The Cumulative Effects of Bullying Victimization in Childhood and Adolescence on Borderline Personality Disorder Symptoms in Emerging Adulthood

We examined how bullying victimization across childhood and adolescence was associated with BPD symptoms in emerging adulthood. Participants were drawn from the McMaster Teen Study, representing a community sample. A three-class solution of bullying victimization trajectories was selected from a semi-parametric group-based trajectory analysis (ages 10 to 18, n = 701). Most individuals followed a low decreasing trajectory (71.3%), followed by a …