicnooammpevuatrtyieeprteysporofifnftdo-arotmuats.,.DmIiinrcearcdotdfiiotcnihoelnintaeonapdcubcmlieicscrsaotftiioolnams,g,garbnoedtghamtsaetgdanniedntafirocdrmtaaantpdieo.snpeiMscaipaoplssstiaabbnludelatothtirhooenursgaghreCeoAgofrNfaSepIrheMid,c. StatisticsCanada'smachine-readabledatabaseandretrievalsystem. HowtoObtainlUloreInformation InquiriesaboutproductsandservicesshouldbedirectedtoyourlocalStatisticsCanadaReferenceCentre: Halifax (902426-5331) Regina (306780-5405) Montreal (514283-5725) Edmonton (403495-3027) Ottawa (613951-8116) Calgary (403292-6717) Toronto (416973-6586) Vancouver (604666-3691) Winnipeg (204983-4020) Toll-freeaccessisprovidedinallprovincesandterritories,foruserswhoresideoutsidethelocaldialingareaofanyoftheregional referencecentres. 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(1-613-951-7277) FacsimileNumber(1-613-951-1548) TorontoCreditCardOnly(1-416-973-8018) StandardsofServicetothePublic Tdeolimvaeirnytaofinstqautailstiitcyalseirnvfiocremattoitonh,ecpoubslti-cr.ecStoavteirsetidcsseCravincaedsaafnodllsoewrsviecsetatbolriesshpedonsdteanntdsa.rdTsocoobvteariinngasctoatpiystoifcatlhpersoedsuecrtvsiacendstsaenrdvaircdess,, pleasecontactyournearestStatisticsCanadaRegionalReferenceCentre. statisticsCanada 1991 Census Technical Reports Industry Reference Products series PublishedbyauthorityoftheMinisterresponsibleforStatisticsCanada ©MinisterofIndustry,ScienceandTechnology,1994 Allrightsreserved.Nopartofthisdocumentmaybereproduced,storedinaretrievalsystemor transmittedInanyformorbyanymeans,electronic,mechanical,photocopying,recordingor othenvlsewithoutpriorwrittenpermissionfromLicenceServices,Mari<etlngDivision,Statistics Canada,Ottawa,Ontario,CanadaK1A0T6. February1995 Price:Canada:$20.00 UnitedStates:US$24.00 OtherCountries:US$2e.OO Catalogue92-338E ISBN0-660-14271-6 Ottawa Laversionfrangalsedecettepublicationestdisponlblesurdemands(92-338F) NoteofAppreciation Canadaowesthesuccessofitsstatisticalsystemtoalong-standingcooperationinvolvingStatistics Canada,thepopulationofCanada,itsbusinessesandgovernments.Accurateandtimelystatistical informationcouldnotbeproducedwithouttheircontinuedcooperationandgoodwill. . CanadianCataloguinginPublicationData Mainentryundertitle: Industry (1991censustechnicalreports) (Referenceproductseries) IssuedalsoinFrenchundertitle:Industrie ISBN0-660-14271-6 CS92-338E 1 Canada~Manufactures~Statistics. 2.Canada~Census,1991~Methodology. 3.Canada~Census,1991~Evaluation. I.StatisticsCanada.II.Series.III.Series HA741.5.19911521995 331.7'67'0971 C94-988076-0 HowtoCiteThisDocument StatisticsCanada. Industry. 1991CensusTechnicalReports; ReferenceProductsSeries. Ottawa:MinisterofIndustry,ScienceandTechnology,1995. Cataloguenumber92-338E. ThepaperusedinthisuserdocumentationmeetstheminimumrequirementsofAmericanNationalStandardforInformation Sciences-PermanenceofPaperforPrintedLibraryMaterials.ANSIZ39.48-1984 e Preface Throughtime,theCensusofCanadahasbecometheprimarysourceofinformationaboutCzinadiansandhowthey hve. DecisionsbasedonthisinformationaffectthesociaJandeconomicaffairsofallCanadians. StatisticsCanada,astheprofessionalagencyinchargeofproducingthisinformation,hastheresponsibihtyfor informingusersofdataquality. Theagencymustdescribetheconceptsandmethodologyusedincollectingzind processingthedata,aswellasanyotherfeaturesthatmayaffecttheiruseorinterpretation. Inordertodescribethequalityofthe1991Censusdata.StatisticsCanadahaspreparedthefollowingpublications: acensusDictionary,whichprovidesconciseandeasytounderstandtextualandgraphicalinformationpertaining tocensusconcepts; aHandbook,whichprovidesanoverviewofhowthecensusisconducted;andaseriesof TechnicalReports,whichpresentingreaterdetail,informationonthequalityofdataforspecificcharacteristics, suchasindustry,ascoveredinthisreport. Informationondataqualityisimportantforusers.Itallowsthemtoassesstheusefulnessofcensusdatafortheir