United States Department of Justice. Office of Justice Programs. Bureau of Justice Statistics. Survey of Inmates of State Correctional Facilities, 1991: [United States]. ICPSR06068-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1993. https://doi.org/10.3886/ICPSR06068.v1
Persistent URL: https://doi.org/10.3886/ICPSR06068.v1
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correctional facilities (adults),
Date of Collection:
All adult inmates in the United States housed in
correctional facilities operated by a state government.
The sample design used was a stratified, two-stage
selection. In the first stage, correctional facilities were separated
into two sampling frames: prisons with male inmates and prisons with
female inmates. Prisons holding both sexes were included on both lists
and treated independently in sample selection based on their population
of male or female prisoners as relevant. Within each frame, facilities
were stratified by census region and facility type (confinement and
community-based). The male frame was further stratified by security
level (maximum, medium, minimum, and unclassified). A systematic sample
of prisons was then selected within strata on each frame with
probabilities proportional to the size of each prison. In the second
stage, interviewers visited each selected facility and systematically
selected a sample of male and female inmates using predetermined
procedures, with the selection process allowing for an oversample of
females. In 1991, 272 facilities were selected, yielding a sample size
of 15,011 inmates. A total of 13,986 inmate interviews were completed.
Extent of Processing: ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of
disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major
statistical software formats as well as standard codebooks to accompany the data. In addition to
these procedures, ICPSR performed the following processing steps for this data collection:
Performed consistency checks.
Created online analysis version with question text.
Performed recodes and/or calculated derived variables.
Checked for undocumented or out-of-range codes.