Multivariate analysis of psychological parameters influencing depression
| Psychological parameters | Adjusted* OR (95% CI) | P value | Adjusted† OR (95% CI) | P value |
| BIPQ total | 13.28 (2.86 to 61.68) | 0.001 | 15.8 (2.91 to 86.05) | 0.001 |
| Consequences | 6.95 (2.1 to 23.06) | 0.002 | 11.41 (2.2 to 59.25) | 0.004 |
| Personal control | 6.92 (1.93 to 24.84) | 0.003 | 9.96 (2.07 to 47.97) | 0.004 |
| Treatment control | 2.54 (0.86 to 7.56) | 0.093 | 3.73 (0.98 to 14.19) | 0.054 |
| Identity | 3.48 (1.32 to 9.17) | 0.012 | 4.06 (1.28 to 12.84) | 0.017 |
| Concerns | 6.28 (2.03 to 19.50) | 0.001 | 9.71 (2.42 to 39.02) | 0.001 |
| Understanding | 0.74 (0.29 to 1.90) | 0.535 | 1.03 (0.34 to 3.15) | 0.953 |
| Emotional response | 19.38 (4.3 to 87.41) | <0.001 | NA | |
| Sense of coherence | 2.84 (0.93 to 8.64) | 0.066 | 6.12 (1.41 to 25.79) | 0.014 |
| Total IBD-SE | 5.13 (1.34 to 19.22) | 0.015 | 10.99 (1.28 to 94.09) | 0.029 |
*Age, gender, type of disease and severity of disease.
†Age, gender, type of disease and other variables that were associated with the outcome using backward method (see Statistical methods).
BIPQ, Brief Illness Perception Questionnaire; IBD-SE, IBD-Self Efficacy scale.