... 1995CharacteristicNumber of women in thousands1Percent who douche regularlyTotal2HispanicNon-HispanicwhiteNon-Hispanicblack Total2HispanicNon-HispanicwhiteNon-HispanicblackAll women 60,201 ... 101AppendixDefinitionsofTermsThisappendixdefinesanumberoftechnicaltermsusedinthisreport.Thetermsarelistedinalphabeticalorder.SomeofthedefinitionsusedirectquotationsfromtheNSFGquestionnaire;thoseareshowninquotationmarksanditalics.Forconvenienceinwriting,thewomenwhowereinterviewedintheNSFGaresometimesreferredtoas‘‘respondents’’inthisappendix.ToassistusersoftheNSFGpublic-usecomputerdatafile,theshortvariablenamefromthedatafile(upto8characters)isalsoshowninthedefinition.(Forexample,AGEAPR1,forAgeonApril1,1995;andHIEDUC,forEducationatinterview,etc.)AdditionaldetailsontheprecisespecificationsofsomeofthevariablesaregiveninAppendix1theUser’sGuidetotheNSFGpublic-usedatafiledocumentation.Additionalbirthsexpected—TherecodeADDEXPindicatesthenumberofchildrenawomanexpectstogivebirthtointhefuture,includingacurrentpregnancyifapplicable.Womenwhoweresterileorwhoweremarriedtosterilemenwereclassifiedasexpectingzeroadditionalbirths.Thosephysicallyabletohavebirthswereaskedwhetherthey,andtheircurrenthusbandorpartnerifapplicable,intendedtohaveanybabiesinthefuture ,and, ifso,howmany.Womenwhodidnotknowwhethertheyintendedtohaveanyfuturebirths,orwhodidnotknowaparticularnumbertheyintendedtohave,wereaskedforthesmallestandlargestnumberstheyexpectedtohave.Theestimateofadditionalbirthsexpectedinthosecasesisanaverageofthesmallestandlargestnumbersgiven.Ageatbirth—TheAGEPREGrecodegivesthewoman’sageincompletedyears(forexample,2200–2299equalsage22)atthetimewheneachofherpregnanciesended.TheOUTCOMErecodeindicatestheprimaryoutcomeofeachpregnancy,assigningpriorityinthefollowingorder:livebirth,abortion,stillbirth,miscarriage,andectopicpregnancy.‘‘Ageatbirth’’asshowninthisreport’stablesisdefinedasAGEPREGwhenOUTCOMEequals‘‘livebirth.’’Thecategoriestypicallypresentedare:lessthan20years,20–24years,25–29years ,and3 0–44years.Ageatconception—TheAGECONrecode,‘‘ageattimeofconception,’’isusedinsometablesconcerningcontraceptivemethoduseandintendednessofpregnancies.Foreachcompletedpregnancy,AGECONisdefinedastherespondent’sageincompletedyearsattheapproximatetimewhenherpregnancywasconceived,regardlessofpregnancyoutcome.Ageatfirstmarriageandyearoffirstmarriage—TheFMAR1AGErecodegivesthewoman’sageincompletedyearsatfirstformal(legal)marriage.YearoffirstmarriageisbasedontheMARDAT01recode,whichgivesthedateincenturymonthsofawoman’sfirstformalmarriage.Ageatfirstsexualintercourse—Threedifferentdefinitionsofageatfirstintercourseareusedinthisreport:+Ageatfirstintercourseever(recode=VRY1STAG)+Ageatfirstintercourseaftermenarche+Ageatfirstvoluntaryintercourse(recode=VOL1AGE)Formostrespondents,thevaluesofthesevariablesarethesamebuttheymaydifferifherfirstintercoursewasbeforemenarcheorifitwasnotvoluntary.Allthreemeasuresarebasedprimarilyonaquestionasking:‘‘Thinkingabouttheveryfirsttimeinyourlifethatyouhadsexualintercoursewithaman,howoldwereyou?’’Todeterminethesecondandthirdmeasures,otherinformationisused:theMENARCHRrecode,whichspecifiesherageatfirstmenstrualperiod ,and itemsthatcapturewhetherthefirstintercoursewasvoluntaryornonvoluntary(seedefinitionofNonvoluntaryfirstsexualintercourse).VRY1STAG(ageatfirstintercourseever)isusedintables2 1and2 6–31.Intables26–31,itisusedasanindependentorpredictorvariablewhennumberofsexualpartnersisusedasthedependentvariable.