IPUMS Data Quality Flags Availability Table

IPUMS Data Quality Flags Availability Table

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IPUMS Data Quality Flags Introduction

IPUMS Variables Quick Reference

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QACCESS	For ACCESS	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	.
QACREHOU	For ACREHOUS	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QACRENF	For ACRENONF	H	Desc	.	.	.	.	.	.	.	.	X	.	.	.	.
QACREPR2	For ACREPROP	H	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QACREPRO	For ACREPROP and FARM	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QACTIVIT	For ACTIVITY	P	Desc	.	.	.	.	.	.	.	.	X	.	.	.	.
QAGE	For AGE	P	Desc	X	X	X	X	X	X	X	X	X	X	X	X	X
QAGE2	For AGE	P	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QAGEMARR	For AGEMARR	P	Desc	.	.	.	.	.	.	.	SL	.	X	F1	X	.
QAGEMONT	For AGEMONTH	P	Desc	.	.	.	X	.	X	X	X	.	.	.	.	.
QAIRCON	For AIRCON	H	Desc	.	.	.	.	.	.	.	.	.	.	F2	X	.
QANCEST1	For ANCESTR1	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QANCEST2	For ANCESTR2	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QAUGMENT	For all variables in person record	P	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QAUTOS	For AUTOS	H	Desc	.	.	.	.	.	.	.	.	.	.	F2	X	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QBASEMEN	For BASEMENT	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QBATHRMS	For BATHRMS	H	Desc	.	.	.	.	.	.	.	.	.	.	F2	X	.
QBEDROOM	For BEDROOMS	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	X	X
QBIRTHMO	For BIRTHMO and BIRTHQTR	P	Desc	.	.	.	X	X	.	.	.	X	.	.	X	.
QBPL	For BPL and NATIVITY	P	Desc	X	X	X	X	X	X	X	X	X	X	X	X	X
QBUILTYR	For BUILTYR	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QCARPOOL	For CARPOOL	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QCHBORN	For CHBORN	P	Desc	.	.	.	.	X	X	.	SL	SL	X	X	X	X
QCHSURV	For CHSURV	P	Desc	.	.	.	.	X	X	.	.	.	.	.	.	.
QCITIZEN	For CITIZEN	P	Desc	.	.	.	.	X	X	X	X	X	.	F1	X	X
QCITY	For CITY, CITYPOP, URBAN, and SIZEPL	H	Desc	.	.	.	.	X	X	.	.	.	.	.	.	.
QCLASS5Y	For CLASS5YR	P	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QCLASSWK	For CLASSWKR	P	Desc	.	.	.	.	.	X	X	X	X	.	X	X	X
QCLOSEOU	For all variables in household record	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QCOLL5YR	For COLL5YR	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QCOMMUSE	For COMMUSE	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QCONDO	For CONDO	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QCONDOFE	For CONDOFEE	H	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QCOSTEL2	For COSTELEC	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QCOSTELE	For COSTELEC	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QCOSTFU2	For COSTFUEL	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QCOSTFUE	For COSTFUEL	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QCOSTGAS	For COSTGAS	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QCOSTWA2	For COSTWATR	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QCOSTWAT	For COSTWATR	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QCOUNTY	For COUNTY, METRO, METAREA, and SEA	H	Desc	.	.	.	.	X	.	.	.	.	.	.	.	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QDEDUCTS	For DEDUCTS	P	Desc	.	.	.	.	.	.	.	SL	.	.	.	.	.
QDEPARTS	For DEPARTS	P	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QDISABDU	For DISABDUR	P	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QDISABMO	For DISABMOB	P	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QDISABTR	For DISABTRN	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QDISABWR	For DISABWRK	P	Desc	.	.	.	.	.	.	.	.	.	.	F1	X	X
QDISHWSH	For DISHWSHR	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QDRYER	For DRYER	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QDURMARR	For DURMARR	P	Desc	.	.	.	.	X	X	.	.	SL	.	.	.	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QEARN	For INCWAGE, INCBUS, INCFARM, and INCTOT	P	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QEDUC	For EDUCREC, HIGRADE, and EDUC99	P	Desc	.	.	.	.	.	.	.	X	SL	.	X	X	X
QELEVATO	For ELEVATOR	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	X	.
QEMPSTAT	For EMPSTAT and LABFORCE	P	Desc	.	.	.	.	.	X	.	X	X	X	X	X	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QFARM	For FARM	H	Desc	.	.	.	.	X	X	X	X	X	.	.	.	.
QFARMPRO	For FARMPROD and FARM	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QFBPL	For FBPL and NATIVITY	P	Desc	.	.	.	X	X	X	X	SL	SL	X	F2	.	.
QFBPL2	For FBPL	P	Desc	.	.	.	.	.	.	.	SL	.	.	.	.	.
QFBUSINC	For FBUSINC	H	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QFMTONG	For FMTONGUE	P	Desc	.	.	.	.	.	X	X	.	.	.	.	.	.
