... 101AppendixDefinitionsofTermsThisappendixdefinesanumberoftechnicaltermsusedinthisreport.Thetermsarelistedinalphabeticalorder.SomeofthedefinitionsusedirectquotationsfromtheNSFGquestionnaire;thoseareshowninquotationmarksanditalics.Forconvenienceinwriting,thewomenwhowereinterviewedintheNSFGaresometimesreferredtoas‘‘respondents’’inthisappendix.ToassistusersoftheNSFGpublic-usecomputerdatafile ,the shortvariablenamefromthedatafile(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 .The estimateofadditionalbirthsexpectedinthosecasesisanaverageofthesmallestandlargestnumbersgiven.Ageatbirth—TheAGEPREGrecodegivesthewoman’sageincompletedyears(forexample,2200–2299equals age2 2)atthetimewheneachofherpregnanciesended.TheOUTCOMErecodeindicatestheprimaryoutcomeofeachpregnancy,assigningpriorityinthefollowingorder:livebirth,abortion,stillbirth,miscarriage,andectopicpregnancy.‘‘Ageatbirth’’asshowninthisreport’stablesisdefinedasAGEPREGwhenOUTCOMEequals‘‘livebirth.’’Thecategoriestypicallypresentedare:lessthan20years,20–24years,25–29years,and30–44years.Ageatconception—TheAGECONrecode,‘‘ageattimeofconception,’’isusedinsometablesconcerningcontraceptivemethoduseandintendednessofpregnancies.Foreachcompletedpregnancy,AGECONisdefinedastherespondent’sageincompletedyearsattheapproximatetimewhenherpregnancywasconceived,regardlessofpregnancyoutcome.Ageatfirstmarriageandyearoffirstmarriage—TheFMAR1AGErecodegivesthewoman’sageincompletedyearsatfirstformal(legal)marriage.YearoffirstmarriageisbasedontheMARDAT01recode,whichgivesthedateincenturymonthsofawoman’sfirstformalmarriage.Ageatfirstsexualintercourse—Threedifferentdefinitionsofageatfirstintercourseareusedinthisreport:+Ageatfirstintercourseever(recode=VRY1STAG)+Ageatfirstintercourseaftermenarche+Ageatfirstvoluntaryintercourse(recode=VOL 1AGE) Formostrespondents,thevaluesofthesevariablesarethesamebuttheymaydifferifherfirstintercoursewasbeforemenarcheorifitwasnotvoluntary.Allthreemeasuresarebasedprimarilyonaquestionasking:‘‘Thinkingabouttheveryfirsttimeinyourlifethatyouhadsexualintercoursewithaman,howoldwereyou?’’Todeterminethesecondandthirdmeasures,otherinformationisused :the MENARCHRrecode,whichspecifiesherageatfirstmenstrualperiod,anditemsthatcapturewhetherthefirstintercoursewasvoluntaryornonvoluntary(seedefinitionofNonvoluntaryfirstsexualintercourse).VRY1STAG(ageatfirstintercourseever)isusedintables21and26–31.Intables26–31,itisusedasanindependentorpredictorvariablewhennumberofsexualpartnersisusedasthedependentvariable.‘‘Ageatfirstintercourseaftermenarche’’isusedasthedependentvariableintable20.VOL 1AGE( ageatfirstvoluntaryintercourse)isusedintables23and24asanindependent(orpredictor)variable.(Consult1995NSFGPublicUseFileDocumentation,User’sGuide,Appendix1,forprecisespecificationsforthesemeasures.)Ageatinterview—Inthisreport,‘‘ageatinterview’’(recode=AGEAPR1)isclassifiedbasedontherespondent’sageasofApril1,1995,theestimatedmidpointoftheinterviewingperiod.Samplewomenwereeligibleforthe1995NSFGiftheywere15–44yearsofageonApril1,1995—thatis,iftheywerebornbetweenApril1,1950,andMarch31,1980.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 .The ageoftheyoungestsuchchildwasclassifiedas‘‘under5years’’or‘‘5–12years’’inthetables.Amountpaidperweekforchildcare—ThiswasascertainedfromaquestionaskingaboutthetotalchildcarepaymentforallchildrenunderagePage102[Series23,No.1913, ... reflect the woman’sreports of the father’s attitudes toward the pregnancy at the time of conception.If the respondent said she did notknow whether she wanted to havea(nother) child then or in the ... years of age in the civiliannoninstitutionalized population of the United States. Its main function is tocollect data on factors affectingpregnancy and women’s health in the United States. The...