Table 1.
Descriptive statistics for demographic variables, clinical characteristics, and general cognitive functioning (estimated from the WAIS-III subtests Similarities and Picture Completion) for patients with MDD, MDDA, and healthy comparison subjects.
| MDD (n = 37) | MDDA (n = 24) | Healthy controls (n = 91) | ||||
|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | |
| Age (years) | 44.2 | 12.3 | 35.5 | 14.2 | 35.8 | 12.0 |
| Education (years) | 15.8 | 3.2 | 13.5 | 2.3 | 16.4 | 2.5 |
| BDI | 21.4 | 11.1 | 25.4 | 7.4 | 2.1 | 2.7 |
| BAI | 11.6 | 8.2 | 18.7 | 6.7 | 2.1 | 2.5 |
| Symptom-GAF | 60.2 | 12.1 | 53.8 | 8.5 | 95.6 | 7.3 |
| Function-GAF | 63.6 | 13.8 | 55.2 | 10.1 | 96.7 | 5.6 |
| General cognitive functioning | 11.1 | 2.1 | 9.3 | 2.6 | 12.1 | 2.4 |
| Age of onset first MDD episode | 33.5 | 14.4 | 30.1 | 16.1 | ||
| n | % | n | % | n | % | |
| GENDER | ||||||
| Male | 14 | 37.8 | 11 | 45.8 | 28 | 30.7 |
| Female | 23 | 62.2 | 13 | 54.2 | 63 | 69.3 |
| HANDEDNESS | ||||||
| Right | 35 | 94.6 | 24 | 100 | 8 | 42.1 |
| Left | 1 | 2.7 | 0 | 0 | 11 | 57.9 |
| Ambidextrous | 1 | 2.7 | 0 | 0 | 0 | 0 |
MDD, current major depressive disorder; BDI, Beck depression inventory; BAI, Beck anxiety inventory; GAF, global assessment of functioning axis-V in Diagnostic and statistical manual of mental disorders – Fourth Edition (DSM-IV).