/codeBook/docDscr/citation/titlStmt/titl /codeBook/docDscr/citation/titlStmt/titl character string 950 Full authoritative title of the documentation (DC Title) /codeBook/docDscr/citation/titlStmt/IDNo /codeBook/docDscr/citation/titlStmt/IDNo character string 32 Documentation Identification Number (DC Identifier) /codeBook/docDscr/citation/rspStmt/AuthEnty /codeBook/docDscr/citation/rspStmt/AuthEnty character string 950 Documentation Authoring Entity (DC Creator) /codeBook/docDscr/citation/prodStmt/producer /codeBook/docDscr/citation/prodStmt/producer character string 950 Documentation Producer (DC Publisher) /codeBook/docDscr/citation/rspStmt/othID /codeBook/docDscr/citation/rspStmt/othID character string 950 Documentation - other identifications/Acknowledgements (DC Contributer) /codeBook/docDscr/citation/prodStmt/copyright /codeBook/docDscr/citation/prodStmt/copyright character string 950 Documentation Copyright (DC Rights) /codeBook/docDscr/citation/prodStmt/prodDate /codeBook/docDscr/citation/prodStmt/prodDate character string 32 Documentation date - as text (DC Date) /codeBook/docDscr/citation/prodStmt/prodDate/@date numeric date IS8601DA Documentation date -date field /codeBook/stdyDscr/citation/titlStmt /codeBook/stdyDscr/citation/titlStmt/titl character string 950 Full authoritative title of the study /codeBook/stdyDscr/citation/titlStmt/subTitl character string 950 A secondary study title /codeBook/stdyDscr/citation/titlStmt/altTitl character string 950 The alternative study title /codeBook/stdyDscr/citation/titlStmt/IDNo character string 256 Study Identification Number /codeBook/stdyDscr/citation/titlStmt/IDNo/@agency character string 950 Study agency /codeBook/stdyDscr/citation/rspStmt/authEnty /codeBook/stdyDscr/citation/rspStmt/authEnty character string 950 Study Authoring Entity /codeBook/stdyDscr/citation/prodStmt/copyright /codeBook/stdyDscr/citation/prodStmt/copyright character string 950 Study Copyright /codeBook/stdyDscr/citation/prodStmt/producer /codeBook/stdyDscr/citation/prodStmt/producer character string 950 Study producer /codeBook/stdyDscr/citation/prodStmt/producer/@affiliation character string 950 Study producer's affiliation /codeBook/stdyDscr/citation/prodStmt/producer/@role character string 950 Study producer's role /codeBook/stdyDscr/citation/prodStmt/prodDate /codeBook/stdyDscr/citation/prodStmt/prodDate character string 950 Study production date /codeBook/stdyDscr/citation/prodStmt/prodDate/@date numeric date IS8601DA Study production date (date field) /codeBook/stdyDscr/citation/prodStmt/software /codeBook/stdyDscr/citation/prodStmt/software character string 256 Software used to produce the data /codeBook/stdyDscr/citation/prodStmt/software/@version character string 256 Version of software used to produce the data /codeBook/stdyDscr/citation/prodStmt/fundAg /codeBook/stdyDscr/citation/prodStmt/fundAg character string 256 Source(s) of funds for the conduct of the research /codeBook/stdyDscr/citation/prodStmt/grantNo /codeBook/stdyDscr/citation/prodStmt/grantNo character string 950 The grant/contract number of the project that sponsored the effort /codeBook/stdyDscr/citation/distStmt/distrbtr /codeBook/stdyDscr/citation/distStmt/distrbtr character string 950 The organization designated by the author or producer to generate copies of the data /codeBook/stdyDscr/citation/verStmt /codeBook/stdyDscr/citation/verStmt/version character string 950 Version of the data /codeBook/stdyDscr/citation/biblCit /codeBook/stdyDscr/citation/biblCit character string 950 Complete bibliographic reference /codeBook/stdyDscr/citation/biblCit/@format character string 128 Bibliographic Citation Format /codeBook/stdyDscr/stdyInfo/subject/keyword /codeBook/stdyDscr/stdyInfo/subject/keyword character string 950 Words or phrases that describe salient aspects of a data collection's content (DC Subject) /codeBook/stdyDscr/stdyInfo/subject/topcClas /codeBook/stdyDscr/stdyInfo/subject/topcClas character string 128 The broad substantive topic(s) that the data cover (DC