Table 3. Group Characteristics by Depression Symptom Severity per the BDI-II manual.
| Minimal (BDI-II ≤ 13), N=384 |
Mild (BDI-II 14-18), N=38 |
Moderate (BDI-II 19-28), N=33 |
Severe (BDI-II >28), N=16 |
|||||
|---|---|---|---|---|---|---|---|---|
| Median (IQR) | N (%) | Median (IQR) | N (%) | Median (IQR) | N (%) | Median (IQR) | N (%) | |
| Age | 32 (21-49) | 383 | 35.5 (26-46) | 38 | 32(20-42) | 33 | 37 (25.5-60) | 16 |
| Male gender | 276 (72) | 27 (71) | 23 (70) | 9 (56) | ||||
| Race/Ethnicity | 382 | 38 | 33 | 16 | ||||
| Caucasian | 278 (72) | 31 (82) | 19 (58) | 10 (63) | ||||
| Hispanic | 61 (16) | 6 (16) | 10 (30) | 4 (25) | ||||
| African American | 30 (8) | 0 | 2 (6) | 2 (13) | ||||
| Asian | 10 (3) | 1 (3) | 2 (6) | 0 | ||||
| Native American | 2 (0.5) | 0 | 0 | 0 | ||||
| Education | 12(11-15) | 278 | 11.5(11-14) | 22 | 12(12-12) | 18 | 12(12-15) | 9 |
| Injury Mechanism | 377 | 37 | 31 | 16 | ||||
| Motor vehicle | 218 (57) | 24(63) | 17 (52) | 8 (50) | ||||
| Violence | 30 (8) | 1(3) | 3 (9) | 0 | ||||
| Sports | 13 (3) | 0 | 0 | 0 | ||||
| Other | 116 (30) | 12 (32) | 11 (33) | 8 (50) | ||||
| Glasgow Coma Scale | 12 (3-15) | 365 | 5.5 (3-14) | 38 | 11.5 (3.5-15) | 32 | 14 (6.5-15) | 16 |
| Hospital Stay Duration (d) | 12 (5-22) | 348 | 17 (8-26) | 34 | 11 (4-22) | 30 | 10 (7-23) | 16 |
| Time to Follow up (m) | 6 (6-8) | 379 | 6 (6-8) | 38 | 7 (6-9) | 32 | 6 (6-8) | 15 |
| BDI-II | 2 (0-6) | 384 | 16 (14-17) | 38 | 22 (20-24) | 33 | 37.5 (31-40.5) | 16 |
| GOS-E* | 7 (5-8) | 381 | 5 (3-6) | 37 | 5 (4-6) | 32 | 5 (3-6) | 16 |
| FSE* | 14 (10-20) | 363 | 26 (21-31) | 34 | 25 (17-30) | 31 | 29 (25-34) | 14 |
d = days
m = months
BDI-II = Beck Depression Inventory-II
GOS-E = Glasgow Outcome Scale Extended
FSE = Functional Status Examination
*
= significant between group differences