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IMPMOM
Imputed location of mother

Description

IMPMOM reports the person number (PERNUM) within the household of the person's probable mother. The variable serves the same function as MOMLOC, but uses IMPREL (Imputed relationship) instead of RELATE (Relationship) to determine the person number of the person's probable mother (if one was found within the same household). For 1850-1870, IMPMOM is the only IPUMS variable for linking children to their mothers. IMPMOM is constructed in identical fashion for 1880 as well, so users can be certain that different linking methods do not affect their results.

See "Family Interrelationships" for more information on IPUMS constructed variables.

Codes

IMPMOM is a constructed 2-digit numeric variable that indicates the person number (PERNUM) within the household of the person's probable mother. The variable serves the same function as MOMLOC, but uses IMPREL (Imputed relationship) instead of RELATE (Relationship) to determine the person number of the person's probable mother (if one was found within the same household). See "Family Interrelationships" for more information on IPUMS constructed variables. IMPMOM specific variable codes for missing, edited, or unidentified observations, observations not applicable (N/A), observations not in universe (NIU), top and bottom value coding, etc. are provided below by Census year (and data sample if specified).

User Note: For 1850-1870, IMPMOM is the only IPUMS variable for linking children to their mothers. IMPMOM is constructed in identical fashion for 1880 as well, so users can be certain that different linking methods do not affect their results.

IMPMOM Specific Variable Codes
00 = No mother of this person present in household.

Comparability

This variable is comparable across years. IMPMOM is also substantively comparable to MOMLOC. Users can compare mother-child links made with IMPREL to those made with RELATE for 1880 -- a year for which both IMPMOM and MOMLOC are available.

Universe

  • 1850-1880: All persons.
  • 1900-1910: Not available in Alaska, Hawaii, or the oversamples of American Indians, African-Americans, and Hispanics (samples 2-4 in SAMP1900; samples 2-4, 6, and 7 in SAMP1910); ; not available in the 1900 2.5% sample; not available for Puerto Rico.
  • 1920: All persons.

Availability

United States
  • 2016: --
  • 2015: --
  • 2014: --
  • 2013: --
  • 2012: --
  • 2011: --
  • 2010: --
  • 2009: --
  • 2008: --
  • 2007: --
  • 2006: --
  • 2005: --
  • 2004: --
  • 2003: --
  • 2002: --
  • 2001: --
  • 2000: --
  • 1990: --
  • 1980: --
  • 1970: --
  • 1960: --
  • 1950: --
  • 1940: --
  • 1930: --
  • 1920: 1%
  • 1910: 1%; 1.4% ovrsmp
  • 1900: 1%; 1.2% ovrsmp
  • 1880: 1%; 10%
  • 1870: All samples
  • 1860: All samples
  • 1850: All samples
Puerto Rico
  • 2016: --
  • 2015: --
  • 2014: --
  • 2013: --
  • 2012: --
  • 2011: --
  • 2010: --
  • 2009: --
  • 2008: --
  • 2007: --
  • 2006: --
  • 2005: --
  • 2000: --
  • 1990: --
  • 1980: --
  • 1970: --
  • 1930: --
  • 1920: --
  • 1910: --

Flags

This variable has no flags.

Editing Procedure

There is no editing procedure available for this variable.