Subject) /codeBook/stdyDscr/stdyInfo/sumDscr/collDate /codeBook/stdyDscr/stdyInfo/sumDscr/collDate character string 30 Date of Collection (DC Coverage) /codeBook/stdyDscr/stdyInfo/sumDscr/collDate/@date numeric date IS8601DA Date of Collection as SAS date /codeBook/stdyDscr/stdyInfo/sumDscr/nation /codeBook/stdyDscr/stdyInfo/sumDscr/nation character string 128 Country or countries covered in the file (DC Coverage) /codeBook/stdyDscr/stdyInfo/sumDscr/geogCover /codeBook/stdyDscr/stdyInfo/sumDscr/geogCover character string 128 Geographic Coverage (DC Coverage) /codeBook/stdyDscr/stdyInfo/sumDscr/timePrd /codeBook/stdyDscr/stdyInfo/sumDscr/timePrd character string 32 Time Period Covered (DC Coverage) /codeBook/stdyDscr/stdyInfo/sumDscr/timePrd[@event="start"] character string 32 Start of Time Period Covered (DC Coverage) /codeBook/stdyDscr/stdyInfo/sumDscr/timePrd[@event="end"] character string 32 End of Time Period Covered (DC Coverage) /codeBook/stdyDscr/stdyInfo/sumDscr/timePrd[@event="single"] character string 32 Single Time Period Covered (DC Coverage) /codeBook/stdyDscr/stdyInfo/sumDscr/anlyUnit /codeBook/stdyDscr/stdyInfo/sumDscr/anlyUnit character string 950 Basic unit of analysis or observation that the file describes /codeBook/stdyDscr/stdyInfo/sumDscr/universe /codeBook/stdyDscr/stdyInfo/sumDscr/universe character string 200 Population covered by the data in the file /codeBook/stdyDscr/stdyInfo/sumDscr/dataKind /codeBook/stdyDscr/stdyInfo/sumDscr/dataKind character string 128 Type of data included in the file /codeBook/stdyDscr/method/dataColl/timeMeth /codeBook/stdyDscr/method/dataColl/timeMeth character string 128 Time method or time dimension of the data collection /codeBook/stdyDscr/method/dataColl/dataCollector /codeBook/stdyDscr/method/dataColl/dataCollector character string 256 Entity responsible for administering the questionnaire or interview or compiling the data /codeBook/stdyDscr/method/dataColl/frequenc /codeBook/stdyDscr/method/dataColl/frequenc character string 256 Frequency of Data Collection /codeBook/stdyDscr/method/dataColl/sampProc /codeBook/stdyDscr/method/dataColl/sampProc character string 950 Sampling Procedure /codeBook/stdyDscr/method/dataColl/collMode /codeBook/stdyDscr/method/dataColl/collMode character string 128 Mode of Data Collection /codeBook/stdyDscr/method/dataColl/resInstru /codeBook/stdyDscr/method/dataColl/resInstru character string 128 Type of Research Instrument /codeBook/stdyDscr/method/dataColl/weight /codeBook/stdyDscr/method/dataColl/weight character string 256 Criteria for using weights in analysis of the collection /codeBook/stdyDscr/stdyInfo/abstract /codeBook/stdyDscr/stdyInfo/abstract character string 950 Unformatted summary describing the purpose, nature, and scope of the data collection /codeBook/stdyDscr/stdyInfo/abstract/@source character string 256 Source of the Abstract /codeBook/fileDscr/fileTxt /codeBook/fileDscr/fileTxt/fileName character string 256 File Name used to distinguish a particular file/part from other files/parts in the data collection /codeBook/fileDscr/fileTxt/fileCont character string 950 Abstract or description of file. /codeBook/fileDscr/fileTxt/fileStrc/@type character string 16 rectangular Type of file structure - hierarchical, rectangular, relational or nested /codeBook/fileDscr/fileTxt/dimensns/caseQnty numeric STRING 16 Number of cases or observations in the entire file. To be used for rectangular files only /codeBook/fileDscr/fileTxt/dimensns/varQnty numeric STRING 10 Number of variables in the entire file, To be used for rectangular files only /codeBook/fileDscr/fileTxt/dimensns/logRecL numeric STRING 10 Logical record length of file, i.e., number of characters /codeBook/fileDscr/fileTxt/dimensns/recPrCas numeric STRING 16 Records per Case /codeBook/fileDscr/fileTxt/dimensns/recNumTot numeric STRING 16 Overall record count in file /codeBook/fileDscr/fileTxt/fileType character string 64 Type of File - includes raw data, software-dependent files such as SAS datasets, etc. /codeBook/fileDscr/fileTxt/format