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BACKGROUND: The long-term prognosis associated with adolescent symptoms of borderline personality disorder (BPD) in the general population is virtually unknown. In this study, the relationship of early borderline symptoms to subsequent psychosocial functioning and attainment was investigated based on data from the Children in the Community cohort. METHOD: Using multilevel linear regression, symptoms of BPD at mean age 14 were employed as predictors of work/school/homemaker role function, social function (social support, relationship quality), and life satisfaction over the subsequent 20 years. Borderline symptoms were also employed as predictors of attainment at 20-year follow-up. RESULTS: On average, those with higher levels of early adolescent borderline symptoms scored consistently lower in role function, social function, and life satisfaction from mid-adolescence through mid-adulthood. Borderline symptoms predicted lower academic and occupational attainment, less partner involvement, and fewer attained adult developmental milestones. Adolescent borderline symptoms were also associated with adult borderline symptoms, borderline diagnosis, general impairment, and need for services at mean age 33. These effects were evident despite symptom decline with age and were independent of adolescent Axis I disorders. CONCLUSIONS: Adverse prognosis associated with youth symptoms of BPD appeared early and persisted in important and interrelated life domains. These findings lend support to the utility of DSM-IV BPD symptoms assessed by self-report in early adolescence.
Winograd et al. (Mon,) studied this question.