Version Date: Jun 8, 2018 View help for published
Principal Investigator(s): View help for Principal Investigator(s)
Linda A. Teplin, Feinberg School of Medicine
Series:
https://doi.org/10.3886/ICPSR36629.v2
Version V2 (see more versions)
This study contains data from the second follow-up interview of the Northwestern Juvenile Project (NJP), a longitudinal assessment of alcohol, drug, or mental service treatment needs of juvenile detainees. This second follow-up occurred approximately 3.5 years after the baseline interview and focused on the development and persistence of psychiatric disorders, related predictive variables, patterns of drug use, and other risky behaviors.
The project's aims included studying (1) development and persistence of alcohol, drug, and mental disorders and (2) pathways and patterns of risky behaviors. Researchers studied changes in disorders over time (including onset, remission, and recurrence), comorbidity, associated functional impairments, and the risk and protective factors related to these disorders and impairments. The NJP addressed the patterns and sequences of the development of drug use and related variables, focusing on gender differences, racial/ethnic differences, the antecedents of these risky behaviors (risk and protective factors), and how these behaviors are interrelated.
The original sample included 1829 randomly selected youth, 1172 males and 657 females, then 10 to 18 years old, enrolled in the study as they entered the Cook County Juvenile Temporary Detention Center from 1995 to 1998. Among the sample were 1,005 African Americans, 524 Hispanics, 296 non-Hispanic white respondents. A random subsample of 997 of the baseline participants were chosen for second follow-up interviews. Researchers tracked participants from the time they left detention and re-interviewed them regardless of where they were living when their follow-up interview was due: in the community, correctional settings, or by telephone if they lived farther than two hours from Chicago.
The study was funded by OJJDP, several institutes at the National Institutes of Health, and other federal agencies and private foundations. The National Institutes of Health funded an additional component on HIV/AIDS risk behaviors.
Export Citation:
Cook County, Illinois
Access to these data is restricted. Users interested in obtaining these data must complete a Restricted Data Use Agreement. Data are provided via ICPSR's Virtual Data Enclave (VDE). Apply for access to these data through the ICPSR VDE portal. Information and instructions are available within the data portal. For further assistance please reference the VDE Guide to learn about the application process, about using the VDE, and how to request disclosure review of VDE output.
Included in this release are two zip files containing multiple text files to accompany the DIS DX (da36629-00012) and DISC DX (da36629-0014) data files. The text files provide a detailed description of criteria used for diagnosis and SAS code used for the Principal Investigator to calculate analysis variables.
The project's aims included studying (1) development and persistence of alcohol, drug, and mental disorders and (2) pathways and patterns of risky behaviors. Researchers studied changes in disorders over time (including onset, remission, and recurrence), comorbidity, associated functional impairments, and the risk and protective factors related to these disorders and impairments. The NJP addressed the patterns and sequences of the development of drug use and related variables, focusing on gender differences, racial/ethnic differences, the antecedents of these risky behaviors (risk and protective factors), and how these behaviors are interrelated.
Data from the baseline interview were deposited with the National Addiction and HIV Data Archive Program at the Inter-University Consortium for Political and Social Research (ICPSR). Data from the first follow-up (conducted approximately three years after the baseline) were deposited with ICPSR's National Archive of Criminal Justice Data.
A random subsample of participants was scheduled for a second follow-up interview approximately 3.5 years after their baseline interview (Follow-up 2). Participants were tracked until they were found for an interview, withdrew, or were known to have died. Some participants who were difficult to locate received their follow-up interviews substantially later than the planned interview dates.
Follow-up interviews were conducted face-to-face wherever the participant was living--in the community or in any correctional facility in Illinois--at the time their interview was due. However, community interviews were conducted by telephone if the participant lived more than 2 hours away. Diagnostic modules were administered via pencil and paper interviewing (PAPI) or computer assisted personal interviewing (CAPI). Non-diagnostic modules were administered via PAPI.
Males and females aged 10 to 18 years were randomly sampled at intake into the Cook County Juvenile Temporary Detention Center (CCJTDC) from November 1995 through June 1998. The sample was stratified by gender, race/ethnicity (African American, non-Hispanic White, Hispanic, other), age (males only, aged 10 to 13 years or 14 years and older), and legal status (males only, processed as a juvenile or as an adult). There were a total of 13 strata:
Detainees were eligible to be sampled regardless of their psychiatric morbidity, state of drug or alcohol intoxication, or fitness to stand trial. Within each stratum, the project used a random-numbers table to select names from Cook County Juvenile Temporary Detention Center's intake log. The final sampling fractions ranged from 0.018 to 0.689.
Researchers conducted the first follow-up approximately three years after the baseline with the full sample. The second follow-up was conducted approximately 3.5 years after the baseline with a random subsample.
Male and female juvenile detainees, ages 10 to 18, in the Cook County (IL) Juvenile Temporary Detention Center (CCJTDC) between November 1995 and June 1998. All detainees younger than 17 years are held at CCJTDC, including youths processed as adults (automatic transfers to adult court). Youths may be detained in the CCJTDC until they are 21 years of age if they are being prosecuted for an arrest that occurred when they were younger than 17 years.
The Northwestern Juvenile Project Follow-Up 2 contains 24 parts consisting of the following variables:
By 6 years after their baseline interview, 918 participants had received a follow-up 2 interview. Twenty-four participants received follow-up 2 interviews more than 6 years after their baseline interview. Other reasons for nonresponse at follow-up 2 were: died before the 6-year cut-off (n=11); withdrew from the study (n=13); and could not be located (n=31).
Child Adolescent Functional Assessment Scale-Youth and Young Adult (CAFAS)
Child and Adolescent Services Assessment-Modified (CASA)
Child and Family Assessment (CFA)
Children's Global Assessment Scale (CGAS)
Diagnostic Interview Schedule (DIS)
Diagnostic Interview Schedule for Children (DISC)
Risk Behavior Assessment Profile (RBAP)
Kaufman Short Neurological Assessment Procedure (KSNAP)
Wide Range Achievement Test (WRAT)
Hide2016-11-14
2018-06-08 Added dataset 24 and corresponding codebook. Added supplemental documentation. Updated the User Guide.
2018-02-15 The citation of this study may have changed due to the new version control system that has been implemented. The previous citation was:2017-07-13 Variable labels were modified to conform to consistency standards across all NJP follow-up studies.
2016-12-08 Updated documentation and data files.
2016-11-14 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:
Follow-up weights are sampling weights augmented with adjustments for nonresponse (e.g., withdrew, died) at the follow-up. Sampling weights and normalized sampling weights are also provided in dataset da36629-0001.
HideThe public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.
One or more files in this data collection have special restrictions. Restricted data files are not available for direct download from the website; click on the Restricted Data button to learn more.
This dataset is maintained and distributed by the National Archive of Criminal Justice Data (NACJD), the criminal justice archive within ICPSR. NACJD is primarily sponsored by three agencies within the U.S. Department of Justice: the Bureau of Justice Statistics, the National Institute of Justice, and the Office of Juvenile Justice and Delinquency Prevention.