Does the Child Behavior Checklist juvenile bipolar disorder phenotype identify bipolar disorder?
Volk HE; Todd RD Doctoral Program in Public Health Studies, Saint Louis University School of Public Health, Saint Louis, Missouri 63110, USA. BACKGROUND: A profile of Child Behavior Checklist(CBCL) T-scores>or=70 on the attention problems, aggression, and anxious/depressed subscales has been proposed to identify juvenile bipolar disorder(JBD). We tested this hypothesis in a population-based sample. METHODS: Data for this analysis come from a birth-records-based twin sample having semi-structured interview and CBCL data (N=1,346). We compared prevalence of DSM-IV psychiatric disorders and suicidal behaviors in CBCL-JBD and non-CBCL-JBD subjects. Twin modeling assessed genetic and environmental contributions to CBCL-JBD. Associations with DRD4 and DAT1 were examined using chi-square tests. RESULTS: The prevalence of CBCL-JBD was 2.5%. No subjects with CBCL-JBD met criteria for bipolar or other mood disorders. CBCL-JBD subjects had more oppositional defiant disorder (ODD), conduct disorde
