Jennifer Renda

Bullying in early adolescence and its association with anti-social behaviour, criminality and violence 6 and 10 years later.

BACKGROUND Few longitudinal studies have examined the links between engagement in bullying and later anti-social behaviour for both males and females. AIMS This study aimed to examine the association between adolescent bullying behaviour and subsequent anti-social behaviour, among a community sample of Australian males and females. METHODS Regression analysis was used to examine the relationship between bullying perpetration at age 13-14 and anti-social behaviour, criminal violence and contact with police or courts 6 and 10 years later among approximately 800 young adults participating in a 27-year longitudinal study. The analyses controlled for known risk factors for anti-social behaviour at age 13-14 years. RESULTS Moderate significant associations were found between bullying perpetration and subsequent anti-social behaviour. Associations were more powerful for males than females, and for short-term than long-term outcomes. Engagement in bullying remained a significant predictor of later anti-social behaviour and contact with police or courts even after other risk factors were accounted for. CONCLUSIONS These findings suggest that bullying in adolescence may be a marker of risk for a continuing pattern of anti-social behaviour, particularly among young males.

Bullying in Early Adolescence and Antisocial Behavior and Depression Six Years Later: What Are the Protective Factors?

This study identified factors that protected (a) adolescent bullies from becoming antisocial young adults, and (b) adolescent victims of bullying from subsequent depression. Data were drawn from the Australian Temperament Project, a population birth cohort study that has followed participants since 1983. Systematic examination of potential risk modifiers (protective factors) was conducted within a regression framework. Low negative reactivity was found to protect bullies from later antisocial outcomes and higher parental monitoring moderated (ameliorated) the risk relation between bullying and antisocial behavior. High social skills and understanding schoolwork protected victims from later depression, but high attachment to peers intensified the risk relation between victimization and later depression. Preventive interventions targeting interpersonal skills and parent and peer relationships may be effective in reducing adverse outcomes of bullying.