Objective: To study familial and nonfamilial environmental influences on attention problems and attention-deficit/hyperactivity disorder (ADHD) in monozygotic twins discordant and concordant-high and low for these traits. Method: Ninety-five twin pairs from The Netherlands Twin Register were selected. Longitudinal survey data were collected at 1,…

Objective: To assess the association between bullying behavior and depression, suicidal ideation, and suicide attempts among adolescents. Method: A self-report survey was completed by 9th-through 12th-grade students (n = 2342) in six New York State high schools from 2002 through 2004. Regression analyses were conducted to examine the association…

Objective: This national study examined the practices and perceptions of smoking cessation activities among child and adolescent psychiatrists. Method: A random sample of child and adolescent psychiatrists was identified from the membership list of the American Academy of Child and Adolescent Psychiatry and was mailed a valid and reliable 34-item…

Objectives: To describe the incidence and clinical features of children presenting to Australian child health specialists with conversion disorder. Method: Active, national surveillance of conversion disorder in children younger than 16 years of age during 2002 and 2003. Results: A total of 194 children were reported on. The average age was 11.8…

Objective: This report provides descriptive longitudinal findings over three waves of a study designed to assess the development of antisocial behaviors in young and early adolescent Puerto Rican children at two sites. Method: Through the use of standard assessment measures, representative samples of Puerto Rican children of both genders 5 to 13…

Objective: To examine the use and impact of a dedicated health information Web site for adolescents. Method: Five hundred fifty-eight (27.2%) of all students in grades 7 through 12 from 4 schools logged onto the Web site; 1775 (86.4%) of all students in these grades completed a year-end health survey, with 455 (81.5%) of the students who used the…

This practice parameter reviews the literature on the assessment and treatment of children and adolescents with bipolar disorder. The parameter focuses primarily on bipolar 1 disorder because that is the type most often studied in juveniles. The presentation of bipolar disorder in youth, especially children, is often considered atypical compared…

Oppositional defiant disorder (ODD) is a common clinical problem in children and adolescents. Oppositionality and associated types of aggressive behavior are among the most common referral problems in child psychiatry. Grouped among the disruptive behavior disorders, ODD is frequently comorbid with other psychiatric conditions and often precedes…

Objective: To examine predictors of school dropout and adolescent sexual behavior in offspring of depressed and nondepressed mothers. Possible moderators of the relation between maternal depression and these outcomes also were explored. Method: Participants were 240 mothers and adolescents assessed annually from 6th through 12th grade. Interviews…

Objective: Disruptive behavior disorder (DBD) is a well-known risk factor for substance abuse and delinquent behavior in adolescence. Therefore, the long-term preventive effects of treatment of DBD in middle childhood on beginning substance use and delinquency in early adolescence were investigated. Method: Children with DBD (8-13 years old) had…

Objective: To assess psychiatric status after meningococcal disease. Method: Cohort study of 66 children (34 boys, 32 girls) ages 4 to 17 years admitted to pediatric hospitals with meningococcal disease. The main outcome measure was psychiatric disorder (1-year period and point prevalence on the Schedule for Affective Disorders and Schizophrenia…

Objective: To examine psychiatric morbidity and functional impairment of adolescents with and without poor reading skills during mid- to late adolescence. Method: The sample consisted of 188 adolescents, 94 with poor reading skills and 94 with typical reading skills, screened from a larger sample in the public schools at age 15. To assess…

Objective: To examine differences in risk factors and comorbid conditions for oppositional defiant disorder (ODD) symptom groups in a sample of 248 elementary schoolboys (ages 6-10) recruited from 1994 to 1996. Method: The boys and their mothers received multiple assessments of cognitive, behavioral, academic, and family functioning, including a…

Objective: A quality-improvement study evaluated the feasibility of training mental health providers to provide mental health screening and relationship-based intervention to expand services for children 0 to 5 years of age in eight California county mental health systems from November 2002 to June 2003. State-level training was provided to more…

Objective: Controversy abounds regarding the process by which child sexual abuse victims disclose their experiences, particularly the extent to which and the reasons why some children, once having disclosed abuse, later recant their allegations. This study examined the prevalence and predictors of recantation among 2- to 17-year-old child sexual…