character string 200 Physical format of the data file (card-image, delimited, free format, etc.) /codeBook/fileDscr/fileTxt/dataChck character string 950 The types of checks and operations performed on the data file /codeBook/fileDscr/fileTxt/dataMsng character string 950 General information about missing data /codeBook/fileDscr/fileTxt/fileStrc/recGrp /codeBook/fileDscr/fileTxt/fileStrc/recGrp/@ID character string 256 ID of Record or Record Group Used to describe record groupings if the file is hierarchical /codeBook/fileDscr/fileTxt/fileStrc/recGrp/@recGrp character string 256 Record groups contained in this group /codeBook/fileDscr/fileTxt/fileStrc/recGrp/@rectype character string 256 The type of record, e.g., "A records" or "Household records." /codeBook/fileDscr/fileTxt/fileStrc/recGrp/@keyvar character string 256 An IDREF that provides the link to other record types /codeBook/fileDscr/fileTxt/fileStrc/recGrp/@rtypeloc character string 256 Starting column location of the record type indicator variable on each record of the data file /codeBook/fileDscr/fileTxt/fileStrc/recGrp/@rtypewidth numeric STRING 256 Width of the record type indicator /codeBook/fileDscr/fileTxt/fileStrc/recGrp/@rtypevtype character string 256 Type of the indicator variable numeric or character) /codeBook/fileDscr/fileTxt/fileStrc/recGrp/@recidvar character string 256 The unique ID of the variable identifying the group membership of the record /codeBook/fileDscr/fileTxt/fileStrc/recGrp/labl character string 256 A more descriptive specification of record group /codeBook/fileDscr/fileTxt//fileStrcrecGrp/recDimnsn/varQnty numeric STRING 256 Number of variables per record /codeBook/fileDscr/fileTxt/fileStrc/recGrp/recDimnsn/caseQnty numeric STRING 256 Number of records of this type /codeBook/fileDscr/fileTxt/fileStrc/recGrp/recDimnsn/logRecL numeric STRING 256 Logical record length of record Description of variables/codeBook/dataDscr/var /codeBook/dataDscr/var/@ID character string 32 Unique (XML) ID of variable /codeBook/dataDscr/var/@name character string 32 Unique ID for the variable - names are usually up to eight characters long /codeBook/dataDscr/var/@wgt character string 8 Whether the variable is a weight /codeBook/dataDscr/var/@wgt-var character string 32 Reference(s) to the weight variables for this variable /codeBook/dataDscr/var/@weight character string 32 IDREF(S) to the weight element(s)in study description (2.3.1.12) /codeBook/dataDscr/var/@qstn numeric STRING 16 Question ID for the variable /codeBook/dataDscr/var/@files numeric STRING 16 IDREF of the file to which the variable belongs /codeBook/dataDscr/var/@vendor numeric STRING 16 which particular vendor's flavor of format has been used (SAS date v. SPSS date) /codeBook/dataDscr/var/@dcml numeric STRING 16 Number of decimal points in the variable /codeBook/dataDscr/var/@intrvl numeric STRING 16 Options are discrete (default) or continuous /codeBook/dataDscr/var/@rectype character string 32 Record type to which this variable belongs /codeBook/dataDscr/var/@sdatrefs numeric STRING 16 ID values of all elements within the summary data description (2.2.3) that apply to this variable /codeBook/dataDscr/var/@methrefs numeric STRING 16 ID values of all elements within the study methodology and processing section (2.3) that apply to this variable /codeBook/dataDscr/var/@pubrefs numeric STRING 16 ID values of all citation elements within section 2.5 or section 6.0 that pertain to this variable /codeBook/dataDscr/var/@access numeric STRING 16 ID values of all elements in the data use statement (2.4.2) of the document that describe access conditions for this variable /codeBook/dataDscr/var/@aggrMeth numeric STRING 16 Type of aggregation method used /codeBook/dataDscr/var/@measUnit numeric STRING 16 The measurement unit, for example 'km' /codeBook/dataDscr/var/@scale numeric STRING 16 unit of scale, for example 'x1', 'x1000' /codeBook/dataDscr/var/@origin numeric STRING 16 The point of origin for anchored scales /codeBook/dataDscr/var/@nature