Project on Human Development in Chicago Neighborhoods: Longitudinal Cohort Study

Study Overview


The purpose of the Project on Human Development in Chicago Neighborhoods (PHDCN) was to examine how families, schools, and neighborhoods affect child and adolescent development. This included understanding the causes and the pathways of juvenile delinquency, adult crime, substance abuse, and violence. The Project had a focus on studying problematic behavior as well as an interest in social competence. The long-term objectives were to create knowledge that would inform violence prevention strategies and help develop better approaches to the promotion of social competence in children from infancy to young adulthood. The Project combined two studies into one comprehensive design. The first study was an intensive study of Chicago's neighborhoods including their social, economic, organizational, political, and cultural structures, and the changes that take place within these structures. This was achieved through data collection efforts at the community level, including a community survey of Chicago residents, interviews with neighborhood experts, systematic social observations involving block by block videotaping, and analyses of school, police, court and other agency records. The second study was a longitudinal cohort study involving seven randomly selected cohorts of children, adolescents, and young adults, looking at the changing circumstances of their lives and the personal characteristics that may lead them towards or away from a variety of antisocial behaviors.

PHDCN is organized as five components: 1) Longitudinal study with an embedded intensive study of infants (Infant Assessment Unit); 2) Community survey; 3) Observational study of neighborhoods; 4) Neighborhood expert survey; and 5) Administrative data. The Longitudinal Cohort Study consists of three waves of data collected over a period of seven years from a sample of children and youth and their primary caregivers. The study involves seven randomly selected cohorts of children, adolescents, and young adults, looking at the changing circumstances of their lives and the personal characteristics that may lead them towards or away from a variety of antisocial behaviors. Questions assessed impulse control and sensation-seeking traits, cognitive and language development, leisure activities, delinquency and substance abuse, friends' activities, and self-perception, attitudes, and values. Caregivers were also interviewed and questions focused on family structure, parent characteristics, parent-child relationships, parent discipline styles, family mental health, and family history of criminal behavior and drug use. Wave 1 also included the Infant Assessment Unit where 412 participants from the longitudinal birth cohort were assessed on each infant's growth and health, cognitive capabilities, and motor skills. Videotaped interactions between these infants and their caregivers are also available. A second wave of data collection with the longitudinal sample was conducted between 1997-1999 and a third wave in 2000-2001.

Study Author(s): 
Sampling Procedures: 

Neighborhoods were operationally defined as 343 clusters of city blocks from Chicago's 847 populated census tracts. Participants were drawn from 80 neighborhood clusters and were selected through in-person screening of 40,000 dwelling units within the identified communities. A total of 8,347 participants were identified. 

Contact and Data Access

1. I will use the dataset solely for statistical analysis and reporting of aggregated information and not for investigation of a specific individual or organization. 2. I will produce no links among the Distributors' datasets or among the Distributor's data and other datasets that could identify individuals or organizations. 3. I represent neither I, nor anyone I know, has any prior knowledge of the possible identification of any study participants in any dataset that I am being licensed to use. 4. I will not knowingly divulge any information that could be used to identify individual participants in the study, nor will I attempt to identify or contact any study participant and I agree to use any precautions necessary to prevent such identification. 5. I will not reproduce the dataset except as it is necessary for scholarly purposes. I will destroy the dataset upon completion of my scholarly work with it. 6. I will not share data from the dataset (in any form or by any means) with any third party, as I understand that all users of the data must obtain it directly from the distributor. 7. I will make appropriate acknowledgement of the contributor and distributor of the dataset in any manuscript or publication. 8. The distributor makes no warranties, express or implied, by operation of law or otherwise regarding or relating to the dataset.
The original collector of the data, SSRI, and the relevant funding agencies, bear no responsibility for the use of the data or for interpretations and inferences based upon such users.

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