Table 1. Participant characteristics.
| - | Bipolar depression | Recurrent major depression | Drug-resistant epilepsy | Non-clinical subjects | ||||
|---|---|---|---|---|---|---|---|---|
| - | N (%) | Mean ± SD | N (%) | Mean ± SD | N (%) | Mean ± SD | N (%) | Mean ± SD |
| Sex | - | - | - | - | - | - | - | - |
| Male | 11 (52.4) | - | 11 (52.4) | - | 11 (52.4) | - | 11 (52.4) | - |
| Female | 10 (47.6) | - | 10 (47.6) | - | 10 (47.6) | - | 10 (47.6) | - |
| Age | - | 54.1 ± 10.9 | - | 53.2 ± 11.7 | - | 47.8 ± 7.8 | - | 53.3 ± 9.6 |
| Education | - | - | - | - | - | - | - | - |
| Primary school | 0 (0.0) | - | 3 (14.3) | - | 0 (0.0) | - | 0 (0.0) | - |
| Junior high school | 6 (28.6) | - | 5 (23.8) | - | 6 (28.6) | - | 3 (14.3) | - |
| Senior high school | 11 (52.4) | - | 12 (57.1) | - | 9 (42.8) | - | 12 (57.1) | - |
| University degree | 4 (19.0) | - | 1 (4.8) | - | 4 (19.0) | - | 6 (28.6) | - |
| Marital status | - | - | - | - | - | - | - | - |
| Unmarried | 5 (23.8) | - | 5 (23.8) | - | 3 (14.3) | - | 3 (14.3) | - |
| Married | 10 (47.6) | - | 8 (38.1) | - | 15 (71.4) | - | 13 (61.9) | - |
| Separated or divorced | 6 (28.6) | - | 6 (28.6) | - | 1 (4.8) | - | 3 (14.3) | - |
| Widowed | 0 (0.0) | - | 2 (9.5) | - | 1 (4.8) | - | 1 (4.8) | - |
| Diagnosis | - | - | - | - | - | - | - | - |
| Bipolar I disorder, current episode depressed | 13 (61.9) | - | - | - | - | - | - | - |
| Bipolar II disorder, current episode depressed | 8 (38.1) | - | - | - | - | - | - | - |
| Major depressive disorder, recurrent episode | - | - | 21 (100.0) | - | - | - | - | |
| Drug-resistant epilepsy | - | - | - | 21 (100.0) | - | - | - | |
| No severe medical or psychiatric illness | - | - | - | - | - | - | 21 (100.0) | - |
| BPRS total score | - | 41.1 ± 9.7 | - | 45.4 ± 10.5 | - | - | - | - |
Numbers may not add to 21 and 100% in each group, respectively, due to a few missing data