Table 1.
Baseline Characteristics of the Cohort
| Characteristic | n (%) |
|---|---|
| N | 424 |
| Age (mean ± SD), years | 23.4 ± 3.9 |
| Age distribution, years | |
| 16–17 | 23 (5.4) |
| 18–25 | 263 (62.0) |
| 26–30 | 138 (32.5) |
| Sex | |
| Female | 236 (55.7) |
| Male | 188 (44.3) |
| Race | |
| White | 368 (86.8) |
| Native American | 3 (0.7) |
| Asian | 28 (6.6) |
| Black | 12 (2.8) |
| Pacific Islander | 0 (0.0) |
| Other | 7 (1.7) |
| Unknown | 6 (1.4) |
| Ethnicity | |
| Latino/Latina | 18 (4.2) |
| Not Latino/Latina | 220 (51.9) |
| Unknown | 186 (43.9) |
| Employment in past 30 days | |
| Full time | 42 (9.9) |
| Part-time | 45 (10.6) |
| None | 269 (63.4) |
| Unknown | 68 (16.0) |
| Student (yes) | 203 (47.9) |
| On disability (yes) | 77 (18.2) |
| Education | |
| 8th Grade or less | 1 (0.2) |
| Some high school | 36 (8.5) |
| High school graduate or equivalent | 59 (13.9) |
| Some college | 202 (47.6) |
| 4 Year college graduate | 83 (19.6) |
| Postcollege education | 43 (10.1) |
| Number missing | 0 (0.0) |
| Subjective physical health | |
| Very poor | 4 (0.9) |
| Poor | 55 (13.0) |
| Good | 226 (53.3) |
| Very good | 106 (25.0) |
| Excellent | 33 (7.8) |
| Number missing | 0 (0.0) |
| Location where initially receiving ECT | |
| Inpatient | 271 (63.9) |
| Outpatient | 146 (34.4) |
| Number missing | 7 (1.7) |
| Clinical diagnosis | |
| MDD | 294 (69.3) |
| BPAD | 87 (20.5) |
| Other | 43 (10.1) |
| ECT electrode placement | |
| Unilateral | 411 (96.9) |
| Bilateral | 13 (3.1) |
| ECT pulse width | |
| Ultrabrief pulse (<0.5 ms) | 405 (95.5) |
| Brief pulse (0.5–1 ms) | 19 (4.5) |
| Baseline QIDS (mean ± SD) | 17.0 ± 4.9 |
| Baseline BASIS-24 (mean ± SD) | 2.00 ± 0.57 |
| Baseline MoCA (mean ± SD) | 26.7 ± 2.6 |
BASIS-24, Behavior and Symptom Identification Scale-24; BPAD, bipolar affective disorder; ECT, electroconvulsive therapy; MDD, major depressive disorder; MoCA, Montreal Cognitive Assessment; QIDS, Quick Inventory of Depressive Symptomatology; SD, standard deviation.