Table 1 Baseline characteristics of the study cohort (N=14) including demographic details, bipolar diagnosis, comorbidities and illness variables, and medication
Category | n (%)/mean (s.d.) |
|---|---|
Demographic characteristics | |
Age at study intake, years, mean (s.d.) | 37.00 (11.82) |
Gender, n (%) | |
Female | 12 (86) |
Male | 2 (14) |
Ethnicity, n (%) | |
White British | 11 (79) |
White other | 3 (21) |
Clinical characteristics | |
Bipolar disorder, n (%) | |
Type 1 | 9 (64) |
Type 2 | 5 (36) |
DSM-5 anxiety specifier, n (%) | |
Mild | 4 (29) |
Moderate | 4 (29) |
Moderate–severe | 6 (43) |
Comorbidity and clinical course, n (%) | |
History of psychosis | 3 (21) |
Current depressive episode | 7 (50) |
Current comorbid anxiety disorder | 9 (64) |
Past comorbid anxiety disorder | 3 (21) |
History of other Axis I disorders | 5 (36) |
Bipolar illness variables, mean (s.d.) | |
Age at illness onset, years | 21.07 (10.48); range: 7–48 |
Number of depressive episodes (past 6 months) | 1.29 (0.83); range: 0–3 |
Duration of depressive episodes (past 6 months) in weeks | 11.67 (6.39); range: 5–20 |
Number of (hypo)manic episodes (past 6 months) | 0.79 (0.89); range: 0–3 |
Duration of (hypo)manic episodes (past 6 months) in weeks | 3.13 (2.03); range 1–6 |
Number of suicide attempts (lifetime) | 0.86 (1.46); range: 0–5 |
Number of hospitalizations (lifetime) | 0.93 (2.37); range: 0–7 |
Number of depressive episodes (lifetime), n (%) | |
0–4 episodes | 4 (29) |
5–9 episodes | 2 (14) |
>10 episodes | 8 (57) |
Medication at screening, n (%) | |
Lithium | 6 (43) |
Anticonvulsants | 5 (36) |
Antipsychotics | 5 (36) |
Antidepressants | 3 (21) |
None | 1 (7) |
