This study indicates that awareness of trauma is important in understanding individual differences in bipolar presentations. The theoretical and clinical implications of evidence that trauma is related to more adverse outcomes in BD are discussed. The finding that interpersonal difficulties mediate the relationship between trauma and BD severity is novel. The need for adjunctive evidence-based treatments targeting interpersonal difficulties is considered.

The findings of this study suggest a relationship between early psychosocial adversity and current inter-episode depressive mood in BD. In addition, levels of overgeneral AM are similar to that reported for depression, but are unrelated to childhood trauma, current inter-episode depressive mood, or BD severity. Clinical implications include the importance of routine assessment of trauma in BD and the need for adjunctive evidenced-based psychological therapies.

Objectives. This study explores rates of a history of childhood trauma in adult patients with bipolar disorder and depression and the impact of such trauma and parental bonding patterns on depressive mood and interpersonal functioning at the time of assessment. Methods.A cross-sectional design was used and a sample of 49 participants was recruited from a mental health outpatient service in Northern Ireland. Data were subject to correlations, one-way analysis of variance and hierarchal regression analyses. A cut-off point of r = ± 0.25 was used to select variables for inclusion in the hierarchal regression analyses.Results. High rates of childhood trauma were present in both samples: 74% in bipolar disorder and 82% in depression. Childhood trauma and poor parental bonding (with mother) were significant predictors of higher rates of current inter-episode depressive mood and interpersonal difficulties.Conclusions. This finding adds to the evidence that routine assessment of early childhood experience is likely to prove helpful in clinical care.

This study aimed to explore the reliability of self-reported trauma histories in a population with a diagnosis of Bipolar Disorder using the Childhood Trauma Questionnaire. Previous studies in other populations suggest high reliability of trauma histories over time and it was postulated that a similar high reliability would be demonstrated in this population. Thirty-nine patients with a confirmed diagnosis (DSM-IV criteria) were followed-up and re-administered the Childhood Trauma Questionnaire after 18 months. Cohen's kappa scores and intraclass correlations suggest reasonable test-retest reliability over the 18-month time period of the study for all types of childhood abuse, namely emotional, physical, sexual, and physical abuse and emotional neglect. Intraclass correlations ranged from r = .50 to (sexual abuse) to r = .96 (physical abuse). Cohen's kappas ranged from .44 (sexual abuse) to .76 (physical abuse). Retrospective reports of childhood trauma can be seen as reliable and are in keeping with results found with other mental health populations.

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