numeric STRING 16 The nature of the variable, whether it is 'nominal', 'ordinal', 'interval', or 'ratio' /codeBook/dataDscr/var/@additivity numeric STRING 16 Type of additivity such as 'stock','flow', 'non-additive' /codeBook/dataDscr/var/@temporal numeric STRING 16 Whether the variable relays time-related information /codeBook/dataDscr/var/@geog numeric STRING 16 whether the variable relays geographic information /codeBook/dataDscr/var/@geoVocab numeric STRING 16 The (geographic) coding scheme used in this variable /codeBook/dataDscr/var/@catQnty numeric STRING 16 The number of categories found in the variable (for verifying cell counts in nCubes) /codeBook/dataDscr/var/location/@StartPos numeric STRING Starting position of the variable /codeBook/dataDscr/var/location/@EndPos numeric STRING Ending position of the variable /codeBook/dataDscr/var/location/@width numeric STRING Number of columns the variable occupies /codeBook/dataDscr/var/location/@RecSegNo numeric 1 STRING Record segment number, deck or card number the variable is located on /codeBook/dataDscr/var/location/@fileid numeric STRING IDREF link to the fileDscr element for the file that this location is within /codeBook/dataDscr/var/location/@locMap numeric STRING IDRef to the element locMap (3.2) and serves as a pointer to indicate that the location information for the nCube's cells (aggregate data) is located in that section /codeBook/dataDscr/var/labl character string 160 A descriptive phrase which defines the variable /codeBook/dataDscr/var/labl/@level character string 64 Level to which labl applies e.g. VAR /codeBook/dataDscr/var/labl/@Vendor character string 64 Vendor for whom labl constraints apply /codeBook/dataDscr/var/labl/@Country character string 64 Country for which labl is applicable /codeBook/dataDscr/var/labl/@sdatarefs character string 64 Sdatarefs for labl (see section A.2 of DDI DTD) /codeBook/dataDscr/var/imputation character string 512 The type of procedure by which missing values were estimated /codeBook/dataDscr/var/security character string 512 Levels of access to the variable e.g., public, subscriber /codeBook/dataDscr/var/security/@date numeric date IS8601DA Date for levels of access to the variable e.g., public, subscriber /codeBook/dataDscr/var/embargo character string 512 Information on variables which are not currently available because of policies established by the principal investigators and/or data producers /codeBook/dataDscr/var/embargo/@date numeric date IS8601DA Date for embargo /codeBook/dataDscr/var/embargo/@event character string 512 Embargo event (notBefore or notAfter) /codeBook/dataDscr/var/respUnit character string 512 Who provided the information contained within the variable, e.g., respondent, proxy, interviewer /codeBook/dataDscr/var/anlysUnit character string 512 Whom or what the variable describes /codeBook/dataDscr/var/qstn character string 512 Text for the question /codeBook/dataDscr/var/qstn/@ID character string 512 Unique ID (XML) for the question /codeBook/dataDscr/var/qstn/@var character string 512 Unique IDs (XML) for all of the variables relating to the question /codeBook/dataDscr/var/qstn/preQTxt character string 512 Text describing a set of conditions under which a question might be asked. /codeBook/dataDscr/var/qstn/qstnLit character string 512 Text of the actual, literal question asked /codeBook/dataDscr/var/qstn/postQTxt character string 512 Text describing what occurs after the literal question has been asked. /codeBook/dataDscr/var/qstn/forward character string 512 Reference to IDs of possible following questions /codeBook/dataDscr/var/qstn/backward character string 512 Reference to IDs of possible preceding questions /codeBook/dataDscr/var/qstn/ivuInstr character string 512 Specific instructions to the individual conducting an interview /codeBook/dataDscr/var/qstn/Link/@refs character string 16 Question linking references /codeBook/dataDscr/var/valrng/key character string 950 Listing of valid ranges and values /codeBook/dataDscr/var/invalrng/key