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Conducted periodically, the survey provides information on individual characteristics of jail inmates, current offenses and detention status, characteristics of victims, criminal histories, family background, gun possession and use, prior drug and alcohol use and treatment, medical and mental health history and treatment, vocational programs and other services provided while in jails, as well as other personal characteristics. Data are collected through personal interviews with a nationally representative sample of inmates in local jails. The survey utilized a two-stage sample design in which jails were selected in the first stage and inmates within local jails were selected in the second stage.
On This Page |
Collection Period |
Questionnaires |
Survey of Inmates in Local Jails | ||
2002 PDF (957K) | 1996 PDF (886K) |
Documentation |
Methodology |
The sample for the 2002 survey was selected from the universe of all jails in the U.S., which were enumerated in the 1999 Census of Jails.The sample design was a stratified two-stage selection, in which jails were selected in the first stage and inmates to be interviewed were selected in the second stage. In the first sampling stage, six separate strata were formed based on the size of the male, female, and juveniles populations in each jail. In strata one and two, all jails were selected to ensure jails with large numbers of males, females or juveniles had a higher probability of selection than jails with a small inmate population. The weighting procedure consisted of a base weight for each inmate, and four adjustment factors that produced the final weight for the survey. Data were collected through face-to-face interviews with jail inmates using computer-assisted personal interviewing.
Changes Over Time |
Periodically, changes are made to the questionnaires to improve measurement and to collect new information on evolving issues in criminal justice, and topics of greatest interest to the field and data users. Recent modifications include enhanced questions on medical and mental health histories of inmates. In 2002, the sample design was modified to ensure a representative sample of juveniles being held in local jails.
Publications & Products |
Medical Problems of Jail Inmates Presents findings on jail inmates who reported a current medical problem, a physical or mental impairment, or an injury since admission based on data from the 2002 Survey of Inmates in Local Jails. | |
Press Release | PDF (280K) | ASCII file (25K) | Spreadsheet (Zip format 21K) | To order paper version |
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Substance Dependence, Abuse, and Treatment of Jail Inmates, 2002 Presents data from the 2002 Survey of Inmates in Local Jails on inmates' prior use, dependence, and abuse of alcohol and illegal drugs and provides data on types of substance abuse treatment or other programs reported by jail inmates. | |
PDF (211K) | ASCII file (35K) | ZIP Format (Spreadsheet 19K) | To order paper version |
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Selected characteristics of jail inmates, by conviction status, 2002 and 1996 Table 1 of Profile of Jail Inmates, 2002 | |
Download CSV file (Spreadsheet 3 KB) |
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Convicted jail inmates using drugs or alcohol at the time of the offense, by characteristics of inmates, 2002 and 1996 Table 13 of Profile of Jail Inmates, 2002 | |
Download CSV file (Spreadsheet 2 KB) |
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Substance abuse treatment of jail inmates who used alcohol or drugs, 2002 and 1996 Table 14 of Profile of Jail Inmates, 2002 | |
Download CSV file (Spreadsheet 2 KB) |
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Prior drug use of jail inmates, by type of drug, 2002 and 1996 Table 12 of Profile of Jail Inmates, 2002 | |
Download CSV file (Spreadsheet 2 KB) |
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Prior alcohol use of jail inmates, 2002 and 1996 Table 11 of Profile of Jail Inmates, 2002 | |
Download CSV file (Spreadsheet 2 KB) |
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Number of prior sentences to probation or incarceration for jail inmates, 2002 and 1996 Table 8 of Profile of Jail Inmates, 2002 | |
Spreadsheet (2 KB) |
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Most serious offense of jail inmates, by gender, race, and Hispanic origin, in 2002 Table 4 of Profile of Jail Inmates, 2002 | |
Download CSV file (Spreadsheet 3 KB) |
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Most serious offense of jail inmates, 2002 and 1996 Table 3 of Profile of Jail Inmates, 2002 | |
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Related Topics |