‘‘Ageatfirstintercourseaftermenarche’’isusedasthedependentvariableintable20.VOL1AGE(ageatfirstvoluntaryintercourse)isusedintables2 3and2 4asanindependent(orpredictor)variable.(Consult1995NSFGPublicUseFileDocumentation,User’sGuide,Appendix1,forprecisespecificationsforthesemeasures.)Ageatinterview—Inthisreport,‘‘ageatinterview’’(recode=AGEAPR1)isclassifiedbasedontherespondent’sageasofApril1,1995,theestimatedmidpointoftheinterviewingperiod.Samplewomenwereeligibleforthe1995NSFGiftheywere15–44yearsofageonApril1,1995—thatis,iftheywerebornbetweenApril1,1950 ,and March31,1980.Exactageattimeofinterviewisalsointhedatafile(recode=AGER),butmaynotbeequaltoAGEAPR1inallcases.Ageoffirstpartner—Eachrespondentwhoeverhadvoluntary(vaginal)sexualintercoursewithamalepartnerwasaskedtheageincompletedyearsofherfirstvoluntarypartneratthetimeherfirstintercourseoccurred.Theword‘‘voluntary’’wasonlyusedinquestiontextwhentherespondenthadpreviouslyreportedthatherfirstintercoursewasnotvoluntary.Ageofyoungestchild/ageofchild—The‘‘ageoftheyoungestchild’’or‘‘ageofchild’’ispresentedintablesonchildcarearrangements.Agewasascertainedfromthehouseholdroster,whichcollectedtheage(inyears,ormonthsifunderoneyear),relationshiptotherespondent,andsexofeverymemberoftherespondent’shousehold.Householdmemberswhowerethewoman’snaturalchild,stepchild,orpartner’schildandwhowereunder13yearsofage,werethechildrenreferencedinthechildcareseries.Theageoftheyoungestsuchchildwasclassifiedas‘‘under5years’’or‘‘5–12years’’inthetables.Amountpaidperweekforchildcare—ThiswasascertainedfromaquestionaskingaboutthetotalchildcarepaymentforallchildrenunderagePage102[Series23 ,No. 1913, ... 111Uptofourracialgroupscouldbechosen.Respondentswhoidentifiedthemselveswithmorethanoneracialgroupwereaskedtoselectonegroupthat‘‘bestdescribes’’them,andtheRACErecodereflectedthisresponse.Becauseoflimitedsamplesize,Asian,PacificIslander,Alaskannative ,and AmericanIndianwomenwerecombinedandpresentedinthisreportas‘‘Non-Hispanicother’’races.+Comparisonwithbirthcertificatedata—Thedataintable6ofthisreportshowthatfortheyears1991–94,theNSFGestimatesofthenumberofbirthsareveryclosetothebirthcertificatetotals,bothoverall,forindividualyears ,and forbirthstowhitewomen.TheNSFGestimatesaresomewhatlowerforblackwomenandsomewhathigherforwomenof‘‘other’’racesthanthebirthcertificatedata.Thesedifferenceslargely(withinsamplingerror)canceleachotherout.Butthedataintable6suggestthatsomewomenwhoreportthattheyareof‘‘other’’races(AsianorPacificIslander,orAmericanIndianorAlaskannative)inasurveyliketheNSFGmaybeclassifiedaswhiteorblackbyathirdpartyfillingoutabirthcertificate.Inaddition,somewomenwhoidentifywithmorethanoneracialgroupmayidentifythemselvesprimarilywithaparticulargroup,butathirdpartymaynotchoosethatracialgroupifaskedtoclassifythembyrace.Theseissuesdonotappeartoaffectthecomparabilityofthetotalnumberofbirthsbyyearorothercharacteristics,whichshowverygoodagreementbetweentheNSFGandtheregisteredbirths.