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Multilevel Influences on HIV and Substance Use in a YMSM Cohort (RADAR), Chicago Metropolitan Area, 2015-2020 (ICPSR 37603)

Released/updated on: 2025-06-23

Geographic coverage: United States, Chicago, Illinois

Time period: 2015-02-01--2020-12-31

The National Institute on Drug Abuse (NIDA) funded RADAR in 2014 to collect multilevel, longitudinal data and biospecimens from an ethnically and racially diverse cohort of young, sexual and gender minorities (SGM; e.g., men who have sex with men (MSM), transgender women, gender non-conforming individuals) who were assigned male at birth (AMAB) (current core cohort n=1,113). The primary objective of this study is to apply a multilevel perspective to a syndemic of health issues associated with human immunodeficiency virus (HIV) in this population. The multilevel design focuses on individual, dyadic (i.e., sexual and romantic relationships), network (i.e., social, drug, and sexual connections) and biologic factors that may be associated with HIV. The cohort contains both HIV-negative and HIV-positive individuals, which allows for the development of a repository of biospecimens and HIV sequence data from both pre-infection and post-infection visits that will help facilitate future projects evaluating substance use, HIV risk, and pathogenesis.

A multiple cohort, accelerated longitudinal design was utilized by initially enrolling two existing SGM cohorts and then expanded through the use of convenience and snowball sampling methods. Enrollment criteria varied slightly based on the recruitment method, but overall inclusion criteria required participants to be AMAB, between 16 and 29 years of age, report having had sex with a man in the prior year or identify as a SGM, live in the Chicago metropolitan area, and be an English speaker. Study recruitment opened in February 2015. Participants are followed through the developmental period of late adolescence to early adulthood, which is a critical period of initiation and acceleration of sexual behavior and substance use. Study visits occur every six months.

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Project on Human Development in Chicago Neighborhoods (PHDCN): Conflict Tactics Scale for Partner and Spouse, Wave 1, 1994-1997 (ICPSR 13583)

Released/updated on: 2007-09-27

Geographic coverage: United States, Chicago, Illinois

Time period: 1994-01-01--1997-01-01

The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent development. One component of the PHDCN was the Longitudinal Cohort Study, which was a series of coordinated longitudinal studies that followed over 6,000 randomly selected children, adolescents, and young adults, and their primary caregivers over time to examine the changing circumstances of their lives, as well as the personal characteristics, that might lead them toward or away from a variety of antisocial behaviors. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences. One such measure was the Conflict Tactics Scale for Partner and Spouse (CTSP). The CTSP was administered to either the primary caregiver (PC) of subjects belonging to Cohorts 0 to 15, or to the subjects of Cohort 18. It measured both the extent to which partners in a dating, cohabiting, or marital relationship engage in psychological and physical attacks on each other and also their use of reasoning or negotiation to deal with conflicts.

Curated

Project on Human Development in Chicago Neighborhoods (PHDCN): Physical Abuse Scale, Wave 2, 1997-2000 (ICPSR 13642)

Released/updated on: 2006-04-05

Geographic coverage: United States, Chicago, Illinois

Time period: 1997-01-01--2000-01-01

The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent development. One component of the PHDCN was the Longitudinal Cohort Study, which was a series of coordinated longitudinal studies that followed over 6,000 randomly selected children, adolescents, and young adults, and their primary caregivers over time to examine the changing circumstances of their lives, as well as the personal characteristics, that might lead them toward or away from a variety of antisocial behaviors. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences. One such measure was the Physical Abuse Scale (PAS). The PAS was administered to the primary caregiver (PC) of subjects belonging to Cohorts 0-15. It measured the extent to which partners in a dating, cohabiting, or marital relationship engage in physical attacks on each other. This Wave 2 study replaced the Wave 1 partner-spouse version of the Conflict Tactics Scale (PROJECT ON HUMAN DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): CONFLICT TACTICS SCALE FOR PARTNER AND SPOUSE, WAVE 1, 1994-1997 [ICPSR 13583]).