Skip to main content

Table 3 Prevalence of DSM-IV-TR bipolar diagnosis, co-morbidities, and family history of mood disorder

From: The common bipolar phenotype in young people

  Probable bipolar (N= 21) Threshold bipolar (N= 71) Controls (N= 43) Significance
DSM-IV-TR bipolar I, II, NOS (%) 62 34 0 LR = 39.812, p < 0.001
DSM-IV-TR bipolar I (%) 5 0 0 LR = 3.762, p = 0.152
DSM-IV-TR bipolar II (%) 38 17 0 LR = 20.837, p < 0.001
DSM-IV-TR bipolar NOS (%) 19 17 0 LR = 13.306, p = 0.001
DSM-IV-TR unipolar depression (%) 5 7 7 LR = 0.158, p = 0.924
DSM-IV anxiety disorder (%) 33 13 0 LR = 17.551, p < 0.001
DSM-IV bulimia nervosa (%) 5 3 0 LR = 2.511, p = 0.285
DSM-IV alcohol dependence/abuse (%) 5 10 2 LR = 2.871, p = 0.238
DSM-IV substance dependence/abuse (%) 10 1 0 LR = 5.053, p = 0.080
Family history of mood disordera (%) 75 17 10 LR = 30.164, p < 0.001
Family history of bipolar disordera (%) 20 1 0 LR = 11.637, p = 0.003
  1. Anxiety disorders include generalised anxiety disorder, specific phobia, obsessive-compulsive disorder, social phobia, agoraphobia and panic disorder. LR, likelihood ratio; df = 2 for all chi-square analyses. aProbable bipolar group: total N = 20; threshold bipolar group: total N = 65; controls: total N = 40.