... 111Uptofourracialgroupscouldbechosen.Respondentswhoidentifiedthemselveswithmorethanoneracialgroupwereaskedtoselectonegroupthat‘‘bestdescribes’’them,andtheRACErecodereflectedthisresponse.Becauseoflimitedsamplesize,Asian,PacificIslander,Alaskannative,andAmericanIndianwomenwerecombinedandpresentedinthisreportas‘‘Non-Hispanicother’’races.+Comparisonwithbirthcertificatedata—Thedataintable6ofthisreportshowthatfortheyears1991–94,theNSFGestimatesofthenumberofbirthsareveryclosetothebirthcertificatetotals,bothoverall,forindividualyears,andforbirthstowhitewomen.TheNSFGestimatesaresomewhatlowerforblackwomenandsomewhathigherforwomenof‘‘other’’racesthanthebirthcertificatedata.Thesedifferenceslargely(withinsamplingerror)canceleachotherout.Butthedataintable6suggestthatsomewomenwhoreportthattheyareof‘‘other’’races(AsianorPacificIslander,orAmericanIndianorAlaskannative)inasurveyliketheNSFGmaybeclassifiedaswhiteorblackbyathirdpartyfillingoutabirthcertificate.Inaddition,somewomenwhoidentifywithmorethanoneracialgroupmayidentifythemselvesprimarilywithaparticulargroup,butathirdpartymaynotchoosethatracialgroupifaskedtoclassifythembyrace.Theseissuesdonotappeartoaffectthecomparabilityofthetotalnumberofbirthsbyyearorothercharacteristics,whichshowverygoodagreementbetweentheNSFGandtheregisteredbirths.+InterpretationofdatabyraceandHispanicorigin—DataareshownbyraceandHispanicorigininthetablesbecauseNCHSisfrequentlyaskedtoprovidedataseparatelyforwhite,black,andHispanicwomen.Raceisassociatedwithanumberofindicatorsofsocialandeconomicstatus.Measuresofsocioeconomicstatus(forexample,educationandincome)arenotalwaysavailableforthepointintimewhentheeventbeingstudiedoccurred.Whilecharacteristicssuchaseducationandincomecanchangeovertime,raceandethnicitydonotchangesotheycanbeusedatallpointsintimeasproxiesforsocioeconomicstatus.Differencesamongwhite,black,andHispanicwomeninthephenomenapresentedinthetablesprimarilyreflectthelowerincomeandeducationallevelsofblackandHispanicwomen,theirmorelimitedaccesstohealthcareandhealthinsurance,thecommunitiesinwhichtheylive,andotherfactors(seereference14,tables49,53,81,173).Forsomerecentanalysesofdifferencesinbirthratesbyraceandorigin,seereferences1,15,40,and41.ReasonsforHIVtest—Allrespondentswhoreportedthattheyhadeverhadtheirbloodtestedforhumanimmunodeficiencyvirus(HIV),thevirusthatcausesAIDS,wereaskedthereasonsfortheirmostrecenttest.Theresponselistwasasfollows:+forahospitalizationorsurgicalprocedure+toapplyforhealthorlifeinsurance+becauseyouwerepregnantorbecauseitwaspartofprenatalcare+justtofindoutifyouwereinfected+becauseofareferralbyadoctor+otherreason(specify)Table86showsthepercentscitingspecificreasons,withthepercentsaddingtomorethan100becausesomewomengavemorethanonereasonfortheirHIVtest.Reasonsforsterilizingoperations—Table54showsreasonsreportedfortuballigations,hysterectomies,andvasectomies.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—Womenwereonlyaskedaboutreasonsforvasectomyifhercurrenthusbandorcohabitingpartnerhadhisvasectomyduringtheirrelationship.Thequestionsaskedaboutreasonsforvasectomyweregenerallysimilartothoseaskedforfemalesterilizationoperations.Theexceptionwasthatintheresponselistformedicalreasons,‘‘medicalproblemswithyourfemaleorgans’’wasreplacedwith‘‘HEhadahealthproblemthatrequiredtheoperation.’’Regionofresidence(atinterview)—TheREGIONrecodeclassifiesregionofresidenceattimeofinterviewintothefourmajorcensusregions:Northeast,Midwest,South,andWest.ThesePage112[Series23,No.19 ... that listedresponse options for type of providerand method of payment. For type of provider, the options listed were clinic,private doctor’s office or health maintenance organization (HMO), ... Title X-fundedfamily planning clinics in the country,provided by the Office of PopulationAffairs (OPA) of the Department of Health and Human Services, as well asother publicly funded family planningclinics...