At that time, youth completed the C-SSAGA-A clinical interview29 (the child version of the Semi-Structured Assessment for the Genetics of Alcoholism, a psychometrically sound, clinical, diagnostic psychiatric interview that assesses 17 axis I psychiatric diagnoses and antisocial personality disorder) and a series of self-report questionnaires.30 All of the youth were contacted for follow-up interviews and testing five years after the initial testing (1998-2003; Time 2; mean age = 21.35 ± 1.43) and again five years after Time 2 (2003-2007; Time 3; mean age = 26.10 ± 1.69). After the completion of data collection, participants received $100 at Time 1 and $150 at Time 2 and Time 3.