QFOTHINC	For FOTHINC	H	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QFREEZER	For FREEZER	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QFTOTINC	For FTOTINC	H	Desc	.	.	.	.	.	.	.	.	SL	X	.	.	.
QFUELCOO	For FUELCOOK	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	X	.
QFUELHEA	For FUELHEAT	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	X	X
QFUELWAT	For FUELWATR	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	X	.
QFWAGE1	For FWAGE1	H	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QFWAGE2	For FWAGE2	H	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QGQ	For GQ	H	Desc	X	X	X	X	X	X	X	X	X	.	X	X	.
QGQTYPE	For GQTYPE	H	Desc	.	.	.	.	.	.	.	X	X	.	X	X	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QHADNAJO	For HADNAJOB	P	Desc	.	.	.	.	.	.	.	.	X	.	.	.	.
QHEATING	For HEATING	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	.
QHHJOIN	For all variables in person record	P	Desc	.	.	.	X	.	.	.	.	.	.	.	.	.
QHHSPLIT	For all variables in household record	H	Desc	.	.	.	X	.	.	.	.	.	.	.	.	.
QHISPAN	For HISPAN	P	Desc	.	.	.	.	.	.	.	.	.	.	F1	X	X
QHOTWATE	For HOTWATER	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QHRSWORK	For HRSWORK	P	Desc	.	.	.	.	.	.	.	X	X	X	X	X	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QINC	For INCTOT, INCSS, INCWELF, and INCOTHER	P	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QINCBUS	For INCBUS, INCTOT, and INCEARN	P	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QINCBUSF	For INCBUSFM	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QINCFARM	For INCFARM, INCTOT, and INCEARN	P	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QINCINVS	For INCINVST and INCTOT	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QINCNONW	For INCNONWG	P	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QINCOTHE	For INCOTHER and INCTOT	P	Desc	.	.	.	.	.	.	.	.	SL	.	X	X	X
QINCRETI	For INCRETIR and INCTOT	P	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QINCSS	For INCSS and INCTOT	P	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QINCTOT	For INCTOT	P	Desc	.	.	.	.	.	.	.	.	SL	X	.	.	.
QINCWAGE	For INCWAGE, INCTOT, and INCEARN	P	Desc	.	.	.	.	.	.	.	X	SL	.	X	X	X
QINCWELF	For INCWELFR and INCTOT	P	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QIND	For IND and IND1950	P	Desc	.	.	.	.	.	X	X	X	X	.	X	X	X
QIND5YR	For IND5YR	P	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QINSINCL	For INSRINCL	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QKITCHEN	For KITCHEN	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QLANGUAG	For LANGUAGE and SPEAKENG	P	Desc	.	.	.	.	.	X	.	.	.	.	.	X	X
QLIT	For LIT	P	Desc	.	.	.	X	X	X	X	.	.	.	.	.	.
QLOOKING	For LOOKING	P	Desc	.	.	.	.	.	.	.	.	X	.	.	.	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QMARINYR	For MARRINYR	P	Desc	.	.	.	X	.	.	.	.	.	.	.	.	.
QMARRNO	For MARRNO	P	Desc	.	.	.	.	.	.	.	SL	SL	.	F1	X	.
QMARRQTR	For MARRQTR	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QMARST	For MARST	P	Desc	.	.	.	X	X	X	X	X	X	.	X	X	X
QMBPL	For MBPL and NATIVITY	P	Desc	.	.	.	X	X	X	X	SL	SL	X	F2	.	.
QMBPL2	For MBPL	P	Desc	.	.	.	.	.	.	.	SL	.	.	.	.	.
QMIGCIT5	For MIGCITY5	P	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QMIGCOGR	For MIGCOGRP, MIGMET5, MIGCITY5, and MIGTYPE	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QMIGDIS1	For MIGDIST1	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QMIGDIS5	For MIGDIST5	P	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QMIGFAR1	For MIGFARM1	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QMIGFAR5	For MIGFARM5	P	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QMIGMET1	For MIGMET1	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QMIGMET5	For MIGMET5	P	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QMIGPLC1	For MIGPLAC1	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QMIGPLC5	For MIGPLAC5, MIGMET5, MIGCITY5, and MIGTYPE	P	Desc	.	.	.	.	.	.	.	X	.	.	X	X	X
QMIGRAT1	For MIGRATE1	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QMIGRAT5	For MIGRATE5	P	Desc	.	.	.	.	.	.	.	X	.	.	F2	X	X
QMIGSEA1	For MIGSEA1	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QMIGSEA5	For MIGSEA5	P	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QMIGTYP1	For MIGTYPE1	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QMIGTYP5	For MIGTYPE5	P	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QMILIT5Y	For MILIT5YR	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QMMTONG	For MMTONGUE	P	Desc	.	.	.	.	.	X	X	.	.	.	.	.	.
