The examination of the data from a sample of 5,302 Finnish children who were born in 1981 finds that bullying at age eight years and later is associated with later suicide attempts and completed suicide for boys but not after controlling for conduct and depression symptoms. For girls, the association is still seen even after controlling for…

Objective: To identify childhood psychiatric symptoms as antecedents of cigarette smoking at age 18. Methods: In 1989, a general population sample of 2946 8-year-old boys born in Finland in 1981 was assessed using the Rutter's parent and teacher questionnaires, and the Child Depression Inventory. This birth cohort was followed up in 1999, when the…

Objective: To study associations between comorbid psychopathology and long-term outcomes in a large birth cohort sample from age 8 to early adulthood. Method: The sample included long-term outcome data on 2,556 Finnish boys born in 1981. The aim was to study the impact of early childhood psychopathology types (externalizing versus internalizing…

Objective: To study childhood predictors for late adolescence criminality. Method: The follow-up sample included 2,713 Finnish boys born in 1981. Information about the 8-year-old boys' problem behavior was obtained from parents, teachers, and the children themselves. The follow-up information about criminal offenses was based on the national…