Table 1. Demographic and clinical characteristics.
| High-lethality suicide attempters (n=17) HSA | Low-lethality suicide attempters (n=14) LSA | Ideators (n=16) SI |
Depressed controls (n=38) D |
Healthy controls (n=17) HC |
F or χ2 | p | Post-hoc Tukey HSD | |
|---|---|---|---|---|---|---|---|---|
| Females, n (%) | 4 (23.5) | 6 (42.9) | 9 (56.3) | 23 (60.5) | 11 (64.7) | 8.3 | .08 | |
| White, n (%) | 17 (100) | 12 (85.7) | 15 (93.8) | 33 (86.8) | 12 (70.6) | 7.4 | .11 | |
| Age, mean±SD | 69.3±6.5 | 64.4±3.5 | 67.4±7.4 | 67.8±6.1 | 71.4±10.2 | 2.1 | .08 | |
| Education (years), mean±SD | 13.0±3.5 | 14.3±2.7 | 14.8±3.1 | 14.6±2.4 | 15.1±1.8 | 1.5 | .19 | |
| MMSE, mean±SD | 27.5±1.8 | 28.5±1.7 | 28.7±1.2 | 28.6±1.9 | 28.9±1.8 | 1.2 | .19 | |
| HAMD-17, mean±SD | 11.2±7.9 | 17.3±6.7 | 16.4±6.6 | 15.7±5.5 | 2.3±2.2 | 18.7 | <.001 | HSA, LSA, SI, D > HC |
| Suicide Ideation Scale, mean±SD | 17.2±12.0 | 18.4±12.7 | 11.4±8.5 | - | - | 26.7 | <.001 | HSA, LSA, SI > D |
| Suicide Intent Scale, mean±SD | 16.4±4.8 | 18.1±6.3 | - | - | - | 0.67 | .42 | |
| Medical Illness Burden (CIRSG), mean±SD | 9.8±4.4 | 8.9±3.3 | 9.6±5.7 | 10.8±3.3 | - | 0.83 | .48 | |
| Lifetime substance use disorders, n (%) | 5 (31.3) | 3 (25) | 1 (7.1) | 3 (8.8) | - | 10.9 | .08 |
HAMD-17 items: Hamilton Depression Inventory 17-items; CIRSG: Cumulative Illness Rating Scale-Geriatrics; MMSE: Mini-Mental State Examination.
HSA: High-Lethality Suicide Attempters, LSA: Low-Lethality Suicide Attempters, SI: Suicide Ideators, D: Depressed controls, HC: Healthy Controls.