QMOBLHOM	For MOBLHOME	H	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QMORTAM1	For MORTAMT1	H	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QMORTAM2	For MORTAMT2	H	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QMORTGA2	For MORTGAG2	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QMORTGAG	For MORTGAGE	H	Desc	.	.	.	.	X	X	X	.	.	.	.	X	X
QMORTOTA	For MORTOTAL	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QMOVEDIN	For MOVEDIN	P	Desc	.	.	.	.	.	.	.	.	.	.	F2	X	X
QMTONGUE	For MTONGUE	P	Desc	.	.	.	.	.	X	X	SL	.	X	F2	.	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QNAMELST	For NAMELAST	P	Desc	.	.	.	X	.	.	.	.	.	.	.	.	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QOCC	For OCC, OCC1950, SEI, OCCSCORE, and LABFORCE	P	Desc	X	X	X	X	X	X	X	X	X	.	X	X	X
QOCC5YR	For OCC5YR and OCC5YR95	P	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QOWNERSH	For OWNERSHP	H	Desc	.	.	.	.	X	X	X	X	.	.	X	X	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QPERSCAR	For PERSCARE	P	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QPHONE	For PHONE	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QPLUMBIN	For PLUMBING	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QPROPINS	For PROPINSR	H	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QPROPTX2	For PROPTXIN	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QPROTX99	For PROPTX99	H	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QPROPTXI	For PROPTXIN	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QPW	For PWTYPE	P	Desc	.	.	.	.	.	.	.	.	.	.	F2	.	.
QPWSTAT2	For PWSTATE2	P	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QQTRUNEM	For QTRUNEMP, WKSUNEMP, MOUNEMP, and DURUNEMP	P	Desc	.	.	.	.	X	X	.	X	SL	.	.	X	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QRACE	For RACE	P	Desc	.	.	.	X	X	X	X	X	X	.	X	X	X
QRACE2	For RACE	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QRADIO	For RADIO	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QRCLASSW	For RCLASSWK	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QRELATE	For RELATE	P	Desc	X	X	X	X	X	X	X	X	X	.	X	X	X
QRELATE2	For RELATE	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QRENT	For RENT	H	Desc	.	.	.	.	.	.	.	X	.	.	X	.	.
QRENTGRS	For RENTGRS	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QRENTMEA	For RENTMEAL	H	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QRIDERS	For RIDERS	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QRIND	For RIND	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QROCC	For ROCC	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QROOMS	For ROOMS	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QSAMEPLA	For SAMEPLAC	P	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QSAMMET1	For SAMEMET1	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QSAMMET5	For SAMEMET5	P	Desc	.	.	.	.	.	.	.	X	.	.	.	X	.
QSAMSEA1	For SAMESEA1	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QSAMSEA5	For SAMESEA5	P	Desc	.	.	.	.	.	.	.	X	.	.	.	.	.
QSCHLTYP	For SCHLTYPE	P	Desc	.	.	.	.	.	.	.	.	.	X	.	.	.
QSCHLVOC	For SCHLVOC	P	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QSCHOOL	For SCHOOL and SCHLTYPE	P	Desc	.	.	.	X	X	X	X	X	SL	X	F2	X	X
QSECHOME	For SECHOME	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QSEWAGE	For SEWAGE	H	Desc	.	.	.	.	.	.	.	.	.	.	F2	X	X
QSEX	For SEX	P	Desc	X	X	X	X	X	X	X	X	X	.	X	X	X
QSHOWER	For SHOWER	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QSPAN95	For SPAN95	P	Desc	.	.	.	.	.	.	.	.	X	.	.	.	.
QSPANNAM	For SPANNAME	P	Desc	.	.	.	.	.	.	.	X	X	.	.	.	.
QSPEAKEN	For SPEAKENG	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QSSENROL	For SSENROLL	P	Desc	.	.	.	.	.	.	.	SL	.	.	.	.	.
QSTORIES	For STORIES	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	X	.
QSUBSTIH	For all variables in household record	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QSUBSTIP	For all variables in person record	P	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QSURSIM	For SURSIM	P	Desc	X	X	X	X	.	X	X	X	X	.	.	.	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QTAXINCL	For TAXINCL	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QTOILET	For TOILET	H	Desc	.	.	.	.	.	.	.	.	.	.	X	.	.
QTRANTIM	For TRANTIME	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QTRANWOR	For TRANWORK	P	Desc	.	.	.	.	.	.	.	.	.	.	F2	X	X
QTRUCKS	For TRUCKS	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QTV	For TV	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QUCLASSW	For UCLASSWK	P	Desc	.	.	.	.	.	.	.	SL	.	.	.	.	.
QUHF	For UHF	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QUIND	For UIND	P	Desc	.	.	.	.	.	.	.	SL	.	.	.	.	.
QUNITSAD	For UNITSADD	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	.
QUNITSST	For UNITSSTR	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QUOCC	For UOCC	P	Desc	.	.	.	.	.	.	.	SL	.	.	.	.	.

