The process for requesting access to geographic variables in the "original cohorts" of the National Longitudinal Surveys (Older Men, Young Men, Mature Women, Young Women) differs from the process for the NLSY79, NLSY79 Young Adult, and NLSY97. Data for the NLS original cohorts were collected by the Census Bureau. The process for requesting access to geographic variables that are not available on the public-use files for the NLS original cohorts involves review at both the Census Bureau and BLS. The public-use files for all of the original cohorts include variables indicating South/non-South residence. Other geographic variables are available for researchers to use, but only at the Census Research Data Centers that have been established in several locations around the country.
For the NLS of Older Men and the NLS of Young Men, variables are available on the State and county of residence in each round of the surveys. A variable also is available on the Primary Sampling Unit from which the samples were selected in the first round of the surveys in 1966.
For the NLS of Mature Women and the NLS of Young Women, many more geographic variables are available. These variables include State, county, census tract and block, and latitude and longitude of residence in each round of the surveys. Variables are available on whether a respondent moved to a different address from one round of the survey to the next. A variable also is available on the Primary Sampling Unit from which the samples were selected in the first round of the surveys in 1967 (Mature Women) and 1968 (Young Women). In addition, variables are available on the names and locations of colleges and universities that respondents attended.
The process established by BLS and the Census Bureau to request access to geographic variables from the NLS original cohorts includes two main steps:
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Last Modified Date: November 20, 2006