Demographic and clinical characteristics of the sample
| Characteristic | Group; mean ± SD (range) or no. | |
|---|---|---|
| OCD (n = 75) | Control (n = 75) | |
| Age, yr | 30.99 ± 9.55 (19–63) | 30.17 ± 8.99 (18–57) |
| Sex, male:female | 27:48 | 30:45 |
| Age at onset, yr | 16.90 ± 6.64 | — |
| Medication, yes:no | 43:32 | — |
| Medication type | ||
| SSRI | 24 | — |
| SNRI | 5 | — |
| TrA | 2 | — |
| ≥ 1 medication | 12 | — |
| Comorbidities, yes:no | 24:51 | — |
| Comorbidity type | ||
| Depression | 13 | — |
| Anxiety disorder | 3 | — |
| Personality disorder | 1 | — |
| Impulse control disorder NOS | 1 | — |
| ≥ 1 comorbid disorder | 6 | — |
| Y-BOCS score | ||
| Total score | 20.77 ± 6.08 (9–38) | — |
| Obsessions | 10.45 ± 3.47 (1–19) | — |
| Compulsions | 10.29 ± 3.96 (0–19) | — |
NOS = not otherwise specified; OCD = obsessive–compulsive disorder; SD = standard deviation; SNRI = serotonin–norepinephrine reuptake inhibitor; SSRI = selective serotonin reuptake inhibitor; TrA = tricyclic antidepressant; Y-BOCS = Yale–Brown Obsessive Compulsive Scale.