Table 1.
Demographic and clinical characteristics of patients with obsessive-compulsive disorder and healthy comparison subjects (mean±SD)
| Characteristics | OCD | HC | Statistics |
|
|---|---|---|---|---|
| N=30 | N=30 | t | p | |
| Age, years | 25.0±5.2 | 22.8±2.1 | 2.2 | 0.037 |
| Male/female | 27/3 | 29/1 | -0.3 | 0.612* |
| Level of education, years | 14.5±1.7 | 14.6±1.2 | 0.792 | |
| Age at onset of OCD, years | 18.9±3.4 | - | - | - |
| Duration of illness, years | 5.8±4.2 | - | - | - |
| Symptom measures | ||||
| OCI, total | 35.1±14.1 | 11.5±5.5 | 8.5 | <0.001 |
| DOCS | ||||
| Germs and contamination | 6.5±4.9 | 2.9±1.7 | 3.7 | <0.001 |
| Responsibility for harm | 7.5±5.0 | 2.6±2.6 | 4.8 | <0.001 |
| Unacceptable thoughts | 9.5±5.3 | 3.1±3.0 | 5.8 | <0.001 |
| Symmetry, completeness | 5.7±5.7 | 2.1±2.5 | 3.3 | 0.002 |
| Total | 29.4±13.0 | 10.8±8.0 | 6.7 | <0.001 |
| BDI score | 19.4±13.4 | 5.0±4.5 | 5.6 | <0.001 |
| Dysfunctional beliefs measures | ||||
| OBQ | ||||
| Responsibility | 65.6±23.6 | 55.6±12.6 | 2.1 | 0.011 |
| Importance of thoughts | 50.7±19.3 | 33.6±10.8 | 4.2 | <0.001 |
| GI | ||||
| Trait | 67.5±12.4 | 56.1±8.7 | 4.1 | <0.001 |
| State | 33.5±7.8 | 25.1±5.9 | 4.8 | <0.001 |
| Moral | 43.6±7.2 | 39.3±5.7 | 2.5 | 0.014 |
*
fisher’s exact test.
OCD: obsessive-compulsive disorder, HC: healthy controls, OCI: Obsessive-Compulsive Inventory, DOCS: Dimensional Obsessive Compulsive Scale, BDI: Beck Depression Inventory, OBQ: Obsessive Beliefs Questionnaire, GI: Guilt Inventory