title: Diagnostic continuity between child and adolescent ADHD: findings from a longitudinal clinical sample.
abstract: OBJECTIVE
  To determine whether there are differences in the clinical expression and correlates of attention-deficit hyperactivity disorder (ADHD) between children and adolescents.
  
  
  METHODS
  Subjects were 6- to 17-year old Caucasian, non-Hispanic boys with and without ADHD. DSM-III-R structured diagnostic interviews, psychometric measures, and blind raters assessed psychiatric diagnoses, intellectual performance, social disability, school failure, and family functioning.
  
  
  RESULTS
  Children and adolescents with ADHD had an almost identical pattern of correlates in multiple domains of assessment including psychosocial adversity and comorbidity with conduct, mood, and anxiety disorders. Although the rate of substance abuse differed in comparison between child and adolescent subjects, this was independent of ADHD status.
  
  
  CONCLUSIONS
  These findings document the diagnostic continuity of ADHD between childhood and adolescence and support the inclusion of adolescent samples in ADHD research protocols.
authors.affiliation: Pediatric Psychopharmacology Unit, Massachusetts General Hospital, Boston 02114, USA.
authors.forename: J
authors.initials: J
authors.lastname: Biederman
authors.forename: S V
authors.initials: SV
authors.lastname: Faraone
authors.forename: A
authors.initials: A
authors.lastname: Taylor
authors.forename: M
authors.initials: M
authors.lastname: Sienna
authors.forename: S
authors.initials: S
authors.lastname: Williamson
authors.forename: C
authors.initials: C
authors.lastname: Fine
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001289:Attention Deficit Disorder with Hyperactivity / Q000145:classification / Q000175:diagnosis* / Q000523:psychology; D002648:Child; D002653:Child Behavior Disorders / Q000145:classification / Q000175:diagnosis / Q000523:psychology; D015897:Comorbidity; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D010552:Personality Assessment / Q000706:statistics & numerical data; D011569:Psychiatric Status Rating Scales / Q000706:statistics & numerical data; D011594:Psychometrics; D015203:Reproducibility of Results