The following data items are available for the census tract in which the mothers and fathers lived at each interview:
Demographics of census tract population
- percent of tract that is different racial ethnic groups (e.g., white, black, hispanic)
- percent of tract that is foreign born
- percent of females in tract that are of childbearing age (15-49)
- percent of family HHs with kids < 18 headed by females
- mean number of persons per HH
Education of census tract population
- percent of 16-19 year olds in tract that are enrolled in school
- percent of 25+ population in tract with H.S. or higher education
- percent of 25+ population in tract with bachelor's degree or higher
Employment of census tract population
- percent of civilian labor force (16+) that are employed
- percent of civilian labor force (16+) that are unemployed
Housing conditions and rent
- percent of housing units vacant
- percent of housing units built before 1940
- percent of occupied housing units renter occupied
- percent of occupied housing units without phone service
- percent of occupied housing units lacking complete plumbing
- median gross rent as percent of HH income
- median monthly gross rent
- median housing value
- median year housing structure built
Income and public assistance
- percent of households on public assistance
- percent of families below poverty level
- percent of families with income... <$10,000; $10,000 to $14,999; $15,000 to $24,999; $25,000 to $34,000; $35,000 to $49,999; $50,000 to $74,999; $75,000 to $99,999; $100,000 to $149,999; $150,000 and higher.
- median HH income
- percent of persons with income X relative to poverty line ... less than .50; .50 to .74; .75 to .99; 1.00 to 1.24; 1.25 to 1.49; 1.50 to 1.74; 1.75 to 1.84 1.85 to 1.99; 2.00 and higher.
These variables are available for families in which we could determine their residence. A unique pseudo-tract identifier is available for respondents’ residence and is consistent across waves. This identifier allows researchers to identify clustering of respondents within census tracts and the change of a respondent’s census tract residence across waves. The identifier does not allow researchers to identify respondents’ actual census tracts of residence. Additionally, some random noise has been introduced into the data to ensure that respondents' census tracts cannot be identified on the basis of the characteristics provided in this file. This noise should have no impact on analyses.
Note: Due to the sampling design of the study, there is only a small to moderate amount of respondent clustering within census tracts at any given wave. The following table shows the number of respondents whose residence was determined and the number of unique tracts.
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