Table 1.
Demographic and clinical measures in participants with bipolar (I and II) and major depressive disorder with an epidsode of depression at intake
| Major depressive disorder (n = 476) |
Bipolar disorder (n = 335) |
|
|---|---|---|
| Age, mean (s.d.) | ||
| At intake | 39.5 (14.8) | 36.3 (13.2) |
| At onset |
27.3 (13.4) |
22.5 (9.3) |
| Years of follow-up, mean (s.d.) |
15.8 (8.6) |
18.0 (8.1) |
| Anxiety measures, mean (s.d.) | ||
| Worrying | 4.2 (1.3) | 4.0 (1.4) |
| Phobic concerns | 2.1 (1.3) | 2.2 (1.4) |
| Obsessions/compulsions | 1.5 (0.9) | 1.6 (1.1) |
| Psychic anxiety | 3.8 (1.4) | 3.8 (1.5) |
| Somatic anxiety | 3.2 (1.6) | 3.0 (1.5) |
| Depersonalisation | 1.7 (1.3) | 1.9 (1.5) |
| Somatic preoccupation |
2.1 (1.5) |
2.0 (1.4) |
| Gender, female: n (%) |
283 (59.6) |
204 (60.7) |
| Panic attacks, n (%) |
155 (32.6) |
99 (29.5) |
| Lifetime diagnosis, anxiety disorder: n (%) | ||
| Panic | 24 (5.1) | 16 (4.8) |
| Generalised anxiety disorder | 33 (6.9) | 19 (5.7) |
| Obsessive–compulsive disorder | 9 (1.9) | 9 (2.7) |
| Phobic disorder | 36 (7.6) | 20 (6.0) |
| Any anxiety disorder |
80 (16.8) |
50 (14.9) |
| Lifetime diagnoses, other: n (%) | ||
| Antisocial personality | 11 (2.3) | 6 (1.8) |
| Alcoholism | 128 (26.9) | 90 (26.8) |
| Drug dependence | 30 (6.3) | 33 (9.8) |