Table 2.
Sample demographics by depression group.
| N | No Depression | LOD | P value* |
| 132 | 36 | ||
|
| |||
| Age at CT scan (SD) | 81.1 (6.1) | 81.0 (7.0) | n.s. |
| Age at dementia onset (SD) | 75.9 (6.9) | 76.9 (6.7) | n.s. |
| Dementia duration, years (SD) | 5.2 (4.2) | 4.2 (3.5) | n.s. |
| % Female | 63.6 | 63.9 | n.s. |
| Education, years (SD) | 7.5 (2.4) | 7.4 (2.8) | n.s. |
| Monozygotic, n (%) | 33 (25.0) | 15 (41.7) | 0.05 |
| Hypertension, n (%) | 113 (85.6) | 30 (83.3) | n.s. |
| Diabetes, n (%) | 32 (24.2) | 6 (16.7) | n.s. |
| Arrhythmia, n (%) | 25 (18.9) | 8 (22.2) | n.s. |
| PAD, n (%) | 3 (2.3) | 1 (2.8) | n.s. |
| CAD, n (%) | 41 (31.1) | 16 (44.4) | 0.13 |
| TIA, n (%) | 14 (10.7) | 0 (0.0) | 0.04 |
Associations significant at P < 0.15 are bolded.
LOD: late-onset depression; PAD: peripheral artery disease; CAD: coronary artery disease; TIA: transient ischemic attack.
*Group comparisons by ANOVA for continuous variables and by chi-square for categorical variables.