Table 1 Baseline characteristics of the sample
|  | IBER (n = 28) | TAU (n = 29) | Total (n = 57) |
|---|---|---|---|
Demographics | |||
 Mean age in years (SD) | 46.0 (12,2) | 45.5 (12.8) | 45.7 (12.4) |
 Female (%) | 64.3 | 72.4 | 68.4 |
 White british (%) | 82.1 | 93.1 | 87.7 |
 Age left formal education | 18.1 (3.7) | 17.0 (1.9) | 17.6 (3.0) |
 Currently employed (%) | 50.0 | 55.1 | 52.6 |
Primary diagnosis | |||
 Bipolar I disorder | 53.6 | 44.8 | 49.1 |
 Bipolar II disorder | 46.2 | 55.2 | 50.9 |
Psychiatric history | |||
 Prior psychiatric hospitalization (%) | 64.0 | 65.4 | 64.7 |
 Mean number of prior admissions | 2.1 (1.6) | 4.2 (5.4) | 3.2 (4.1) |
 Mean age at first contact with mental health services | 25.6 (11.3) | 25.3 (11.5) | 25.5 (11.3) |
 Prescribed mood stabilisers (%) | 88.0 | 85.2 | 86.5 |