character string 950 Listing of invalid ranges and values /codeBook/dataDscr/var/undocCod character string 512 Values whose meaning is unknown /codeBook/dataDscr/var/universe character string 128 /codeBook/dataDscr/var/TotlResp NUMERIC STRING 16 The number of responses to this variable /codeBook/dataDscr/var/sumStat character string 950 Statistical measures which describe the responses to the variable /codeBook/dataDscr/var/sumStat/type character string 16 Type of statistical measures /codeBook/dataDscr/var/sumStat/wgtd character string 16 Are statistical measures weighted /codeBook/dataDscr/var/sumStat/wgt-var character string 16 ID of statistical measures weight variable /codeBook/dataDscr/var/sumStat/weight character string 16 ID of statistical measures weight /codeBook/dataDscr/var/txt character string 512 An extended description of the variable /codeBook/dataDscr/var/txt/@level character string 16 Item-level to which the description applies /codeBook/dataDscr/var/stdCatgry character string 512 Standard category groups used in this variable, like industry codes, employment codes, or social class codes /codeBook/dataDscr/var/catgryGrp/@ID character string 32 ID for response categories that might be grouped /codeBook/dataDscr/var/catgryGrp/labl character string 512 Label for response categories that might be grouped /codeBook/dataDscr/var/catgryGrp/txt character string 512 Description of response categories that might be grouped /codeBook/dataDscr/var/varFormat character string 256 format for the variable in question /codeBook/dataDscr/var/varFormat/@type character string 64 character or numeric format /codeBook/dataDscr/var/varFormat/@formatname character string 64 /codeBook/dataDscr/var/varFormat/@schema character string 16 vendor or standards body which defines the format /codeBook/dataDscr/var/varFormat/@category character string 16 date, time, currency, other /codeBook/dataDscr/var/varFormat/@URI character string 256 network identifier for format definition /codeBook/dataDscr/var/notes character string 512 /codeBook/dataDscr/var/valrng /codeBook/dataDscr/var/@name character string 32 Variable name /codeBook/dataDscr/var/@ID character string 32 Variable unique ID /codeBook/dataDscr/var/valrng/@ID character string 32 Value range unique id /codeBook/dataDscr/var/valrng/range/@ID character string 32 Range unique ID /codeBook/dataDscr/var/valrng/range/@UNITS numeric STRING Range units (INT or REAL) /codeBook/dataDscr/var/valrng/range/@min numeric STRING Range minimum (inclusive of the value) /codeBook/dataDscr/var/valrng/range/@max numeric STRING Range maximum (inclusive of the value) /codeBook/dataDscr/var/valrng/range/@minExclusive numeric STRING Range minimum (exclusive of the value) /codeBook/dataDscr/var/valrng/range/@maxExclusive numeric STRING Range maximum (exclusive of the value) /codeBook/dataDscr/var/Valrng /codeBook/dataDscr/var/@name character string 32 Variable name /codeBook/dataDscr/var/@ID character string 32 Variable unique ID /codeBook/dataDscr/var/valrng/@ID character string 32 Valid valueitem unique id /codeBook/dataDscr/var/valrng/item/@ID character string 32 Valid item unique ID /codeBook/dataDscr/var/valrng/item/@UNITS numeric STRING Valid item units (INT or REAL) /codeBook/dataDscr/var/valrng/item/@VALUE numeric STRING Valid item value /codeBook/dataDscr/var/invalrng /codeBook/dataDscr/var/@name character string 32 Variable name /codeBook/dataDscr/var/@ID character string 32 Variable unique ID /codeBook/dataDscr/var/invalrng/@ID character string 32 Invalid valuerange unique id /codeBook/dataDscr/var/invalrng/range/@ID character string 32 Range unique ID /codeBook/dataDscr/var/invalrng/range/@UNITS numeric STRING Range units (INT or REAL) /codeBook/dataDscr/var/invalrng/range/@min numeric STRING Range minimum (inclusive of the value) /codeBook/dataDscr/var/invalrng/range/@max numeric STRING Range maximum (inclusive of the value) /codeBook/dataDscr/var/invalrng/range/@minExclusive numeric STRING Range minimum (exclusive of the