purposesaswellastherisksinvolvedinbasingconclusionsordecisionsonthesedata.The1991Censuswasalarge andcomplexundertakingand,whileconsiderableeffortweistakentoensurehighstandardsthroughoutall collectionandprocessingoperations,theresultingdataareinevitablysubjecttoacertaindegreeoferror. InformationondataqualityisalsoimportanttoStatisticsCanada. Itisanintegrzdpartinthedevelopmentand maintenanceofpertinentandreliablestatisticalprograms. Thispublicationisamajorcontributiontoachievingthesegoals.IthasbeenprepjiredbyArthurGardner,withthe supportofstafffromthreeDivisionsinStatisticsCanada: LabourandHouseholdsSurveysAnalysis,Census OperationsandSocialSurveyMethods. Finzdly,IwouldliketoexpressmyappreciationtothemillionsofCamadiamswhocompletedtheirquestionnaires onJune4,1991,aswellastothosewhoassistedStatisticsCanadainplanningandconductingthecensus. IvanP.Fellegi ChiefStatisticianofCanada StatisticsCanada-Cat.No.92-338E Industry TableofContents Page ListofTables (ii) I. Introduction 1 II. ConceptsandDefinitions 2 III. DataCollectionzindCoverage 3 IV. DataAssimilation 6 V. EditandImputation 10 VI. DataEvaluation 12 A. Revisiting1986CensusIndustryDataQuzdityProblems 12 B. Non-response 13 C. SummaryofProblemsSpecifictoIndustryBasedonthe1980SIC 14 D. SummaryofProblemsSpecifictoIndustryBasedonthe1970SIC 20 E. Recommendations 20 VII. HistoricalComparability 21 VIII. ProductsandServices 23 IX. Conclusion '. 25 AppendixA:DataQualityConsiderations-ClassofWorker 27 AppendixB:1970StandardIndustrialClassification,ListofDivisions,MajorGroups,andClzisses 35 AppendixC:1980StandcirdIndustrialClzissification,ListofDivisions,MajorGroupsandGroups 45 AppendixD:DataTables ; ! 57 Bibliography 105 RegionalReferenceCentres 106 DepositoryLibraries 107 StaUsticsCanada-Cat.No.92-338E Industry (ii) ListofTables Page Table 1. 1986£ind1991non-responseratesfortheindustryvariable-invalidincludedasaresponse- showingbothweightedandunweightedcounts,andseparatevaluesin1991for2Ddocuments 13 AppendixTables Al. 19868ind1991non-responseratesfortheclassofworkervariable-invalidincludedasa response-showingbothweightedandunweightedcounts,andseparatevaluesin1991 for2Ddocuments 32 A2. 1986and1991non-responseratesfortheincorporationstatusvariable-invalidincluded asaresponse-showingbothweightedandunweightedcounts,andseparatevaluesin1991 for2Ddocuments 33 A3. Comparisonofdetailedclassofworkerdata(showingcounts,percentagedistribution, percentagechangeandpercentagedifference)forthecensusandtheLabourForceSurvey, forCanada,1986and1991-alldataareroundedto'000s-seeNOTESattheendofthis tablefordiscussionoftheuniverse/coverageselected 34 Dl. Population15yearsandoverwhoworkedsinceJanuary1,1990showingdistribution (numberandpercentage)ofindustrymajorgroups(basedonthe1980StandardIndustrial Classification)withJindwithoutimputedvalues 59 D2. Comparisonofdetailedindustrydata(basedonthe1980StandardIndustrialClassification) forthecensus.LabourForceSurvey,andSurveyofEmployment,Payrolls,£mdHours,for lCeasnsatdhaa,n149,80600aanrde1s9u9p1pr-easlsleddat-aseaereNrOoTuEndSedatttoh'e0e00nsdaonfdthsiusrtvaebyle(LfForSdainsdcuSsEsiPoHn)offitghueresof universe/coverageselected 63 D3. Population15yearsandoverwhoworkedsinceJanuary1ofthepreviousyearbydetailed industry(basedonthe1970SIC)andsex,forCanada,1986and1991Censuses 79 D4. Population15yearsandoverwhoworkedsinceJanuary1ofthepreviousyearbydetailed industry(basedonthe1980SIC)andsex,forCanada,1986and1991Censuses 89 StatisticsCanada-Cat.No.92-338E Industry 1- CensusofPopulation-ReferenceProducts 1991CensusTechnicalReports I. Introduction cEovnerdyucftiveedyebayrsSatacteinstsiucssoCfapnopaudlaattiooncoilslceactr,riveedroiufytiannCdanpaudbal.isThhedantaat.ionTahlecennastuisonoaflpocpeunlsautsiopnriosvaidmeasjotrhepromjoesctt comprehensivedatabaseonthecharacteristicsofCanadians,theirfamiliesandtheirhouseholds.Theinformation rangesfromageandsexofindividualstotheirethnicorigin,education,occupation,labourforceactivityindustry, sourcesofincome,theirfamilyandhouseholdcharacteristics.Thecensusisaninvaluablesourceofinformation