Table 1.
Demographic and cognitive differences between depressed participants and controls.
| Variable | Depressed Mean(SD) N=238 |
Control Mean(SD N=146 |
F or χ2 | p-value |
|---|---|---|---|---|
| Age | 70.03(7.5) | 70.43(6.26) | .281 | p =.59 |
| Gender % female | 67.7% | 70.7% | .389 | p = .31 |
| %White | 89.1% | 85.7% | 0.99 | p = .20 |
| MMSE score (baseline) | 28.31(1.7) | 28.92(1.3) | 14.17 | p < .01 |
| Years of education | 14.2(2.03) | 15.41(1.76) | 35.72 | p < .01 |
| Left hippocampal volume (baseline) | 2.93mL (.41) | 2.95mL (.42) | 0.131 | p =0.72 |
| Right hippocampal volume (baseline) | 3.07mL (.42) | 3.11mL (.43) | 0.505 | p =.48 |
| Cerebrum volume (baseline) | 1149.91 mL (130) | 1141.19 mL (122.22) | 0.42 | p =.52 |
Significant differences are bolded.