Table 1:
baseline demographics of the sample
| Analysis sample (n=2554) |
|||
|---|---|---|---|
| Overall | No suicidal ideation at baseline | Any suicidal ideation at baseline | |
| N | 2554 | 623 | 1931 |
| Age (mean (SD)), years | 46.7 (16.7) | 51.4 (16.7) | 45.1 (16.3) |
| Sex | |||
| Male | 1065 (41.7) | 264 (42.4) | 801 (41.5) |
| Female | 1489 (58.3) | 359 (57.6) | 1130 (58.5) |
| Race | |||
| American Indian or Alaskan Native | 27 (1.1) | 5 (0.8) | 22 (1.1) |
| Asian | 63 (2.5) | 15 (2.4) | 48 (2.5) |
| African American or Black | 42 (1.6) | 8 (1.3) | 34 (1.8) |
| White | 2313 (90.6) | 570 (91.5) | 1743 (90.3) |
| Other | 12 (0.5) | 5 (0.8) | 7 (0.4) |
| Unknown | 97 (3.8) | 20 (3.2) | 77 (3.9) |
| Subjective Physical Health | |||
| Very poor | 39 (1.5) | 6 (0.9) | 33 (1.7) |
| Poor | 331 (12.9) | 70 (11.2) | 261 (13.5) |
| Good | 1427 (55.9) | 326 (52.3) | 1101 (57.0) |
| Very good | 584 (22.9) | 163 (26.2) | 421 (21.8) |
| Excellent | 155 (6.1) | 54 (8.7) | 101 (5.3) |
| Unknown | 18 (0.7) | 4 (0.6) | 14 (0.7) |
| Clinical Diagnosis | |||
| Major depressive disorder | 1869 (73.2) | 422 (67.7) | 1447 (74.9) |
| Bipolar affective disorder | 548 (21.5) | 149 (23.9) | 399 (20.7) |
| Other | 56 (2.2) | 18 (2.9) | 38 (1.9) |
| Unknown | 81 (3.2) | 34 (5.5) | 47 (2.4) |
| Baseline QIDS (mean (SD)) | 17.04 (4.9) | 12.8 (4.9) | 18.4 (4.1) |
| Baseline QIDS SI | |||
| 0 | 623 (24.4) | 623 (100) | 0 (0.0) |
| 1 | 836 (32.7) | 0 (0.0) | 836 (43.3) |
| 2 | 618 (24.2) | 0 (0.0) | 618 (32.0) |
| 3 | 477 (18.7) | 0 (0.0) | 477 (24.7) |
| Baseline MoCA (mean (SD)) | 27.2 (10.4) | 27.2 (12.5) | 27.2 (9.6) |
| ECT pulse width | |||
| 0.3 or 0.37 | 2293 (89.8) | 525 (84.3) | 1768 (91.6) |
| 0.5 | 65 (2.6) | 21 (3.4) | 44 (2.3) |
| 1.0 | 196 (7.7) | 77 (12.4) | 119 (6.2) |
| ECT electrode placement | |||
| Unilateral | 2442 (95.6) | 579 (92.9) | 1863 (96.5) |
| Bilateral | 112 (4.4) | 44 (7.1) | 68 (3.5) |