Fertility.

42 Pages·1994·1 MB·English

by  A. Rahim.

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Fertility
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statisticsCanada
1991 Census Technical
Reports
Fertility
Reference Products series
PublishedbyauthorityoftheMinisterresponsibleforStatisticsCanada
©MinisterofIndustry,ScienceandTechnology,1994
Allrightsreserved.Nopartofthisdocumentmaybereproduced,storedinaretrievalsystemor
transmittedinanyformorbyanymeans,electronic,mechanical,photocopying,recordingor
otherwisew/ithoutpriorwrittenpermissionfromLicenceServices,MarketingDivision,Statistics
Canada,Ottawa,Ontario,CanadaK1A0T6.
March1994
Price:Canada:$20.00
UnitedStates:US$24.00
OtherCountries:US$28.00
Catalogue92-327E
ISBN0-660-14260-0
Ottawa
Laversionfrangaisedecettepublicationestdisponiblesurdemande(92-327F)
NoteofAppreciation
CanadaowesthesuccessofItsstatisticalsystemtoalong-standingcooperationinvolvingStatistics
Canada,thepopulationofCanada,Itsbusinessesandgovernments.Accurateandtimelystatistical
Informationcouldnotbeproducedwithouttheircontinuedcooperationandgoodwill.
.
CanadianCataloguinginPublicationData
Mainentryundertitle:
Fertility
(1991censustechnicalreports)
(Referenceproductsseries)
IssuedalsoinFrenchundertitle:Fecondite.
ISBN0-660-14260-0
CS92-327E
1 Fertility,Human~Canada—Statistics.
2.Canada~Population-Statistics.
3.Canada~Census,1991.1.StatisticsCanada.
II.Title,m.Series.
HA741.51991F471994 304.6'32'0971021
C94-988026-4
HowtoCiteThisDocument
StatisticsCanada. Fertility.
1991CensusTechnicalReports; ReferenceProductsSeries.
Ottawa:MinisterofIndustry,ScienceandTechnology,1994.
Cataloguenumber92-327E.
ThepaperusedinthisuserdocumentationmeetstheminimumrequirementsofAmericanNationalStandardforInformation
Sciences-PermanenceofPaperforPrintedLibraryMaterials.ANSIZ39.48-1984
1
Preface
Throughtime,thecensusofCanadahasbecometheprimarysourceofinformationaboutCanadians
andhowtheyHve. Decisionsbasedonthisinformationaffectthesocialandeconomicaffairsofall
Canadians.
StatisticsCanada, as theprofessionalagencyinchargeofproducingthis information, has the
responsibilityforinformingusersofdataquality. Theagencymustdescribetheconceptsand
methodologyusedincollectingandprocessingthedata,aswellasanyotherfeaturesthatmayaffect
theiruseorinterpretation.
Inordertodescribethequalityofthe1991Censusdata,StatisticsCanadahaspreparedthefollowing
publications:acensusDictionary,whichprovidesconciseandeasytounderstandtextualandgraphical
informationpertainingtocensusconcepts;aHandbook,whichprovidesanoverviewofhowthecensus
isconducted;andaseriesofTechnicalReports,whichpresent,ingreaterdetail,informationonthe
qualityofdataforspecificcharacteristics,suchasfertility,ascoveredinthisreport.
Informationondataqualityisimportantforusers.Itallowsthemtoassesstheusefulnessofcensusdata
fortheirpurposesaswellastherisksinvolvedinbasingconclusionsordecisionsonthesedata.The199
Censuswasalargeandcomplexundertakingand,whileconsiderableeffortwastakentoensurehigh
standardsthroughoutallcollectionandprocessingoperations,theresultingdataareinevitablysubject
toacertaindegreeoferror
InformationondataqualityisalsoimportanttoStatisticsCanada. Itplaysanintegralpartinthe
developmentandmaintenanceofpertinent2indreliablestatisticalprograms.
Thispublicationisamajorcontributiontoachievingthesegoals. IthasbeenpreparedbyA.Rahim,
withthesupportofstafffromthreeDivisionsinStatisticsCanada:Demography,CensusOperationsand
SocialSurveyMethods.
Finally,IwouldliketoexpressmyappreciationtothemillionsofCanadianswhocompletedtheir
questionnairesonJune4,1991,aswellastothosewhoassistedStatisticsCanadainplanningand
conductingthecensus.
IvanP.Fellegi
ChiefStatisticianofCanada
StatisticsCanada-Cat.No.92-327E
Fertility