value) /codeBook/dataDscr/var/invalrng/range/@maxExclusive numeric STRING Range maximum (exclusive of the value) /codeBook/dataDscr/var/invalrng /codeBook/dataDscr/var/@name character string 32 Variable name /codeBook/dataDscr/var/@ID character string 32 Variable unique ID /codeBook/dataDscr/var/invalrng/@ID character string 32 Invalid value item unique id /codeBook/dataDscr/var/invalrng/item/@ID character string 32 Invalid item unique ID /codeBook/dataDscr/var/invalrng/item/@UNITS numeric STRING Invalid item units (INT or REAL) /codeBook/dataDscr/var/invalrng/item/@VALUE numeric STRING Invalid item value /codeBook/dataDscr/var/invalrng /codeBook/dataDscr/var/invalrng/item/@VALUE numeric STRING /codeBook/dataDscr/var/@name character string 32 /codeBook/dataDscr/var/qstn/@ID character string 32 /codeBook/dataDscr/var/catgry /codeBook/dataDscr/var/catgry/@ID character string 32 Category unique ID /codeBook/dataDscr/var/@ID character string 32 Variable unique ID /codeBook/dataDscr/var/@name character string 32 Variable name /codeBook/dataDscr/var/catgry/catValu character string 16 Category Value - the explicit response /codeBook/dataDscr/var/catgry/labl character string 512 Category Label - a short description of the response /codeBook/dataDscr/var/catgry/labl/@level character string 16 Category Label level /codeBook/dataDscr/var/catgry/txt character string 128 Category Text - A fuller description of the response /codeBook/dataDscr/var/catgry/txt/@level character string 16 Category Text level /codeBook/dataDscr/var/catgry/catStat character string 950 Category Statistics /codeBook/dataDscr/var/catgry/catStat/@URI character string 256 Category Statistics URI /codeBook/dataDscr/var/catgry/labl/Link/@refs character string 16 Category link references /codeBook/dataDscr/var/catgry/@missing character string 16 Is category a missing value (Y or N) /codeBook/dataDscr/var/catgry/@missType character string 32 Category missing type e.g., inap., don't know, no answer, etc /codeBook/dataDscr/var/catgry/@country character string 32 Category country allows for the denotation of country-specific category values /codeBook/dataDscr/var/catgry/@sdatarefs character string 512 ID values of all elements within the summary data decription (2.2.3) that apply to this category /codeBook/dataDscr/var/catgry/@excls character string 512 Category exclusiveness (true or false) if the category can appear in more than one place in the classification hierarchy /codeBook/dataDscr/varGrp /codeBook/dataDscr/varGrp/labl character string 120 /codeBook/dataDscr/varGrp/txt character string 950 /codeBook/dataDscr/varGrp/concept character string 512 /codeBook/dataDscr/varGrp/defntn character string 950 /codeBook/dataDscr/varGrp/universe character string 512 /codeBook/dataDscr/varGrp/notes character string 950 /codeBook/dataDscr/varGrp/@ID character string 16 Unique (XML) ID for varGrp /codeBook/dataDscr/varGrp/@type character string 128 Type of grouping of the variables, e.g., topic, multiple response /codeBook/dataDscr/varGrp/@var character string 950 Constituent variable IDs in the group /codeBook/dataDscr/varGrp/@varGrp character string 950 Subsidiary variable groups which nest underneath the current varGrp /codeBook/dataDscr/varGrp/@name character string 950 The unique ID for the group /codeBook/dataDscr/varGrp/@sdatarefs character string 950 ID values of all elements within the summary data description (2.2.3) that apply to this variable group /codeBook/dataDscr/varGrp/@methrefs character string 950 ID values of all elements within the study methodology and processing section (2.3) that apply to this variable group /codeBook/dataDscr/varGrp/@pubrefs character string 950 ID values of all citation elements within section 2.5 or section 5.0 that pertain to this variable group /codeBook/dataDscr/varGrp/@access character string 950 ID values of all elements in the data use statement (2.4.2) that describe access conditions for this var group /codeBook/dataDscr/varGrp/@nCube character string 950 Variable group nCube attribute