Table 2.
Lifetime psychiatric diagnoses in parents
| BO n=29 | NBO n=28 | Statistics | p-value | |
|---|---|---|---|---|
| BD-I | 23 | 0 | χ2(1)=37.2 | p<0.001 |
| BD-II | 6 | 0 | χ2(1)=6.5 | p=0.01 |
| BD-NOS | 0 | 0 | ||
| Major depressive disorder/Depressive disorder NOS | 1 | 20 | χ2(1)=28.3 | p<0.001 |
| Generalized Anxiety | 16 | 8 | χ2(1)=4.1 | p=0.04 |
| Disorder/Anxiety disorders NOS Phobias | 21 | 14 | χ2(1)<3.0 | ns |
| Alcohol/Drug abuse/dependence | 23 | 13 | χ2(1)=6.6 | p=0.01 |
| Post-traumatic stress disorder | 12 | 4 | χ2(1)=5.2 | p=0.02 |
| Panic disorder | 16 | 6 | χ2(1)=6.8 | p<0.01 |
| Eating disorder | 4 | 1 | χ2(1)=1.8 | ns |
| Obsessive-compulsive disorder | 10 | 0 | χ2(1)=11.7 | p<0.001 |
| Attention deficit hyperactivity disorder | 4 | 2 | χ2(1)<1 | ns |
Note: Standard deviations (SD) are reported in parentheses. BO – youth offspring of parents with bipolar disorder; NBO – youth offspring of parents with non-bipolar psychopathology; BD – bipolar disorderl MDD – major depressive disorder; na – not applicable; ns – not significant.