TableofContents
Page
ListofTables ii
I. Introduction 1
II. ConceptsandDefinitions : 2
III. DataCollectionandCoverage 3
IV. DataAssimilation 5
V. EditandImputation 7
VI. DataEvaluationandQuality 9
VII. HistoricalComparability 25
VIII. OtherProductsandServices 27
Bibliography 28
OtherCensusReferenceProducts 29
RegionalReferenceCentres 30
StatisticsCanada-Cat.No.92-327E
Fertility
1
ListofTables
Tables Page
5.1 ProportionofNon-response,EditFailure,andImputedRecordsforthe
QuestiononChildrenEverBom,CanadaandRegions,1991 7
6.1 BlankandInvalidResponsestotheQuestiononChildrenEverBomto
AllFemales15andOver,CanadaandRegions,1991 10
6.2 BlankandInvalidResponsesasaPercentageofTotalofFemales15and
OverbyAge,CanadaandRegions, 1991 1
6.3 APlelrWceonmtaegneD1i5satrnidbuOtvieorn,oCfaInmapduataenddNRuemgbioenrs,of1C9h9i1ldrenBomto 12
6.4 NumberofChildrenEverBomper1,000Ever-marriedWomen
byAgeandProvince 13
6.5 ObservedandExpectedNumberofChildrenEverBom
per1,000Ever-marriedWomen,1991Census 19
6.6 ObservedandExpectedProportionofEver-marriedWomen
withNumberofChildrenEverBom,1991Census 20
6.7 ObservedandExpectedNumberofChildrenEverBomper1,000Women
ofAges40-44and45-49,CanadaandProvinces,1991 22
6.8 PercentageDistributionofEver-marriedzmdCurrentlyMarriedWomen
byNumberofChildrenEverBomandAge,Canada,GSS(1990)
and1991Census 24
StatisticsCanada-Cat.No.92-327E
Fertility
-1-
CensusofPopulation-ReferenceProducts
1991CensusTechnicalReports
I. Introduction
EveryfiveyearsacensusofpopulationiscarriedoutinCanada.Thenationalcensusofpopulationisamajorproject
conductedbyStatisticsCanadatocollect,verifyandpublishdata. Thenationalcensusprovidesthemost
comprehensivedatabaseonthecharacteristicsofCanadians,theirfamiliesandtheirhouseholds.Theinformation
rangesfromageandsexofindividualstotheirethnicorigin,education,occupation,labourforceactivity,industry,
andsourcesofincome,aswellastheirfamilyandhouseholdcharacteristics. Thecensusisaninvaluablesource
ofinformation thatis useful tothevariouslevels ofgovernment, tobusinesses, associations, educational
institutions,interestgroups,andtothegeneralpublic.Thedatacanbeusedingovernmentplanningofsocialand
economicprograms,assessmentoftheneedforeducationalandhealthfacilities,andplanningbyprivateenterprise.
Informationisobtainedthroughaseriesofquestionsestablishedafterdetailedconsultationandtesting. Itis
collectedbytrainedenumerators,checkedforinconsistenciesandenteredintoacomputerdatabasewheremissing
anderroneousdataaredetectedandcorrected. ThefinalresultsarestoredinacomputerdatabaseatStatistics
Canada. Dataareanalyzed,publishedanddisseminatedinvariousforms.
Inamassiveprojectsuchasthecensus,however,theresultsareneverperfect.Althoughconsiderableefforthasbeen
madetomaintainhighstandardsofquality,errorsinevitablyoccuratvariousstagesofthecollectionandprocessing
operations. Usersmustbeawareofthenatureandscopeofanyerrorsthatthecensusdatamaycontain,aswell
asoftherisksinvolvedinbasingconclusionsordecisionsonthesedata.
The1991CensusTechnicalReportshavebeendesignedtoinformdatausersofthepotentialproblemsor
intricaciesconcerningthe1991Censusdata.Thereportsinformusersoftheconceptualframeworkanddefinitions
usedinthedatacollection,ofanyunusualcircumstanceswhichmayinfluencethedata,oflikelyprincipalsources
oferrorand,wherepossible,ofthesizeoftheerror.
Thisproductisaspecializedanalyticaltool.Itcomplementsandcoordinatesotherreferenceproductsandassists
themoresophisticateduserinunderstandingvariabledetailsandmethodologicalinformationoncoverage,
samplingandweighting.
StatisticsCanada-Cat.No.92-327E
Fertility
-2-
CensusofPopulation-ReferenceProducts
1991CensusTechnicalReports
II. ConceptsandDefinitions
Censusdataareproducedforfourdistinct"universes".Theyarethepopulationuniverse,thefamilyuniverse,the
dwellinguniverse,andthehouseholdsuniverse.
Thefertilityvariablediscussedinthisreportfallsunderthepopulationuniverse.Thepopulationuniversecovers
awidevarietyofcharacteristics(demographic,ethno-cultural,language,mobility,schooling,income,labourforce,
etc.)ofindividuals. AcompleteHstofthesevariablescanbefoundinthe1991CensusDictionary(CatalogueNo
92-301E).
Concepts
Fertilityreferstotheactualreproductiveperformanceofwomen.Dataforfertilitycomefromthreebasicsources:
(1)thevitalstatisticsregistrationsystem;(2)thenationalcensus;and(3)samplesurveys.Vitalstatisticsprovide
birthrecordsofallbirths.Sinceitisacontinuousprocessandtellsthetimeofeachbirth,wecanmeasurecurrent
fertility.Commonlyusedfertilitymeasureslikecrudebirthrate,generalfertilityrate,age-specificfertilityrate,
andtotalfertilityratearethemeasuresofcurrentfertility.
Thecensusprovidesdataoncumulativefertilityoverawoman'slifetimeoruptoacertaintime(i.e.uptothedate
obfotmhepceernwsuosm)a.nT.heFemrtoisltitcyodmatmaocnalpytuurseeddifnertthileit1y9m9e1aCseunrseusfrgoimvectehnesuasctduaatlaniusmtbheeravoefrcahgielndruemnbaerwoofmcahnilhdarsengievveenr
birthtoduringherreproductivelife.Forwomenwhohaveattainedpost-reproductionagebythetimeofthecensus
date,thedataareusedtomeasurecompletedlifetimefertilityorcompletedfamilysize.Surveyscollectdetailed
fertilitydatawhichallowin-depthanalysis,butwithgeographiclimitations.
Thedistributionofwomenbythenumberofchildreneverbomyieldsstatisticsonchildlessness.Similarly,this
distribution,whenarrangedaccordingtobirthorder,makespossiblethecalculationofparity-progressionratios,
ameasureofthechanceofhavinganadditionalchild.
StatisticsCanada-Cat.No.92-327E
Fertility