+InterpretationofdatabyraceandHispanicorigin—DataareshownbyraceandHispanicorigininthetablesbecauseNCHSisfrequentlyaskedtoprovidedataseparatelyforwhite,black,andHispanic women. Raceisassociatedwithanumberofindicatorsofsocialandeconomicstatus.Measuresofsocioeconomicstatus(forexample,educationandincome)arenotalwaysavailableforthepointintimewhentheeventbeingstudiedoccurred.Whilecharacteristicssuchaseducationandincomecanchangeovertime,raceandethnicitydonotchangesotheycanbeusedatallpointsintimeasproxiesforsocioeconomicstatus.Differencesamongwhite,black,andHispanicwomeninthephenomenapresentedinthetablesprimarilyreflectthelowerincomeandeducationallevelsofblackandHispanicwomen,theirmorelimitedaccesstohealthcareandhealthinsurance,thecommunitiesinwhichtheylive,andotherfactors(seereference14,tables49,53,81,173).Forsomerecentanalysesofdifferencesinbirthratesbyraceandorigin,seereferences1,15,40 ,and4 1.ReasonsforHIVtest—Allrespondentswhoreportedthattheyhadeverhadtheirbloodtestedforhumanimmunodeficiencyvirus(HIV),thevirusthatcausesAIDS,wereaskedthereasonsfortheirmostrecenttest.Theresponselistwasasfollows:+forahospitalizationorsurgicalprocedure+toapplyforhealthorlifeinsurance+becauseyouwerepregnantorbecauseitwaspartofprenatalcare+justtofindoutifyouwereinfected+becauseofareferralbyadoctor+otherreason(specify)Table86showsthepercentscitingspecificreasons,withthepercentsaddingtomorethan100becausesomewomengavemorethanonereasonfortheirHIVtest.Reasonsforsterilizingoperations—Table54showsreasonsreportedfortuballigations,hysterectomies ,and vasectomies.Foreachofhersterilizingoperations,therespondentwasasked:‘‘NowpleaselookatCardD-3whichlistssomereasonsthatwomensometimesgiveforhavingsterilizingoperations.Whichreasonorreasonsdoyoubelieveareclosesttoyourown?’’Womencouldchoosealloftheapplicableresponsesfromthefollowinglist:+Youhadallthechildrenyouwanted+Yourhusbandorpartneratthetimedidnotwantanymorechildren+Financialreasons,thatis,youcouldnotaffordanotherbaby+Medicalreasons+Reasonsrelatedtobirthcontrol+SomeotherreasonsforsterilizationThosementioning‘‘medicalreasons’’wereasked:‘‘PleaselookatCardD-4.Whichofthesemedicalreasonsdidyouhave?’’Theresponselist,againpermittingallapplicablereasonstobecoded,readasfollows:+Medicalproblemswithyourfemaleorgans+Pregnancywouldbedangeroustoyourhealth+Youwouldprobablyloseapregnancy+Youwouldprobablyhaveanunhealthychild+Someothermedicalreason(specify)Thosementioning‘‘reasonsrelatedtobirthcontrol’’intheoriginalquestionwereasked:‘‘Wasyourmethodofbirthcontroldangeroustoyourhealthordidyounotlikeyourmethodofbirthcontrolforotherreasons?’’Womenreportingmorethanonereasonfortheirsterilizingoperationwereaskedtoidentifytheirmainreason.Reasonsforvasectomies Women wereonlyaskedaboutreasonsforvasectomyifhercurrenthusbandorcohabitingpartnerhadhisvasectomyduringtheirrelationship.Thequestionsaskedaboutreasonsforvasectomyweregenerallysimilartothoseaskedforfemalesterilizationoperations.Theexceptionwasthatintheresponselistformedicalreasons,‘‘medicalproblemswithyourfemaleorgans’’wasreplacedwith‘‘HEhadahealthproblemthatrequiredtheoperation.’’Regionofresidence(atinterview)—TheREGIONrecodeclassifiesregionofresidenceattimeofinterviewintothefourmajorcensusregions:Northeast,Midwest,South,andWest.ThesePage112[Series23 ,No. 19...