Table 1.
Controls (N=495) | IBS (N=422) | p-value | |
---|---|---|---|
Female: n (%) | 331 (66.9%) | 331 (78.4%) | <0.001 |
Age: median (IQR) | 36.5 (31) | 44 (23) | <0.001 |
Race/Ethnicity: n (%) | <0.001 | ||
Caucasian | 247 (49.9%) | 303 (71.8%) | |
Hispanic | 59 (11.9%) | 25 (5.9%) | |
Asian | 77 (15.6%) | 19 (4.5%) | |
African American | 83 (16.8%) | 43 (10.2%) | |
Other/Multiracial | 17 (3.4%) | 13 (3.1%) | |
Anxiety Z Score: mean (SEM) | −0.99 (0.94) | 0 (0.05) | <0.001 |
Depression Z Score: mean (SEM) | −0.85 (0.57) | 0.99 (0.05) | p<0.001 |
Bowel Habit Subtype: n (%) | p<0.001 | ||
IBS-C | 75 (17.8%) | ||
IBS-D | 91 (21.6%) | ||
IBS-M | 238 (56.4%) | ||
IBS-U | 12 (2.8%) |