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QVACANC2	For VACANCY	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QVACANCY	For VACANCY	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QVACBOAR	For VACBOARD	H	Desc	.	.	.	.	.	.	.	.	.	.	.	X	X
QVACDUR	For VACDU	H	Desc	.	.	.	.	.	.	.	.	.	.	X	X	X
QVALUE	For VALUE	H	Desc	.	.	.	.	.	.	.	X	.	.	X	X	X
QVEHICLE	For VEHICLE	H	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X
QVETCHIL	For VETCHILD	P	Desc	.	.	.	.	.	.	.	SL	.	.	.	.	.
QVETOTHE	For VETOTHER	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QVETPER	For VETPER, VET55X64, VET75X80, VET80X90, VETKOREA, VETOTHER, VETVIETN, VETWWI, and VETWWII	P	Desc	.	.	.	.	.	.	.	SL	.	.	.	X	X
QVETSTAT	For VETSTAT, VET55X64, VET75X80, VET80X90, VETKOREA, VETOTHER, VETVIETN, VETWWI, and VETWWII	P	Desc	.	.	.	.	.	.	.	SL	.	X	F2	X	X
QVETWWI	For VETWWI	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QVETWWII	For VETWWII	P	Desc	.	.	.	.	.	.	.	.	SL	.	.	.	.
QVETYRS	For VETYRS	P	Desc	.	.	.	.	.	.	.	.	.	.	.	.	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QWASHER	For WASHER	H	Desc	.	.	.	.	.	.	.	.	.	.	F1	.	.
QWATERSR	For WATERSRC	H	Desc	.	.	.	.	.	.	.	.	.	.	F2	X	X
QWIDOW	For WIDOW	P	Desc	.	.	.	.	.	.	.	.	.	.	F1	X	.
QWKSWORK	For WKSWORK1 and WKSWORK2	P	Desc	.	.	.	.	.	.	.	X	SL	.	X	X	X
QWORK5YR	For WORK5YR	P	Desc	.	.	.	.	.	.	.	.	.	.	.	X	.
QWORKEDY	For WORKEDYR	P	Desc	.	.	.	.	.	.	.	.	.	X	X	X	X

Variable Name	Variable Description	Rec	Variable Description	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
QYRIMM	For YRIMMIG and YRSINUSA	P	Desc	.	.	.	.	X	X	X	.	.	.	.	X	X
QYRLASTW	For YRLASTWK	P	Desc	.	.	.	.	.	.	.	.	.	X	X	X	X
QYRNATUR	For YRNATUR	P	Desc	.	.	.	.	.	.	X	.	.	.	.	.	.

Availability Key

All Years

1940 and 1950

1970

1980

1990

Available in all samples in this year

Available only for sample-line persons

Form 1 samples (5%)

State sample ("A" or 5% state)

State sample, Flat sample (5% state)

Not available in this year

Form 2 samples (15%)

Metro sample ("B" or 1% county group)

Metro sample (1% metro)

State sample

Urban/Rural sample ("C" or 1% urban/rural)

Elderly sample

Metro samples (county group)

Neighborhood samples