| Summary: | 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 Generalized Anxiety Disorder (Primary Caregiver and Young Adult Report on Self) instrument. It was administered to subjects' primary caregivers in Cohorts 0, 3, 6, 9, 12, and 15 and to subjects in Cohort 18. The instrument was adapted from the Anxiety module of the Diagnostic Interview Schedule for Children (DISC 4) and obtained information regarding the primary caregivers' and subjects' worrying and anxiety. It is similar to (PROJECT ON HUMAN DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): GENERALIZED ANXIETY DISORDER (PRIMARY CAREGIVER), WAVE 2, 1997-2000 (ICPSR 13624) and related to PROJECT ON HUMAN DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): GENERALIZED ANXIETY DISORDER (PRIMARY CAREGIVER REPORT ON SUBJECT), WAVE 3, 2000-2002 (ICPSR 13706) and PROJECT ON HUMAN DEVELOPMENT IN CHICAGO NEIGHBORHOODS (PHDCN): GENERALIZED ANXIETY DISORDER (SUBJECT AND YOUNG ADULT), WAVE 3, 2000-2002 (ICPSR 13708). It asked a slightly different but similarly themed set of questions than the set used in 13706 and 13708.
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