IPUMS Variables (U-Z)

IPUMS Variables (U-Z)

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	Household record		Person record
	Technical Variables		Technical Variables
	Geographic Variables		Family Interrelationship Variables
	Group Quarter Variables		Core Demographic Variables
	Economic Characteristic Variables		Ethnicity/Nativity Variables
	Vacancy Status Variables		Education Variables
	Dwelling Characteristic Variables		Work Variables
	Appliances, Mechanical, Other Variables		Income Variables
	Historical PUMS Technical Variables		Migration Variables
	Constructed Household Variables		Activity Five Years Ago Variables
	1970 Neighborhood Variables		Disability Variables
			Veteran Status Variables
			Place of Work and Travel Time Variables
			Other Variables
			1910 Linking Variables

IPUMS Data Quality Flags Description

IPUMS Variables Quick Reference

U

Variable Name	Variable Description	Rec	Variable Description	Codes and Frequencies	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
UCLASSWK	Usual class of worker	P	Desc	Codes	.	.	.	.	.	.	.	SL	.	.	.	.	.
UHF	UHF-equipped television set	H	Desc	Codes	.	.	.	.	.	.	.	.	.	.	F1	.	.
UHRSWORK	Usual hours worked per week	P	Desc		.	.	.	.	.	.	.	.	.	.	.	X	X
UIND	Usual industry	P	Desc		.	.	.	.	.	.	.	SL	.	.	.	.	.
UNITSADD	Units at address	H	Desc	Codes	.	.	.	.	.	.	.	.	.	.	X	X	.
UNITSSTR	Units in structure	H	Desc	Codes	.	.	.	.	.	.	.	.	.	X	X	X	X
UOCC	Usual occupation	P	Desc		.	.	.	.	.	.	.	SL	.	.	.	.	.
UOCC95	Usual occupation, 1950 basis	P	Desc		.	.	.	.	.	.	.	SL	.	.	.	.	.
URBAN	Urban/rural status	H	Desc	Codes	X	X	X	X	X	X	X	.	.	X	S	UR	X
URBAREA	Urbanized area	H	Desc		X	X	X	X	.	X	X	.	.	.	.	UR	.
URBSIZE	Size of urbanized area	H	Desc	Codes	.	.	.	.	.	.	.	.	.	.	N	.	.
URBTYPE	Area type, 1980	H	Desc	Codes	.	.	.	.	.	.	.	.	.	.	.	UR	.

V

Variable Name	Variable Description	Rec	Variable Description	Codes and Frequencies	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
VACANCY	Vacancy status	H	Desc	Codes	.	.	.	.	.	.	.	.	.	.	X	X	X
VACBOARD	Boarded-up status	H	Desc	Codes	.	.	.	.	.	.	.	.	.	.	.	X	X
VACDUR	Duration of vacancy	H	Desc	Codes	.	.	.	.	.	.	.	.	.	.	X	X	X
VACELSE	Vacant, usual home elsewhere	H	Desc	Codes	.	.	.	.	.	.	.	.	.	.	.	X	X
VALUE	House or property value	H	Desc	Codes	.	.	.	.	.	.	.	X	.	X	X	X	X
VEHICLES	Vehicles available	H	Desc	Codes	.	.	.	.	.	.	.	.	.	.	.	.	X
VERIFY	Verified data record	H	Desc	Codes	X	X	X	X	.	.	X	X	X	.	.	.	.
VET1940	Veteran status, 1940	P	Desc	Codes	.	.	.	.	.	.	.	SL	.	.	.	.	.
VET55X64	Veteran, served 1955 to 1964	P	Desc	Codes	.	.	.	.	.	.	.	.	.	.	.	X	X
VET75X80	Veteran, served 1975 to 1980	P	Desc	Codes	.	.	.	.	.	.	.	.	.	.	.	X	X
VET80X90	Veteran, served 1980 to 1990	P	Desc	Codes	.	.	.	.	.	.	.	.	.	.	.	.	X
VETCHILD	Mortality status of veteran father	P	Desc	Codes	.	.	.	.	.	.	.	SL	.	.	.	.	.
VETCIVWR	Veteran of civil war	P	Desc	Codes	.	.	.	.	.	X	.	.	.	.	.	.	.
VETKOREA	Veteran, served Korean conflict era	P	Desc	Codes	.	.	.	.	.	.	.	.	.	X	F2	X	X
VETOTHER	Veteran of other period	P	Desc	Codes	.	.	.	.	.	.	.	.	SL	X	F2	X	X
VETPER	Period of veteran's service, 1940	P	Desc	Codes	.	.	.	.	.	.	.	SL	.	.	.	.	.
VETSTAT	Veteran status	P	Desc	Codes	.	.	.	.	.	.	.	SL	SL	X	F2	X	X
VETVIETN	Veteran, served Vietnam era	P	Desc	Codes	.	.	.	.	.	.	.	.	.	.	F2	X	X
VETWWI	Veteran, served WWI era	P	Desc	Codes	.	.	.	.	.	.	.	SL	SL	X	F2	X	.
VETWWII	Veteran, served WWII era	P	Desc	Codes	.	.	.	.	.	.	.	.	SL	X	F2	X	X
VETYRS	Years of active-duty military service	P	Desc		.	.	.	.	.	.	.	.	.	.	.	.	X
VOTE	Denied the vote	P	Desc	Codes	.	.	X	.	.	.	.	.	.	.	.	.	.

