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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Probable step/adopted mother (US1990A_STEPMOM)

Data file: USA1990_PHC-P-H.dat

Overview

Type: Discrete

Decimal: 0

Start: 235

End: 235

Width: 1

Range: -

Format: Numeric

Questions and instructions

Categories

Value	Category
0	No stepmother present
1	Improbable age difference
2	Spouse of father
3	Identified stepmother
7	Number of children born/children surviving check

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 indicates whether the person's father lived in the same household and, if so, gives the person number of the father.

Universe

United States 1990: All persons

concept

Concept

var_concept.title	Vocabulary
Constructed Family Interrelationship Variables -- PERSON	IPUMS

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