Table 1. Demographic Characteristics.
| Total IBS1 (n=247) | IBS-C (n=69) | IBS-D (n=65) | IBS-M (n=109) | p-value | |
|---|---|---|---|---|---|
| Age, mean (S.D.) | 35.8 (12.6) | 37.2 (12.8) | 34.8 (12.1) | 35.8 (12.7) | 0.589 |
| Gender, female, N (%) | 188 (76.1%) | 54 (78.3%) | 45 (69.2%) | 88 (80.7%) | 0.209 |
| Education, N (%) | 0.201 | ||||
| 8th grade or less | 0 | 0 | 0 | 0 | |
| Some high school | 1 (0.4%) | 0 | 1 (1.5%) | 0 | |
| High school graduate | 16 (6.5%) | 9 (13.0%) | 3 (4.6%) | 4 (3.7%) | |
| Some college | 70 (28.3%) | 22 (31.9%) | 18 (27.7%) | 29 (26.6%) | |
| College graduate, N (%) | 93 (37.7%) | 23 (33.3%) | 26 (40.0%) | 43 (39.4%) | |
| Post-graduate work | 66 (26.7%) | 15 (21.7%) | 17 (26.2%) | 33 (30.3%) | |
| Healthcare Utilization | |||||
| >3 visits/yr, N (%) | 37 (15.0%) | 10 (14.5%) | 11 (16.9%) | 16 (14.7%) | 0.898 |
| Race2, N (%) | 0.036 | ||||
| Hispanic | 38 (15.4%) | 9 (13.0%) | 12 (18.5%) | 17 (15.6%) | |
| Asian | 23 (9.3%) | 2 (2.9%) | 12 (18.5%) | 9 (8.3%) | |
| Black | 25 (10.1%) | 11 (15.9%) | 5 (7.7%) | 9 (8.3%) | |
| White | 137 (55.5%) | 40 (58.0%) | 28 (43.1%) | 66 (60.6%) | |
| Other/Multiracial | 20 (8.1%) | 6 (8.7%) | 7 (10.8%) | 6 (5.5%) | |
| Decline to State | 4 (1.6%) | 1 (1.5%) | 1 (1.5%) | 2 (1.8%) |
1
IBS-U was not included due to small sample size (n=4).
2
Statistically significant racial/ethnic differences detected across subtypes (p=0.036)