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| Full Cohort (N = 69) | GWI (N = 36) | Control (N = 33) | p-value | |
|---|---|---|---|---|
| Age (years) | 56 | 59 | 54 | 0.006* |
| Gender | ||||
| Male | 63 (91%) | 33 (92%) | 30 (91%) | |
| Female | 6 (9%) | 3 (8%) | 3 (9%) | 0.91 |
| Branch | ||||
| Army | 46 (67%) | 26 (72%) | 20 (67%) | |
| Navy | 5 (7%) | 1 (3%) | 4 (13%) | |
| Marines | 12 (17%) | 7 (19%) | 5 (17%) | |
| Air Force | 5 (7%) | 2 (6%) | 3 (10%) | |
| Coast Guard | 1 (1%) | 0 (0%) | 1 (3%) | 0.41 |
| Race* | ||||
| White | 59 (86%) | 31 (86%) | 28 (85%) | |
| Other | 8 (12%) | 4 (11%) | 4 (12%) | |
| Preferred not to answer | 2 (3%) | 1 (3%) | 1 (3%) | 0.99 |
