Table 1.
Characteristic | Depressed Patients (N = 19) Mean ± SD | Healthy Controls (N = 19) Mean ± SD | Test of difference |
---|---|---|---|
Gender (Male : Female) | 12 : 7 | 11 : 8 | χ2 (1) = .11, p > .70 |
Age (yr) | 41.8 ± 14 | 37.4 ± 10.5 | t (36) = 1.1, p > .28 |
MADRS | 30.5 ± 7.0 | ||
Duration of current episode (mo) | 81.7 ± 124.8 | ||
Age of illness onset (yr) | 19.9 ± 10.3 | ||
Lifetime duration of illness (yr) | 21.9 ± 13.0 | ||
WAIS (Global IQ) | 117 ± 16 |
Note: MADRS = Montgomery-Asberg Depression Rating Scale; WAIS = Weschler Adult Intelligence Scale; mean Global IQ is calculated from 15 patients that completed the instrument.