1990 Census of Population and Housing - IPUMS Subset

United States, 1990

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Reference ID

USA_1990_PHC_v01_M_v7.5_A_IPUMS

Producer(s)

U.S. Census Bureau, IPUMS

Metadata

Documentation in PDF DDI/XML JSON

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Created on

Sep 03, 2025

Last modified

Sep 03, 2025

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Flag for age of structure (US1990A_QBUILTYR)

Data file: USA1990_PHC-H-H.dat

Overview

Type: Discrete

Decimal: 0

Start: 285

End: 285

Width: 1

Range: -

Format: Numeric

Questions and instructions

Categories

Value	Category
0	Unaltered case
1	Allocated from "unanswered"
2	Allocated from "unknown"

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

Description

Definition

This variable is a data quality flag for BUILTYR (Age of structure).

Universe

United States 1990: All households

concept

Concept

var_concept.title	Vocabulary
Household Imputation Flags Variables -- HOUSEHOLD	IPUMS

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