Demographics of GW veterans with GI symptoms
| Male | Female | |
| Age (y) | 47.1±2.8 | 45.2±3.4 |
| Sex, n (%) | 28 (80) | 7 (20) |
| Ethnic group, n (%) | ||
| White | 18 (64) | 4 (75) |
| Black | 8 (29) | 3 (25) |
| Hispanic | 2 (7) | 0 |
| Asian | 0 | 0 |
| Other | 0 | 0 |
Plus-minus values are means±SD.
GI, gastrointestinal; GW, Gulf War .