Table 3 Somatic – psychiatric comorbidity among irritable bowel syndrome (IBS) cases and controls
|  | IBS case–control population (N = 6374) | ||
|---|---|---|---|
Cases N (%) | Controls N (%) | OR (95% CI) | |
(N = 336) | (N = 6038) | ||
Female | 258 (76.8) | 3423 (56.7) | 2.5 (1.9, 3.3) |
Sleep disorder | 87 (25.9) | 420 (7) | 4.7 (3.6, 6.1) |
Frequent headache | 87 (25.9) | 626 (10.4) | 3.0 (2.3, 3.9) |
Long-lasting muscles pain | 48 (14.3) | 219 (3.6) | 4.4 (3.2, 6.2) |
Dyspepsia | 69 (20.5) | 175 (2.9) | 8.7 (6.4, 11.7) |
Depression | 102 (30.4) | 569 (9.4) | 2.8 (2.2, 3.7) |
Anxiety | 95 (28.3) | 333 (5.5) | 3.1 (2.3, 4.3) |