Version 1

audio computer-assisted self interview (ACASI); computer-assisted personal interview (CAPI)For further information please visit the Bureau of Justice Statistics website on the National Inmate Survey (NIS).Data was collected by RTI International under a cooperative agreement with the Bureau of Justice Statistics (BJS).The PDF codebook includes information provided to ICPSR by the Principal Investigator (P.I.) that provides an overview of the study's design and sampling, weighting and nonresponse adjustments, and sample code and output tables from SAS, SUDAAN, R, and Stata.The aforementioned P.I. produced section of the codebook states that the data was to be made available in a public use file. However, after the data was deposited with ICPSR the Bureau of Justice Statistics (BJS) instructed that access to the data be restricted. Based upon the study design and available data BJS restricted access to the data only through ICPSR's physical data enclave. Please see the included User Agreement for further information.The last half of the data file contain derived variables computed by the P.I. based on the survey data. They are listed in alphabetical order. These derived variables offer an additional resource to assist in analyzing the data.