Poor school bonding and delinquency over time: bidirectional effects and sex differences.

The association between poor school bonding and delinquency has only been partly addressed in earlier research. Using a longitudinal design, the objective of our study was to investigate possible bidirectional effects and sex differences between adolescents' experienced school bonding and self-rated delinquency over time. A total of 788 adolescents (353 boys and 435 girls) were investigated by questionnaire at age 14 and 16.

Romantic relationships and delinquent behaviour in adolescence: the moderating role of delinquency propensity.

There is some evidence that adolescent romantic involvement is associated with delinquent behaviour. One aim of this longitudinal study was to determine whether this holds for romantic relationships deemed important by the participants. A second aim was to test whether this association was stronger for adolescents with pre-existing delinquent behaviour and personality traits of impulsivity and thrill seeking (delinquency propensity).

Alcohol use and patterns of delinquent behaviour in male and female adolescents.

Aims: The overall aim was to study patterns of delinquent behaviour in relation to adolescent alcohol use. The more specific aims were to examine whether alcohol use varied between groups of adolescents with different patterns of delinquent behaviour, and to explore whether the association between delinquent behaviour patterns and alcohol use was similar for males and females.

Methods: The participants were male (n = 406) and female (n = 532) adolescents in the eighth grade (age 14 years) in a medium-sized city of Sweden.

Childhood behaviour as related to subsequent drinking offences and violent offending: a prospective study of 11- to 14-year-old youths into their fourth decade.

Background: Childhood hyperactivity has previously been found to be closely connected to subsequent alcohol problems and violent offending among men considered to be without major mental disorders. For others, these associations might be moderated or confounded by other factors, predominantly comorbid conduct disorder.

Aims: The purpose of the study was to investigate aspects of childhood hyperactive behaviour in relation to alcohol or violent offences in adult life, taking the possible confounders of early criminality and aggressive behaviour into account.