thatisusefultothevariouslevelsofgovernment,tobusinesses,associations,educationalinstitutions,interest groups,andtothegeneralpublic.Thedatacanbeusedingovernmentplanningofsocialandeconomicprograms, assessmentoftheneedforeducationalandhealthfacilities,andplanningbyprivateenterprise. Iconlfloercmtaetdiboynitsraoibnteadineendumtehrraotuogrhs,acsehreicekseodffqouresitnicoonnssiesstteanbcliiessheadndafteerrrodrestaainldedfcoornwsaulrtdaetdiotnoaRnedvetnesuteingC.anIatdias Taxation(RCT)regionalcentresfordataentry. ThefinalresultsareplacedonacomputerdatabaseatStatistics Canada. Dataareanalyzed,publishedanddisseminatedinvariousforms. Inamassiveprojectsuchasthecensus,however,theresultsareneverperfect.Althoughconsiderableefforthasbeen madetomaintainhighstandardsofqualityerrorsinevitablyoccuratvariousstagesofthecollectionandprocessing operations. Usersmustbeawareofthenatureandscopeofanyerrorsthatthecensusdatamaycontain,aswell astherisksinvolvedinbasingconclusionsordecisionsonthesedata. The1991CensusTechnicalReportshavebeendesignedtoinformdatausersofthepotentialproblemsor intricaciesofthedata. Thereportsinformusersoftheconceptualframeworkanddefinitionsusedinthedata collection,anyunusualcircumstanceswhichmayinfluencethedata,likelyprincipalsourcesoferrorand,where possible,thesizeoftheerror. Thisproductisaspecializedanalyticaltool.Itcomplementsandcoordinatesotherreferenceproductsandassists themoresophisticatedusertounderstandvariabledetailsJindmethodologicalinformationoncoverage,sampling andweighting. StatisticsCanada-Cat.No.92-338E Industry CensusofPopulation-ReferenceProducts 1991CensusTechnicalReports II. ConceptsandDefinitions Pleasenote:AppendixAtothisreportgivesadataqualitysummaryforthecensusconceptsofclassof workerandincorporationstatussimilartotheoneforindustrywhichformsthemednbodyofthisstudy. Forcensuspurposes,industryreferstothegeneralnatureofthebusinesscarriedoutintheestablishmentwhere thepersonworked,asindicatedbythenameoftheemployerandthekindofbusiness,industryorservice.Dataare availableforpersons15yearsandover,excludinginstitutionalresidents. Ifthepersondidnothaveajobduring theweekpriortoenumeration,thedatarelatetothejoboflongestdurationsinceJanuary1,1990. Personswith twoormorejobsweretoreporttheinformationforthejobatwhichtheyworkedthemosthours. Forthe1991Census,industrydatawereavailableaccordingtotwodifferentclassifications: 1970StandardIndustrialClassification(1970SIC) 1980StandardIndustrialClassification(1980SIC) Censusindustrydatabasedonthe1980StandardIndustrialClaissificationhavethreelevelsofaggregation.There are18divisions(labelledAtoR)whichjiresubdividedinto75majorgroupswhichare,inturn,subdividedinto296 detailedgroups. Censusindustrydatabasedonthe1970StandardIndustrialClassificationalsohavethreelevelsofaggregation. Thereare12divisionswhicharesubdividedinto55majorgroupswhichare,inturn,subdividedinto286detailed classes. Foradditionalinformationonthetwoclassifications,pleaserefertoAppendicesBandC. Industrydataaremostfrequentlytabulatedonthefollowingsubsetsofthepopulationuniverse: PopulationwhoworkedsinceJanuary1,1990-Thisisthelargestuniverseforwhichindustrydataare available. Experiencedlabourforce-personsemployedintheweekpriortothecensus,aswellaspersonsunemployed duringtheweekprecedingenimieration,whohadworkedsinceJanuary1,1990. Trehsepcoennsseubsurodnleyn.asTkhsethteerinmd"uesxtpreyrqiueenscteido"nissonfotpeirnstoennsdewdhtooliamsptlwyotrhkaetdpseirnscoensJawnhuoarlyas1t,w1o9r9k0eidnboerfdoerret1o9m9i0ndiominzoet haveworkexperience.Itisusedonlytodefinethepopulationwhowererequiredtoprovidecensusindustrydata. Itshouldbenotedthatthe"inexperiencedlabourforce"referstounemployedpersonswhodidnotworksince January1,1990.Thesepersonsappearinthecategory"Industrynotapplicable".Togethertheinexperiencedand experiencedlabourforceformthe"totallabourforce". StatisticsCanada-Cat.No.92-338E Industry._