Table 1 Comparison of groups with provisional PTSD (PTSD +) and without provisional PTSD (PTSD-) on demographic characteristics and descriptive statistics
|  | PTSD −  | PTSD +  | X2 | p |
|---|---|---|---|---|
n = 348 | n = 261 | |||
n (%) | n (%) | |||
Race/ethnicity | Â | Â | 7.37 | .194 |
 American Indian or Alaskan Native | 5 (1.4) | 1 (0.4) |  |  |
 Asian | 10 (2.9) | 8 (3.1) |  |  |
 Black or African American | 4 (1.1) | 8 (3.1) |  |  |
 Native Hawaiian or other Pacific Islander | 1 (0.3) | 1 (0.4) |  |  |
 White | 300 (86.2) | 212 (81.2) |  |  |
 Missing | 28 (8.0) | 31 (11.9) |  |  |
ED diagnosis |  |  | 21.65 |  ≤ .001 |
 Anorexia nervosa-binge/purge | 59 (17.0) | 66 (25.3) |  |  |
 Anorexia nervosa-restricting | 158 (45.4) | 71 (27.2) |  |  |
 Bulimia nervosa | 66 (19.0) | 62 (23.8) |  |  |
 OSFED and other | 65 (18.7) | 62 (23.8) |  |  |
Comorbid diagnoses | Â | Â | Â | Â |
 Major depressive disorder | 218 (68.1) | 189 (73.3) | 1.80 | .179 |
 PDD (dysthymia) | 1 (0.3) | 2 (0.8) | 0.59 | .440 |
 Bipolar disorder | 15 (4.7) | 28 (10.9) | 7.95 | .005 |
 GAD | 211 (67.6) | 143 (57.0) | 6.76 | .006 |
 Obsessive–compulsive | 20 (6.4) | 27 (10.8) | 3.44 | .045 |
 Substance use disorder | 41 (13.1) | 44 (17.5) | 2.09 | .092 |
| Â | M (SD) | M (SD) | t | p |
|---|---|---|---|---|
Age | 25.70 (8.71) | 26.63 (9.27) |  − 1.26 | .208 |
Body Mass Index (BMI) | 20.20 (7.57) | 22.47 (10.80) |  − 3.02 | .003 |