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Project Citation: 

Bailey, Martha. LIFE-M: The Longitudinal, Intergenerational Family Electronic Micro-Database. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2022-02-14. https://doi.org/10.3886/E155186V1

Project Description

Summary:  View help for Summary The LIFE-M project combines of U.S. vital records (birth, marriage, death certificates) with census information into longitudinal and intergenerational micro-data.  Using cutting-edge, machine learning techniques, the resulting dataset consists of four generations and millions of high-quality links for 20th century Americans. 

For more details about the project, check out the website (https://life-m.org/). 

Additionally, these data can be linked to the LIFE-M Ohio Causes of Death Project (
https://doi.org/10.3886/E149841). 

Funding Sources:  View help for Funding Sources California Center for Population Research at UCLA (P2C HD041022); Population Studies Center at the University of Michigan (R24 HD041028, P2C HD041028); National Science Foundation (SMA 1539228); University of Michigan Associate Professor Fund; National Institute on Aging (R21 AG05691201); National Institutes of Health (R01 AG057704-02); Michigan Center for the Demography of Aging (MiCDA, P30 AG012846-21); Michigan Institute on Research and Teaching in Economics (MITRE)

Scope of Project

Subject Terms:  View help for Subject Terms historical linking; intergenerational relations; longitudinal; demography; life course
Geographic Coverage:  View help for Geographic Coverage North Carolina, United States, Ohio
Time Period(s):  View help for Time Period(s) 1820 – 1975 (Born in the 19th and 20th century); 1900 – 2012 (Died in the 20th and early 21st century)
Data Type(s):  View help for Data Type(s) administrative records data; census/enumeration data; other

Methodology

Response Rate:  View help for Response Rate Linkage rates are posted on our website  (https://life-m.org/). 
Sampling:  View help for Sampling The core sample of birth records are from people born in Ohio and North Carolina between 1900 and 1929. See our website (https://life-m.org/) for more information about how records are linked.  
Data Source:  View help for Data Source Birth, marriage, and death records from Ohio and North Carolina. 1880, 1900, 1910, 1920, and 1940 Census data.
Collection Mode(s):  View help for Collection Mode(s) other
Weights:  View help for Weights Please see Bailey, Cole and Massey (2019) for a step-by-step process to create weights for specific subsamples and purposes, which help adjust the samples for under- or over-representation of certain subgroups or characteristics.
Unit(s) of Observation:  View help for Unit(s) of Observation individual

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