Prior depression or anxiety in people with inflammatory bowel disease: observed numbers of people with inflammatory bowel disease and prior depression or anxiety, expected numbers, the ratio of observed to expected, and 95% confidence intervals
| First condition | Second condition | Interval between first and second conditions | Observed | Expected | O/E (95% CI) |
| Depression | Ulcerative colitis | all time intervals | 92 | 65.8 | 1.40 (1.13, 1.72) |
| <1 year | 16 | 7.5 | 2.14 (1.22, 3.49) | ||
| 1–4 years | 21 | 20.8 | 1.01 (0.62, 1.55) | ||
| 5+ years | 55 | 37 | 1.49 (1.12, 1.93) | ||
| Anxiety | Ulcerative colitis | all time intervals | 35 | 23.5 | 1.49 (1.04, 2.07) |
| <1 year | 7 | 2.3 | 3.04 (1.20, 6.29) | ||
| 1–4 years | 9 | 7 | 1.29 (0.58, 2.45) | ||
| 5+ years | 19 | 14.2 | 1.34 (0.81, 2.09) | ||
| Depression | Crohn's disease | all time intervals | 50 | 43.9 | 1.14 (0.85, 1.5) |
| <1 year | 9 | 5.4 | 1.66 (0.75, 3.16) | ||
| 1–4 years | 14 | 14.9 | 0.94 (0.51, 1.58) | ||
| 5+ years | 27 | 23.5 | 1.15 (0.76, 1.67) | ||
| Anxiety | Crohn's disease | all time intervals | 20 | 15.5 | 1.29 (0.79, 2.0) |
| <1 year | 2 | 2.1 | 0.96 (0.09, 3.54) | ||
| 1–4 years | 6 | 4.8 | 1.25 (0.45, 2.74) | ||
| 5+ years | 12 | 8.6 | 1.40 (0.72, 2.45) |