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In order to safeguard the confidentiality of respondents at the highest level, some data are provided only under conditions of a restricted use contract between the researcher and the University of Michigan.

Requirements
	Process for obtaining restricted data
	Active contract holders

Frequently Asked Questions
	Obtaining the data
	Existing contract holders

Main Study
- Geographic Information
  - Geocode Match File
    - File Description
    - Codebook
    - File Documentation
  - Between-Wave Moves File
    - File Description
    - Codebook
    - File Documentation
      - Between-Wave Moves File
  - Employer Geocode Match File
    - File Description
    - Codebook
    - File Documentation
      - Employer Geocode Match File
  - County Level Identifiers
    - File Description
    - Variable list
  - County Born/Grew Up: Head/Reference Person, Wife/Spouse or Partner, and Parents
    - File Description
    - Codebook
  - Childbirth and Adoption History - County Born: Child
    - File Description
    - Codebook
- Administrative Linkages
  - School Identifiers
    - File Description
    - Codebook
  - Assisted Housing
    - File Description
    - Codebook
  - Medicare Claims
    - File Description
    - Technical Paper
  - 1940 Census
    - File Description
    - Technical Paper
- Mortality
- Ethnicity
  - Head/Reference Person and Spouse/Partner
    - File Description
    - Variable list
  - Childbirth and Adoption History: Child
    - File Description
    - Codebook
- Vehicle Make and Model
  - File Description
  - Codebook

Supplemental Studies
- Child Development Supplement
  - School Identifiers
    - File Description
    - Codebook
  - Child Reports of Sensitive Information
    - File Description
    - Codebook
- Transition into Adulthood Supplement
  - School Identifiers
    - File Description
    - Codebook
  - Criminal Justice Exposure
    - File Description
    - Variable list
  - Urbanicity
    - File Description
    - Variable list
  - Ethnicity
    - File Description
    - Variable list
2007 Hurricane Katrina Supplement
- File Description
2013 Family Rosters and Transfers
- Child's Month and Year of Birth
  - File Description
  - Codebook
- Place and Distance Codes
  - File Description
  - Codebook
- Distance Codes
  - File Description
  - Codebook
2014 Childhood Retrospective Circumstances Study
- File Description
- Codebook