W

Variable Name	Variable Description	Rec	Variable Description	Codes and Frequencies	1850	1860	1870	1880	1900	1910	1920	1940	1950	1960	1970	1980	1990
WARD	Ward	H	Desc		.	.	.	.	X	X	X	.	.	.	.	.	.
WASHER	Clothes washing machine	H	Desc	Codes	.	.	.	.	.	.	.	.	.	X	F1	.	.
WATERSRC	Source of water	H	Desc	Codes	.	.	.	.	.	.	.	.	.	X	F2	X	X
WIDOW	Marriage ended by death	P	Desc	Codes	.	.	.	.	.	.	.	.	.	.	F1	X	.
WIFENO	Wife number	P	Desc		.	.	.	.	.	X	.	.	.	.	.	.	.
WIFLKREA	Reason for wife link	P	Desc	Codes	.	.	.	.	.	X	.	.	.	.	.	.	.
WIFLNKWT	Weight of wife link	P	Desc		.	.	.	.	.	X	.	.	.	.	.	.	.
WKSUNEMP	Weeks unemployed last year	P	Desc		.	.	.	.	.	X	.	.	.	.	.	X	.
WKSWORK1	Weeks worked last year	P	Desc		.	.	.	.	.	.	.	X	SL	.	.	X	X
WKSWORK2	Weeks worked last year, intervalled	P	Desc	Codes	.	.	.	.	.	.	.	X	SL	X	X	X	X
WORK5YR	Working 5 years ago	P	Desc	Codes	.	.	.	.	.	.	.	.	.	.	X	X	.
WORKEDYR	Worked last year	P	Desc	Codes	.	.	.	.	.	.	.	.	.	X	X	X	X

Y

Variable Name

Variable Description

Rec

Variable
Description

Codes and
Frequencies

1850

1860

1870

1880

1900

1910

1920

1940

1950

1960

1970

1980

1990

YEAR

Census year

H

X

X

X

X

X

X

X

X

X

X

X

X

X

YEAR

Census year

P

X

X

X

X

X

X

X

X

X

X

X

X

X

YNGCH

Age of youngest own child in household

P

X

X

X

X

X

X

X

X

X

X

X

X

X

YRIMMIG

Year of immigration

P

.

.

.

.

X

X

X

.

.

.

F1

X

X

YRLASTWK

Year last worked

P

.

.

.

.

.

.

.

.

.

X

X

X

X

YRNATUR

Year naturalized

P

.

.

.

.

.

.

X

.

.

.

.

.

.

YRSUSA1

Years in the United States

P

.

.

.

.

X

X

X

.

.

.

.

.

.

YRSUSA2

Years in the United States

P

.

.

.

.

X

X

X

.

.

.

F1

X

X

Availability Key

All Years

1940 and 1950

1970

1980

1990

X

=

Available in all samples in this year

SL

=

Available only for sample-line persons

F1

=

Form 1 samples (5%)

S

=

State sample ("A" or 5% state)

S

=

State sample, Flat sample (5% state)

.

=

Not available in this year

F2

=

Form 2 samples (15%)

M

=

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

M

=

Metro sample (1% metro)

S

=

State sample

UR

=

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

E

=

Elderly sample

M

=

Metro samples (county group)

N

=

Neighborhood samples