Table 3. Descriptive Demographic Data.
| Groups | Description | ||||
| Female | Male | ||||
| Ethnicity | |||||
| White | HC | 67 | 9 | ||
| IBS | 44 | 15 | |||
| Asian | HC | 47 | 9 | ||
| IBS | 13 | 3 | |||
| Hawaiian | HC | 3 | 0 | ||
| IBS | 0 | 1 | |||
| Black | HC | 28 | 2 | ||
| IBS | 10 | 1 | |||
| American Indian | HC | 10 | 0 | ||
| IBS | 3 | 1 | |||
| TOTAL | HC | 155 | 20 | ||
| IBS | 70 | 21 | |||
| TOTAL | 225 | 41 | |||
| Education | |||||
| 8th Grade or Less | HC | 0 | 0 | ||
| IBS | 0 | 0 | |||
| Some High School | HC | 0 | 0 | ||
| IBS | 0 | 0 | |||
| High School Graduate | HC | 4 | 1 | ||
| IBS | 2 | 1 | |||
| Some College | HC | 56 | 7 | ||
| IBS | 18 | 7 | |||
| College Graduate | HC | 47 | 9 | ||
| IBS | 26 | 8 | |||
| Any Postgraduate Work | HC | 25 | 3 | ||
| IBS | 24 | 5 | |||
| Missing Data | 23 | 0 | |||
Groups: Healthy Control (HC), Irritable bowel syndrome (IBS).