| Cases | Controls | p value | Overall |
---|---|---|---|---|
Number | ||||
 MRS | 63 | 63 | – | 126 |
 Army STARRS | 31 | 47 | – | 78 |
 PRISMO | 29 | 33 | – | 62 |
Age, mean (SD) | ||||
 MRS | 22.15 (2.3) | 22.36 (3.7) | .71 | 22.26 (3) |
 Army STARRS | 23.5 (4.0) | 24.6 (4.8) | .26 | 24.2 (4.4) |
 PRISMO | 27.1 (9.9) | 27.1 (8.7) | 1.0 | 27.1 (9.0) |
PTSD pre-deployment, mean (SD) | ||||
 MRS, CAPS | 10.8 (7.5) | 6.8 (6.5) | .002 | 8.8 (7) |
 Army STARRS, PCL-6 | 7.4 (2.6) | 6.8 (2.0) | .40 | 7.0 (2.2) |
 PRISMO, SRIP | 28.2 (4.0) | 26.4 (4.0) | .10 | 27.2 (3.9) |
PTSD post-deployment, mean (SD) | ||||
 MRS, CAPS | 58.17 (13.5) | 13.36 (6.1) | < .001 | 35.76 (9.8) |
 Army STARRS, PDL-C | 52.7 (7.8) | 25.8 (8.6) | < .001 | 36.5 (8.1) |
 PRISMO, SRIP | 46.1 (8.7) | 27.4 (5.1) | < .001 | 36.1 (6.5) |
Combat exposure, mean (SD) | ||||
 MRS, DDRI | 1.08 (0.8) | 0.66 (0.4) | < .001 | 0.87 (0.6) |
 Army STARRS, PCL | 9.4 (1.3) | 7.9 (2.0) | < .001 | 8.5 (1.7) |
 PRISMO, DEC | 8.5 (3.0) | 7.2 (2.3) | .07 | 7.8 (2.5) |
Ancestry, N (%) | ||||
 MRS | ||||
  European | 34 (53) | 37 (59) | – | 71 (56) |
  African | 5 (8) | 5 (8) | – | 10 (8) |
  Other | 24 (39) | 21 (33) | – | 45 (36) |
 Army STARRS | ||||
  European | 31 (100) | 47 (100) | – | 78 (100) |
 PRISMO | ||||
  European | 29 (100) | 33 (100) | – | 62 (100) |